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<netcdf xmlns="http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2" location="Not provided because of security concerns.">
  <attribute name="Conventions" value="CF-1.8, ACDD-1.3" />
  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="VOC (hydrocarbons) at Auchencorth Moss" />
  <attribute name="summary" value="VOC (hydrocarbons) at Auchencorth Moss. These measurements are gathered as a part of the following projects ACTRIS, EMEP, GAW-WDCRG and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: ['2-methylbutane in air (mass_concentration_of_2-methylbutane_in_air)', '2-methylbutane in air (mole_fraction_of_2_methylbutane_in_air)', '2-methylpropane in air (mass_concentration_of_2-methylpropane_in_air)', '2-methylpropane in air (mole_fraction_of_2_methylpropane_in_air)', 'benzene in air (mole_fraction_of_benzene_in_air)', 'ethane in air (mass_concentration_of_ethane_in_air)', 'ethane in air (mole_fraction_of_ethane_in_air)', 'ethene in air (mole_fraction_of_ethene_in_air)', 'ethylbenzene in air (mole_fraction_of_ethylbenzene_in_air)', 'ethyne in air (mole_fraction_of_ethyne_in_air)', 'isoprene in air (mass_concentration_of_isoprene_in_air)', 'isoprene in air (mole_fraction_of_isoprene_in_air)', 'm-p-xylene in air (mole_fraction_of_m-p-xylene_in_air)', 'm-p-xylene in air (mole_fraction_of_m_p_xylene_in_air)', 'n-butane in air (mass_concentration_of_n-butane_in_air)', 'n-butane in air (mole_fraction_of_butane_in_air)', 'n-pentane in air (mass_concentration_of_n-pentane_in_air)', 'n-pentane in air (mole_fraction_of_pentane_in_air)', 'o-xylene in air (mole_fraction_of_o-xylene_in_air)', 'o-xylene in air (mole_fraction_of_o_xylene_in_air)', 'propane in air (mass_concentration_of_propane_in_air)', 'propane in air (mole_fraction_of_propane_in_air)', 'propene in air (mole_fraction_of_propene_in_air)', 'toluene in air (mole_fraction_of_toluene_in_air)']" />
  <attribute name="keywords" value="&quot;Auchencorth Moss&quot; GB0048R 2-methylbutane 2-methylpropane benzene ethane ethene ethylbenzene ethyne isoprene m-p-xylene n-butane n-pentane o-xylene propane propene toluene air ACTRIS EMEP GAW-WDCRG mass_concentration_of_2-methylbutane_in_air mole_fraction_of_2_methylbutane_in_air mass_concentration_of_2-methylpropane_in_air mole_fraction_of_2_methylpropane_in_air mole_fraction_of_benzene_in_air mass_concentration_of_ethane_in_air mole_fraction_of_ethane_in_air mole_fraction_of_ethene_in_air mole_fraction_of_ethylbenzene_in_air mole_fraction_of_ethyne_in_air mass_concentration_of_isoprene_in_air mole_fraction_of_isoprene_in_air mole_fraction_of_m-p-xylene_in_air mole_fraction_of_m_p_xylene_in_air mass_concentration_of_n-butane_in_air mole_fraction_of_butane_in_air mass_concentration_of_n-pentane_in_air mole_fraction_of_pentane_in_air mole_fraction_of_o-xylene_in_air mole_fraction_of_o_xylene_in_air mass_concentration_of_propane_in_air mole_fraction_of_propane_in_air mole_fraction_of_propene_in_air mole_fraction_of_toluene_in_air" />
  <attribute name="id" value="8DGV-27XN.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="ACTRIS, EMEP, GAW-WDCRG" />
  <attribute name="acknowledgement" value="" />
  <attribute name="doi" value="https://doi.org/10.48597/8DGV-27XN" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Dernie, J., Carpenter, S., ACTRIS, EMEP, GAW-WDCRG, 2025, VOC (hydrocarbons) at Auchencorth Moss, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/8DGV-27XN" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="GB02L &quot;AEA Technology, National Environmental Techn. Centre&quot; &quot;Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom&quot;" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2026-04-07T16:29:48.629519Z" />
  <attribute name="date_metadata_modified" value="2025-03-26T00:00:00Z" />
  <attribute name="creator_name" value="James Dernie, Sion Carpenter" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="james.dernie@ricardo.com, sion.carpenter@ricardo.com" />
  <attribute name="creator_institution" value="&quot;Ricardo, Energy &amp; Environment, REE&quot;, &quot;Ricardo, Energy &amp; Environment, REE&quot;" />
  <attribute name="contributor_name" value="Trevor Davies" />
  <attribute name="contributor_role" value="data submitter" />
  <attribute name="publisher_type" value="institution" />
  <attribute name="publisher_name" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_institution" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_email" value="ebas@nilu.no" />
  <attribute name="publisher_url" value="https://www.nilu.no/" />
  <attribute name="geospatial_bounds" value="POINT Z (-3.2429 55.79216 260)" />
  <attribute name="geospatial_lat_min" type="double" value="55.79216" />
  <attribute name="geospatial_lat_max" type="double" value="55.79216" />
  <attribute name="geospatial_lon_min" type="double" value="-3.2429" />
  <attribute name="geospatial_lon_max" type="double" value="-3.2429" />
  <attribute name="geospatial_vertical_min" type="double" value="260.0" />
  <attribute name="geospatial_vertical_max" type="double" value="260.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="time_coverage_start" value="2024-01-01T00:00:00Z" />
  <attribute name="time_coverage_end" value="2024-12-31T23:40:00Z" />
  <attribute name="time_coverage_duration" value="P0000-11-30T23:40:00" />
  <attribute name="time_coverage_resolution" value="P0000-00-00T01:00:00" />
  <attribute name="timezone" value="UTC" />
  <attribute name="ebas_data_definition" value="EBAS_1.1" />
  <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="ebas_citation" value="Dernie, J., Carpenter, S., ACTRIS, EMEP, GAW-WDCRG, 2025, VOC (hydrocarbons) at Auchencorth Moss, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/8DGV-27XN" />
  <attribute name="ebas_set_type_code" value="TU" />
  <attribute name="ebas_timezone" value="UTC" />
  <attribute name="ebas_file_name" value="8DGV-27XN.nc" />
  <attribute name="ebas_represents_doi" value="https://doi.org/10.48597/8DGV-27XN" />
  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/8DGV-27XN" />
  <attribute name="ebas_file_creation" value="2026-05-22T04:04:42.113319Z" />
  <attribute name="ebas_export_state" value="2026-04-07T16:29:48.629519Z" />
  <attribute name="ebas_export_filter" value="exclude-900,exclude-invalid" />
  <attribute name="ebas_startdate" value="2024-01-01T00:00:00.000000Z" />
  <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
  <attribute name="ebas_version" value="2" />
  <attribute name="ebas_version_description" value="initial revision, manually inspected" />
  <attribute name="ebas_data_level" value="2" />
  <attribute name="ebas_period_code" value="1y" />
  <attribute name="ebas_resolution_code" value="1h" />
  <attribute name="ebas_sample_duration" value="40mn" />
  <attribute name="ebas_orig_time_res" value="40mn" />
  <attribute name="ebas_station_code" value="GB0048R" />
  <attribute name="ebas_platform_code" value="GB0048S" />
  <attribute name="ebas_station_name" value="Auchencorth Moss" />
  <attribute name="ebas_station_land_use" value="Agricultural" />
  <attribute name="ebas_station_setting" value="Rural" />
  <attribute name="ebas_station_latitude" type="double" value="55.79216" />
  <attribute name="ebas_station_longitude" type="double" value="-3.2429" />
  <attribute name="ebas_station_altitude" value="260.0 m" />
  <attribute name="ebas_measurement_altitude" value="260.0 m" />
  <attribute name="ebas_measurement_height" value="4.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_matrix" value="air" />
  <attribute name="ebas_laboratory_code" value="GB02L" />
  <attribute name="ebas_instrument_type" value="online_gc" />
  <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
  <attribute name="ebas_instrument_manufacturer" value="PerkinElmer+Varian+Varian" />
  <attribute name="ebas_instrument_model" value="ATD300+GC3800+Saturn MS2200" />
  <attribute name="ebas_instrument_serial_number" value="650N5021501" />
  <attribute name="ebas_method_ref" value="GB02L_HC_Data_Processing_WIs_8" />
  <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
  <attribute name="ebas_calibration_scale" value="NPL" />
  <attribute name="ebas_calibration_standard_id" value="Manufacturer NPL; Batch D386645" />
  <attribute name="ebas_secondary_standard_id" value="Manufacturer NPL; Batch D641887R" />
  <attribute name="ebas_inlet_type" value="Hat or hood" />
  <attribute name="ebas_inlet_description" value="Wide PVCU pipe, ~laminar flow, residence time &lt;1sec" />
  <attribute name="ebas_detection_limit_expl" value="Manufacturers quoted detection limit of 10pmol/mol" />
  <attribute name="ebas_measurement_uncertainty_expl" value="Follows ACTRIS_SOP" />
  <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
  <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
  <attribute name="ebas_organization" value="GB02L, &quot;AEA Technology, National Environmental Techn. Centre&quot;, , , &quot;Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom&quot;, , , , " />
  <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
  <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
  <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
  <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
  <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
  <attribute name="ebas_originator" value="&quot;Dernie, James, james.dernie@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;, &quot;Carpenter, Sion, sion.carpenter@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;" />
  <attribute name="ebas_submitter" value="&quot;Davies, Trevor, , , , , , , , , &quot;" />
  <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
  <attribute name="_NCProperties" value="version=2,netcdf=4.9.3,hdf5=1.14.6" />
  <attribute name="Metadata_Conventions" value="Unidata Dataset Discovery v1.0" />
  <attribute name="geospatial_lat_units" value="degrees_north" />
  <attribute name="geospatial_lon_units" value="degrees_east" />
  <attribute name="standard_name_vocabulary" value="CF-1.7, ACDD-1.3" />
  <attribute name="history" value="None" />
  <attribute name="creator_url" value="ebas.nilu.no" />
  <attribute name="_CoordSysBuilder" value="ucar.nc2.internal.dataset.conv.CF1Convention" />
  <dimension name="time" length="8784" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="1" />
  <dimension name="qc_2_methylbutane_ng_per_m3_amean_flags" length="1" />
  <dimension name="qc_2_methylbutane_pmol_per_mol_amean_flags" length="1" />
  <dimension name="qc_2_methylbutane_ng_per_m3_ExpUnc2s_flags" length="1" />
  <dimension name="qc_2_methylbutane_pmol_per_mol_ExpUnc2s_flags" length="1" />
  <dimension name="qc_2_methylbutane_ng_per_m3_precision_flags" length="1" />
  <dimension name="qc_2_methylbutane_pmol_per_mol_precision_flags" length="1" />
  <dimension name="qc_2_methylpropane_ng_per_m3_amean_flags" length="1" />
  <dimension name="qc_2_methylpropane_pmol_per_mol_amean_flags" length="1" />
  <dimension name="qc_2_methylpropane_ng_per_m3_ExpUnc2s_flags" length="1" />
  <dimension name="qc_2_methylpropane_pmol_per_mol_ExpUnc2s_flags" length="1" />
  <dimension name="qc_2_methylpropane_ng_per_m3_precision_flags" length="1" />
  <dimension name="qc_2_methylpropane_pmol_per_mol_precision_flags" length="1" />
  <dimension name="qc_benzene_ng_per_m3_amean_flags" length="1" />
  <dimension name="qc_benzene_pmol_per_mol_amean_flags" length="1" />
  <dimension name="qc_benzene_ng_per_m3_ExpUnc2s_flags" length="1" />
  <dimension name="qc_benzene_pmol_per_mol_ExpUnc2s_flags" length="1" />
  <dimension name="qc_benzene_ng_per_m3_precision_flags" length="1" />
  <dimension name="qc_benzene_pmol_per_mol_precision_flags" length="1" />
  <dimension name="qc_ethane_ng_per_m3_amean_flags" length="1" />
  <dimension name="qc_ethane_pmol_per_mol_amean_flags" length="1" />
  <dimension name="qc_ethane_ng_per_m3_ExpUnc2s_flags" length="1" />
  <dimension name="qc_ethane_pmol_per_mol_ExpUnc2s_flags" length="1" />
  <dimension name="qc_ethane_ng_per_m3_precision_flags" length="1" />
  <dimension name="qc_ethane_pmol_per_mol_precision_flags" length="1" />
  <dimension name="qc_ethene_amean_flags" length="1" />
  <dimension name="qc_ethene_ExpUnc2s_flags" length="1" />
  <dimension name="qc_ethene_precision_flags" length="1" />
  <dimension name="qc_ethylbenzene_ng_per_m3_amean_flags" length="1" />
  <dimension name="qc_ethylbenzene_pmol_per_mol_amean_flags" length="1" />
  <dimension name="qc_ethylbenzene_ng_per_m3_ExpUnc2s_flags" length="1" />
  <dimension name="qc_ethylbenzene_pmol_per_mol_ExpUnc2s_flags" length="1" />
  <dimension name="qc_ethylbenzene_ng_per_m3_precision_flags" length="1" />
  <dimension name="qc_ethylbenzene_pmol_per_mol_precision_flags" length="1" />
  <dimension name="qc_ethyne_amean_flags" length="1" />
  <dimension name="qc_ethyne_ExpUnc2s_flags" length="1" />
  <dimension name="qc_ethyne_precision_flags" length="1" />
  <dimension name="qc_isoprene_ng_per_m3_amean_flags" length="1" />
  <dimension name="qc_isoprene_pmol_per_mol_amean_flags" length="1" />
  <dimension name="qc_isoprene_ng_per_m3_ExpUnc2s_flags" length="1" />
  <dimension name="qc_isoprene_pmol_per_mol_ExpUnc2s_flags" length="1" />
  <dimension name="qc_isoprene_ng_per_m3_precision_flags" length="1" />
  <dimension name="qc_isoprene_pmol_per_mol_precision_flags" length="1" />
  <dimension name="qc_m_p_xylene_ng_per_m3_amean_flags" length="1" />
  <dimension name="qc_m_p_xylene_pmol_per_mol_amean_flags" length="1" />
  <dimension name="qc_m_p_xylene_ng_per_m3_ExpUnc2s_flags" length="1" />
  <dimension name="qc_m_p_xylene_pmol_per_mol_ExpUnc2s_flags" length="1" />
  <dimension name="qc_m_p_xylene_ng_per_m3_precision_flags" length="1" />
  <dimension name="qc_m_p_xylene_pmol_per_mol_precision_flags" length="1" />
  <dimension name="qc_n_butane_ng_per_m3_amean_flags" length="1" />
  <dimension name="qc_n_butane_pmol_per_mol_amean_flags" length="1" />
  <dimension name="qc_n_butane_ng_per_m3_ExpUnc2s_flags" length="1" />
  <dimension name="qc_n_butane_pmol_per_mol_ExpUnc2s_flags" length="1" />
  <dimension name="qc_n_butane_ng_per_m3_precision_flags" length="1" />
  <dimension name="qc_n_butane_pmol_per_mol_precision_flags" length="1" />
  <dimension name="qc_n_pentane_ng_per_m3_amean_flags" length="1" />
  <dimension name="qc_n_pentane_pmol_per_mol_amean_flags" length="1" />
  <dimension name="qc_n_pentane_ng_per_m3_ExpUnc2s_flags" length="1" />
  <dimension name="qc_n_pentane_pmol_per_mol_ExpUnc2s_flags" length="1" />
  <dimension name="qc_n_pentane_ng_per_m3_precision_flags" length="1" />
  <dimension name="qc_n_pentane_pmol_per_mol_precision_flags" length="1" />
  <dimension name="qc_o_xylene_ng_per_m3_amean_flags" length="1" />
  <dimension name="qc_o_xylene_pmol_per_mol_amean_flags" length="1" />
  <dimension name="qc_o_xylene_ng_per_m3_ExpUnc2s_flags" length="1" />
  <dimension name="qc_o_xylene_pmol_per_mol_ExpUnc2s_flags" length="1" />
  <dimension name="qc_o_xylene_ng_per_m3_precision_flags" length="1" />
  <dimension name="qc_o_xylene_pmol_per_mol_precision_flags" length="1" />
  <dimension name="qc_propane_ng_per_m3_amean_flags" length="1" />
  <dimension name="qc_propane_pmol_per_mol_amean_flags" length="1" />
  <dimension name="qc_propane_ng_per_m3_ExpUnc2s_flags" length="1" />
  <dimension name="qc_propane_pmol_per_mol_ExpUnc2s_flags" length="1" />
  <dimension name="qc_propane_ng_per_m3_precision_flags" length="1" />
  <dimension name="qc_propane_pmol_per_mol_precision_flags" length="1" />
  <dimension name="qc_propene_amean_flags" length="1" />
  <dimension name="qc_propene_ExpUnc2s_flags" length="1" />
  <dimension name="qc_propene_precision_flags" length="1" />
  <dimension name="qc_toluene_ng_per_m3_amean_flags" length="1" />
  <dimension name="qc_toluene_pmol_per_mol_amean_flags" length="1" />
  <dimension name="qc_toluene_ng_per_m3_ExpUnc2s_flags" length="1" />
  <dimension name="qc_toluene_pmol_per_mol_ExpUnc2s_flags" length="1" />
  <dimension name="qc_toluene_ng_per_m3_precision_flags" length="1" />
  <dimension name="qc_toluene_pmol_per_mol_precision_flags" length="1" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2024-01-01T00:20:00Z" />
    <attribute name="time_coverage_end" value="2024-12-31T23:19:59Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="3599.0" />
    <attribute name="time_coverage_duration" value="P0Y0M365DT22H59M59.999S" />
  </group>
  <group name="NCISOMetadata">
    <attribute name="metadata_creation" value="2026-06-05" />
    <attribute name="nciso_version" value="2.4.8" />
  </group>
  <variable name="time_bnds" shape="time tbnds" type="double">
    <attribute name="long_name" value="time bounds for measurement" />
  </variable>
  <variable name="metadata_time_bnds" shape="metadata_time tbnds" type="double">
    <attribute name="long_name" value="time bounds for ebas metadata intervals" />
  </variable>
  <variable name="v_2_methylbutane_ng_per_m3_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_2-methylbutane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="qc_2_methylbutane_ng_per_m3_amean meta_2_methylbutane_ng_per_m3_amean" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
    <attribute name="ebas_station_code" value="GB0048R" />
    <attribute name="ebas_platform_code" value="GB0048S" />
    <attribute name="ebas_station_name" value="Auchencorth Moss" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
    <attribute name="ebas_station_longitude" type="double" value="-3.2429" />
    <attribute name="ebas_station_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="2-methylbutane" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
    <attribute name="ebas_instrument_manufacturer" value="PerkinElmer+Varian+Varian" />
    <attribute name="ebas_instrument_model" value="ATD300+GC3800+Saturn MS2200" />
    <attribute name="ebas_instrument_serial_number" value="650N5021501" />
    <attribute name="ebas_method_ref" value="GB02L_HC_Data_Processing_WIs_8" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.49. Detection limit converted from '10.0 pmol/mol' to '35.0 ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.49." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/benzenemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="benzene mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gaschromatograph-online" />
    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_benzene_ng_per_m3_amean" shape="qc_benzene_ng_per_m3_amean_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_benzene_ng_per_m3_amean" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_benzene_pmol_per_mol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_benzene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="qc_benzene_pmol_per_mol_amean meta_benzene_pmol_per_mol_amean" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
    <attribute name="ebas_station_code" value="GB0048R" />
    <attribute name="ebas_platform_code" value="GB0048S" />
    <attribute name="ebas_station_name" value="Auchencorth Moss" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
    <attribute name="ebas_station_longitude" type="double" value="-3.2429" />
    <attribute name="ebas_station_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="benzene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
    <attribute name="ebas_instrument_manufacturer" value="PerkinElmer+Varian+Varian" />
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    <attribute name="ebas_instrument_serial_number" value="650N5021501" />
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    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Manufacturer NPL; Batch D386645" />
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    <attribute name="ebas_inlet_type" value="Hat or hood" />
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    <attribute name="ebas_measurement_uncertainty_expl" value="Follows ACTRIS_SOP" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
    <attribute name="ebas_organization" value="GB02L, &quot;AEA Technology, National Environmental Techn. Centre&quot;, , , &quot;Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom&quot;, , , , " />
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    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
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    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
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    <attribute name="ebas_submitter" value="&quot;Davies, Trevor, , , , , , , , , &quot;" />
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    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/benzeneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="benzene amount fraction" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
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    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
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  <variable name="qc_benzene_pmol_per_mol_amean" shape="qc_benzene_pmol_per_mol_amean_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
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  <variable name="meta_benzene_pmol_per_mol_amean" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_benzene_ng_per_m3_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_benzene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="qc_benzene_ng_per_m3_ExpUnc2s meta_benzene_ng_per_m3_ExpUnc2s" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
    <attribute name="ebas_station_code" value="GB0048R" />
    <attribute name="ebas_platform_code" value="GB0048S" />
    <attribute name="ebas_station_name" value="Auchencorth Moss" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
    <attribute name="ebas_station_longitude" type="double" value="-3.2429" />
    <attribute name="ebas_station_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="benzene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
    <attribute name="ebas_instrument_manufacturer" value="PerkinElmer+Varian+Varian" />
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    <attribute name="ebas_instrument_serial_number" value="650N5021501" />
    <attribute name="ebas_method_ref" value="GB02L_HC_Data_Processing_WIs_8" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Manufacturer NPL; Batch D386645" />
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    <attribute name="ebas_inlet_type" value="Hat or hood" />
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    <attribute name="ebas_measurement_uncertainty_expl" value="Follows ACTRIS_SOP" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
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    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
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    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.49." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/benzenemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="benzene mass concentration" />
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    <attribute name="actris_temporal_resolution" value="PT1H" />
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  <variable name="qc_benzene_ng_per_m3_ExpUnc2s" shape="qc_benzene_ng_per_m3_ExpUnc2s_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
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    <attribute name="units" value="1" />
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  <variable name="meta_benzene_ng_per_m3_ExpUnc2s" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_benzene_pmol_per_mol_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_benzene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
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    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
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    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
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    <attribute name="ebas_measurement_height" value="4.0 m" />
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    <attribute name="ebas_component" value="benzene" />
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    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
    <attribute name="ebas_instrument_manufacturer" value="PerkinElmer+Varian+Varian" />
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    <attribute name="ebas_instrument_serial_number" value="650N5021501" />
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    <attribute name="ebas_inlet_type" value="Hat or hood" />
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    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
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    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
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    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Dernie, James, james.dernie@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;, &quot;Carpenter, Sion, sion.carpenter@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;" />
    <attribute name="ebas_submitter" value="&quot;Davies, Trevor, , , , , , , , , &quot;" />
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    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/benzeneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="benzene amount fraction" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gaschromatograph-online" />
    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_benzene_pmol_per_mol_ExpUnc2s" shape="qc_benzene_pmol_per_mol_ExpUnc2s_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_benzene_pmol_per_mol_ExpUnc2s" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_benzene_ng_per_m3_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_benzene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="qc_benzene_ng_per_m3_precision meta_benzene_ng_per_m3_precision" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
    <attribute name="ebas_station_code" value="GB0048R" />
    <attribute name="ebas_platform_code" value="GB0048S" />
    <attribute name="ebas_station_name" value="Auchencorth Moss" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
    <attribute name="ebas_station_longitude" type="double" value="-3.2429" />
    <attribute name="ebas_station_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="benzene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
    <attribute name="ebas_instrument_manufacturer" value="PerkinElmer+Varian+Varian" />
    <attribute name="ebas_instrument_model" value="ATD300+GC3800+Saturn MS2200" />
    <attribute name="ebas_instrument_serial_number" value="650N5021501" />
    <attribute name="ebas_method_ref" value="GB02L_HC_Data_Processing_WIs_8" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Manufacturer NPL; Batch D386645" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer NPL; Batch D641887R" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Wide PVCU pipe, ~laminar flow, residence time &lt;1sec" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Manufacturers quoted detection limit of 10pmol/mol" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Follows ACTRIS_SOP" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
    <attribute name="ebas_organization" value="GB02L, &quot;AEA Technology, National Environmental Techn. Centre&quot;, , , &quot;Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Dernie, James, james.dernie@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;, &quot;Carpenter, Sion, sion.carpenter@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;" />
    <attribute name="ebas_submitter" value="&quot;Davies, Trevor, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.49." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/benzenemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="benzene mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gaschromatograph-online" />
    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_benzene_ng_per_m3_precision" shape="qc_benzene_ng_per_m3_precision_flags time" type="int">
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="_FillValue" type="int" value="0" />
  </variable>
  <variable name="meta_benzene_ng_per_m3_precision" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_benzene_pmol_per_mol_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_benzene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="qc_benzene_pmol_per_mol_precision meta_benzene_pmol_per_mol_precision" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
    <attribute name="ebas_station_code" value="GB0048R" />
    <attribute name="ebas_platform_code" value="GB0048S" />
    <attribute name="ebas_station_name" value="Auchencorth Moss" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
    <attribute name="ebas_station_longitude" type="double" value="-3.2429" />
    <attribute name="ebas_station_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="benzene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
    <attribute name="ebas_instrument_manufacturer" value="PerkinElmer+Varian+Varian" />
    <attribute name="ebas_instrument_model" value="ATD300+GC3800+Saturn MS2200" />
    <attribute name="ebas_instrument_serial_number" value="650N5021501" />
    <attribute name="ebas_method_ref" value="GB02L_HC_Data_Processing_WIs_8" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Manufacturer NPL; Batch D386645" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer NPL; Batch D641887R" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Wide PVCU pipe, ~laminar flow, residence time &lt;1sec" />
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    <attribute name="ebas_measurement_uncertainty_expl" value="Follows ACTRIS_SOP" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
    <attribute name="ebas_organization" value="GB02L, &quot;AEA Technology, National Environmental Techn. Centre&quot;, , , &quot;Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Dernie, James, james.dernie@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;, &quot;Carpenter, Sion, sion.carpenter@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;" />
    <attribute name="ebas_submitter" value="&quot;Davies, Trevor, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/benzeneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="benzene amount fraction" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gaschromatograph-online" />
    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_benzene_pmol_per_mol_precision" shape="qc_benzene_pmol_per_mol_precision_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_benzene_pmol_per_mol_precision" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_ethane_ng_per_m3_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_ethane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="qc_ethane_ng_per_m3_amean meta_ethane_ng_per_m3_amean" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
    <attribute name="ebas_station_code" value="GB0048R" />
    <attribute name="ebas_platform_code" value="GB0048S" />
    <attribute name="ebas_station_name" value="Auchencorth Moss" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
    <attribute name="ebas_station_longitude" type="double" value="-3.2429" />
    <attribute name="ebas_station_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ethane" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
    <attribute name="ebas_instrument_manufacturer" value="PerkinElmer+Varian+Varian" />
    <attribute name="ebas_instrument_model" value="ATD300+GC3800+Saturn MS2200" />
    <attribute name="ebas_instrument_serial_number" value="650N5021501" />
    <attribute name="ebas_method_ref" value="GB02L_HC_Data_Processing_WIs_8" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Manufacturer NPL; Batch D386645" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer NPL; Batch D641887R" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Wide PVCU pipe, ~laminar flow, residence time &lt;1sec" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="13.0 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Manufacturers quoted detection limit of 10pmol/mol" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Follows ACTRIS_SOP" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
    <attribute name="ebas_organization" value="GB02L, &quot;AEA Technology, National Environmental Techn. Centre&quot;, , , &quot;Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Dernie, James, james.dernie@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;, &quot;Carpenter, Sion, sion.carpenter@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;" />
    <attribute name="ebas_submitter" value="&quot;Davies, Trevor, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 1.34. Detection limit converted from '10.0 pmol/mol' to '13.0 ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 1.34." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/ethanemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="ethane mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gaschromatograph-online" />
    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_ethane_ng_per_m3_amean" shape="qc_ethane_ng_per_m3_amean_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_ethane_ng_per_m3_amean" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_ethane_pmol_per_mol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_ethane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="qc_ethane_pmol_per_mol_amean meta_ethane_pmol_per_mol_amean" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
    <attribute name="ebas_station_code" value="GB0048R" />
    <attribute name="ebas_platform_code" value="GB0048S" />
    <attribute name="ebas_station_name" value="Auchencorth Moss" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
    <attribute name="ebas_station_longitude" type="double" value="-3.2429" />
    <attribute name="ebas_station_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ethane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
    <attribute name="ebas_instrument_manufacturer" value="PerkinElmer+Varian+Varian" />
    <attribute name="ebas_instrument_model" value="ATD300+GC3800+Saturn MS2200" />
    <attribute name="ebas_instrument_serial_number" value="650N5021501" />
    <attribute name="ebas_method_ref" value="GB02L_HC_Data_Processing_WIs_8" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Manufacturer NPL; Batch D386645" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer NPL; Batch D641887R" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Wide PVCU pipe, ~laminar flow, residence time &lt;1sec" />
    <attribute name="ebas_detection_limit" value="10.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Manufacturers quoted detection limit of 10pmol/mol" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Follows ACTRIS_SOP" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
    <attribute name="ebas_organization" value="GB02L, &quot;AEA Technology, National Environmental Techn. Centre&quot;, , , &quot;Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Dernie, James, james.dernie@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;, &quot;Carpenter, Sion, sion.carpenter@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;" />
    <attribute name="ebas_submitter" value="&quot;Davies, Trevor, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/ethaneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="ethane amount fraction" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gaschromatograph-online" />
    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_ethane_pmol_per_mol_amean" shape="qc_ethane_pmol_per_mol_amean_flags time" type="int">
    <attribute name="units" value="1" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
  </variable>
  <variable name="meta_ethane_pmol_per_mol_amean" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_ethane_ng_per_m3_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_ethane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="qc_ethane_ng_per_m3_ExpUnc2s meta_ethane_ng_per_m3_ExpUnc2s" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
    <attribute name="ebas_station_code" value="GB0048R" />
    <attribute name="ebas_platform_code" value="GB0048S" />
    <attribute name="ebas_station_name" value="Auchencorth Moss" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
    <attribute name="ebas_station_longitude" type="double" value="-3.2429" />
    <attribute name="ebas_station_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ethane" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
    <attribute name="ebas_instrument_manufacturer" value="PerkinElmer+Varian+Varian" />
    <attribute name="ebas_instrument_model" value="ATD300+GC3800+Saturn MS2200" />
    <attribute name="ebas_instrument_serial_number" value="650N5021501" />
    <attribute name="ebas_method_ref" value="GB02L_HC_Data_Processing_WIs_8" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Manufacturer NPL; Batch D386645" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer NPL; Batch D641887R" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Wide PVCU pipe, ~laminar flow, residence time &lt;1sec" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Manufacturers quoted detection limit of 10pmol/mol" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Follows ACTRIS_SOP" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
    <attribute name="ebas_organization" value="GB02L, &quot;AEA Technology, National Environmental Techn. Centre&quot;, , , &quot;Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Dernie, James, james.dernie@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;, &quot;Carpenter, Sion, sion.carpenter@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;" />
    <attribute name="ebas_submitter" value="&quot;Davies, Trevor, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 1.34." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/ethanemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="ethane mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gaschromatograph-online" />
    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_ethane_ng_per_m3_ExpUnc2s" shape="qc_ethane_ng_per_m3_ExpUnc2s_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_ethane_ng_per_m3_ExpUnc2s" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_ethane_pmol_per_mol_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_ethane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="qc_ethane_pmol_per_mol_ExpUnc2s meta_ethane_pmol_per_mol_ExpUnc2s" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
    <attribute name="ebas_station_code" value="GB0048R" />
    <attribute name="ebas_platform_code" value="GB0048S" />
    <attribute name="ebas_station_name" value="Auchencorth Moss" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
    <attribute name="ebas_station_longitude" type="double" value="-3.2429" />
    <attribute name="ebas_station_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ethane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
    <attribute name="ebas_instrument_manufacturer" value="PerkinElmer+Varian+Varian" />
    <attribute name="ebas_instrument_model" value="ATD300+GC3800+Saturn MS2200" />
    <attribute name="ebas_instrument_serial_number" value="650N5021501" />
    <attribute name="ebas_method_ref" value="GB02L_HC_Data_Processing_WIs_8" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Manufacturer NPL; Batch D386645" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer NPL; Batch D641887R" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Wide PVCU pipe, ~laminar flow, residence time &lt;1sec" />
    <attribute name="ebas_detection_limit_expl" value="Manufacturers quoted detection limit of 10pmol/mol" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Follows ACTRIS_SOP" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
    <attribute name="ebas_organization" value="GB02L, &quot;AEA Technology, National Environmental Techn. Centre&quot;, , , &quot;Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Dernie, James, james.dernie@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;, &quot;Carpenter, Sion, sion.carpenter@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;" />
    <attribute name="ebas_submitter" value="&quot;Davies, Trevor, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/ethaneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="ethane amount fraction" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gaschromatograph-online" />
    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_ethane_pmol_per_mol_ExpUnc2s" shape="qc_ethane_pmol_per_mol_ExpUnc2s_flags time" type="int">
    <attribute name="units" value="1" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
  </variable>
  <variable name="meta_ethane_pmol_per_mol_ExpUnc2s" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_ethane_ng_per_m3_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_ethane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="qc_ethane_ng_per_m3_precision meta_ethane_ng_per_m3_precision" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
    <attribute name="ebas_station_code" value="GB0048R" />
    <attribute name="ebas_platform_code" value="GB0048S" />
    <attribute name="ebas_station_name" value="Auchencorth Moss" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
    <attribute name="ebas_station_longitude" type="double" value="-3.2429" />
    <attribute name="ebas_station_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ethane" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
    <attribute name="ebas_instrument_manufacturer" value="PerkinElmer+Varian+Varian" />
    <attribute name="ebas_instrument_model" value="ATD300+GC3800+Saturn MS2200" />
    <attribute name="ebas_instrument_serial_number" value="650N5021501" />
    <attribute name="ebas_method_ref" value="GB02L_HC_Data_Processing_WIs_8" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Manufacturer NPL; Batch D386645" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer NPL; Batch D641887R" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Wide PVCU pipe, ~laminar flow, residence time &lt;1sec" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Manufacturers quoted detection limit of 10pmol/mol" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Follows ACTRIS_SOP" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
    <attribute name="ebas_organization" value="GB02L, &quot;AEA Technology, National Environmental Techn. Centre&quot;, , , &quot;Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Dernie, James, james.dernie@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;, &quot;Carpenter, Sion, sion.carpenter@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;" />
    <attribute name="ebas_submitter" value="&quot;Davies, Trevor, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 1.34." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/ethanemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="ethane mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gaschromatograph-online" />
    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_ethane_ng_per_m3_precision" shape="qc_ethane_ng_per_m3_precision_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_ethane_ng_per_m3_precision" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_ethane_pmol_per_mol_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_ethane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="qc_ethane_pmol_per_mol_precision meta_ethane_pmol_per_mol_precision" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
    <attribute name="ebas_station_code" value="GB0048R" />
    <attribute name="ebas_platform_code" value="GB0048S" />
    <attribute name="ebas_station_name" value="Auchencorth Moss" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
    <attribute name="ebas_station_longitude" type="double" value="-3.2429" />
    <attribute name="ebas_station_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ethane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
    <attribute name="ebas_instrument_manufacturer" value="PerkinElmer+Varian+Varian" />
    <attribute name="ebas_instrument_model" value="ATD300+GC3800+Saturn MS2200" />
    <attribute name="ebas_instrument_serial_number" value="650N5021501" />
    <attribute name="ebas_method_ref" value="GB02L_HC_Data_Processing_WIs_8" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Manufacturer NPL; Batch D386645" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer NPL; Batch D641887R" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Wide PVCU pipe, ~laminar flow, residence time &lt;1sec" />
    <attribute name="ebas_detection_limit_expl" value="Manufacturers quoted detection limit of 10pmol/mol" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Follows ACTRIS_SOP" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
    <attribute name="ebas_organization" value="GB02L, &quot;AEA Technology, National Environmental Techn. Centre&quot;, , , &quot;Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom&quot;, , , , " />
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    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Dernie, James, james.dernie@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;, &quot;Carpenter, Sion, sion.carpenter@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;" />
    <attribute name="ebas_submitter" value="&quot;Davies, Trevor, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/ethaneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="ethane amount fraction" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gaschromatograph-online" />
    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_ethane_pmol_per_mol_precision" shape="qc_ethane_pmol_per_mol_precision_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_ethane_pmol_per_mol_precision" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_ethene_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_ethene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="qc_ethene_amean meta_ethene_amean" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
    <attribute name="ebas_station_code" value="GB0048R" />
    <attribute name="ebas_platform_code" value="GB0048S" />
    <attribute name="ebas_station_name" value="Auchencorth Moss" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
    <attribute name="ebas_station_longitude" type="double" value="-3.2429" />
    <attribute name="ebas_station_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ethene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
    <attribute name="ebas_instrument_manufacturer" value="PerkinElmer+Varian+Varian" />
    <attribute name="ebas_instrument_model" value="ATD300+GC3800+Saturn MS2200" />
    <attribute name="ebas_instrument_serial_number" value="650N5021501" />
    <attribute name="ebas_method_ref" value="GB02L_HC_Data_Processing_WIs_8" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Manufacturer NPL; Batch D386645" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer NPL; Batch D641887R" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Wide PVCU pipe, ~laminar flow, residence time &lt;1sec" />
    <attribute name="ebas_detection_limit" value="10.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Manufacturers quoted detection limit of 10pmol/mol" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Follows ACTRIS_SOP" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
    <attribute name="ebas_organization" value="GB02L, &quot;AEA Technology, National Environmental Techn. Centre&quot;, , , &quot;Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Dernie, James, james.dernie@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;, &quot;Carpenter, Sion, sion.carpenter@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;" />
    <attribute name="ebas_submitter" value="&quot;Davies, Trevor, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/etheneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="ethene amount fraction" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gaschromatograph-online" />
    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_ethene_amean" shape="qc_ethene_amean_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_ethene_amean" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_ethene_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_ethene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="qc_ethene_ExpUnc2s meta_ethene_ExpUnc2s" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
    <attribute name="ebas_station_code" value="GB0048R" />
    <attribute name="ebas_platform_code" value="GB0048S" />
    <attribute name="ebas_station_name" value="Auchencorth Moss" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
    <attribute name="ebas_station_longitude" type="double" value="-3.2429" />
    <attribute name="ebas_station_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ethene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
    <attribute name="ebas_instrument_manufacturer" value="PerkinElmer+Varian+Varian" />
    <attribute name="ebas_instrument_model" value="ATD300+GC3800+Saturn MS2200" />
    <attribute name="ebas_instrument_serial_number" value="650N5021501" />
    <attribute name="ebas_method_ref" value="GB02L_HC_Data_Processing_WIs_8" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Manufacturer NPL; Batch D386645" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer NPL; Batch D641887R" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Wide PVCU pipe, ~laminar flow, residence time &lt;1sec" />
    <attribute name="ebas_detection_limit_expl" value="Manufacturers quoted detection limit of 10pmol/mol" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Follows ACTRIS_SOP" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
    <attribute name="ebas_organization" value="GB02L, &quot;AEA Technology, National Environmental Techn. Centre&quot;, , , &quot;Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom&quot;, , , , " />
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    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Dernie, James, james.dernie@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;, &quot;Carpenter, Sion, sion.carpenter@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;" />
    <attribute name="ebas_submitter" value="&quot;Davies, Trevor, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/etheneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="ethene amount fraction" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gaschromatograph-online" />
    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_ethene_ExpUnc2s" shape="qc_ethene_ExpUnc2s_flags time" type="int">
    <attribute name="units" value="1" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
  </variable>
  <variable name="meta_ethene_ExpUnc2s" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_ethene_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_ethene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="qc_ethene_precision meta_ethene_precision" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
    <attribute name="ebas_station_code" value="GB0048R" />
    <attribute name="ebas_platform_code" value="GB0048S" />
    <attribute name="ebas_station_name" value="Auchencorth Moss" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
    <attribute name="ebas_station_longitude" type="double" value="-3.2429" />
    <attribute name="ebas_station_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ethene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
    <attribute name="ebas_instrument_manufacturer" value="PerkinElmer+Varian+Varian" />
    <attribute name="ebas_instrument_model" value="ATD300+GC3800+Saturn MS2200" />
    <attribute name="ebas_instrument_serial_number" value="650N5021501" />
    <attribute name="ebas_method_ref" value="GB02L_HC_Data_Processing_WIs_8" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Manufacturer NPL; Batch D386645" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer NPL; Batch D641887R" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Wide PVCU pipe, ~laminar flow, residence time &lt;1sec" />
    <attribute name="ebas_detection_limit_expl" value="Manufacturers quoted detection limit of 10pmol/mol" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Follows ACTRIS_SOP" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
    <attribute name="ebas_organization" value="GB02L, &quot;AEA Technology, National Environmental Techn. Centre&quot;, , , &quot;Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Dernie, James, james.dernie@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;, &quot;Carpenter, Sion, sion.carpenter@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;" />
    <attribute name="ebas_submitter" value="&quot;Davies, Trevor, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/etheneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="ethene amount fraction" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gaschromatograph-online" />
    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_ethene_precision" shape="qc_ethene_precision_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_ethene_precision" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_ethylbenzene_ng_per_m3_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_ethylbenzene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="qc_ethylbenzene_ng_per_m3_amean meta_ethylbenzene_ng_per_m3_amean" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
    <attribute name="ebas_station_code" value="GB0048R" />
    <attribute name="ebas_platform_code" value="GB0048S" />
    <attribute name="ebas_station_name" value="Auchencorth Moss" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
    <attribute name="ebas_station_longitude" type="double" value="-3.2429" />
    <attribute name="ebas_station_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ethylbenzene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
    <attribute name="ebas_instrument_manufacturer" value="PerkinElmer+Varian+Varian" />
    <attribute name="ebas_instrument_model" value="ATD300+GC3800+Saturn MS2200" />
    <attribute name="ebas_instrument_serial_number" value="650N5021501" />
    <attribute name="ebas_method_ref" value="GB02L_HC_Data_Processing_WIs_8" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Manufacturer NPL; Batch D386645" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer NPL; Batch D641887R" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Wide PVCU pipe, ~laminar flow, residence time &lt;1sec" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="47.0 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Manufacturers quoted detection limit of 10pmol/mol" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Follows ACTRIS_SOP" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
    <attribute name="ebas_organization" value="GB02L, &quot;AEA Technology, National Environmental Techn. Centre&quot;, , , &quot;Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Dernie, James, james.dernie@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;, &quot;Carpenter, Sion, sion.carpenter@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;" />
    <attribute name="ebas_submitter" value="&quot;Davies, Trevor, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.74. Detection limit converted from '10.0 pmol/mol' to '47.0 ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.74." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/ethylbenzenemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="ethylbenzene mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gaschromatograph-online" />
    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
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  <variable name="qc_ethylbenzene_ng_per_m3_amean" shape="qc_ethylbenzene_ng_per_m3_amean_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_ethylbenzene_ng_per_m3_amean" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_ethylbenzene_pmol_per_mol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_ethylbenzene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="qc_ethylbenzene_pmol_per_mol_amean meta_ethylbenzene_pmol_per_mol_amean" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
    <attribute name="ebas_station_code" value="GB0048R" />
    <attribute name="ebas_platform_code" value="GB0048S" />
    <attribute name="ebas_station_name" value="Auchencorth Moss" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
    <attribute name="ebas_station_longitude" type="double" value="-3.2429" />
    <attribute name="ebas_station_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ethylbenzene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
    <attribute name="ebas_instrument_manufacturer" value="PerkinElmer+Varian+Varian" />
    <attribute name="ebas_instrument_model" value="ATD300+GC3800+Saturn MS2200" />
    <attribute name="ebas_instrument_serial_number" value="650N5021501" />
    <attribute name="ebas_method_ref" value="GB02L_HC_Data_Processing_WIs_8" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Manufacturer NPL; Batch D386645" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer NPL; Batch D641887R" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Wide PVCU pipe, ~laminar flow, residence time &lt;1sec" />
    <attribute name="ebas_detection_limit" value="10.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Manufacturers quoted detection limit of 10pmol/mol" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Follows ACTRIS_SOP" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
    <attribute name="ebas_organization" value="GB02L, &quot;AEA Technology, National Environmental Techn. Centre&quot;, , , &quot;Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
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    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.74." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/ethylbenzenemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="ethylbenzene mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gaschromatograph-online" />
    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_ethylbenzene_ng_per_m3_precision" shape="qc_ethylbenzene_ng_per_m3_precision_flags time" type="int">
    <attribute name="units" value="1" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
  </variable>
  <variable name="meta_ethylbenzene_ng_per_m3_precision" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_ethylbenzene_pmol_per_mol_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_ethylbenzene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="qc_ethylbenzene_pmol_per_mol_precision meta_ethylbenzene_pmol_per_mol_precision" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
    <attribute name="ebas_station_code" value="GB0048R" />
    <attribute name="ebas_platform_code" value="GB0048S" />
    <attribute name="ebas_station_name" value="Auchencorth Moss" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
    <attribute name="ebas_station_longitude" type="double" value="-3.2429" />
    <attribute name="ebas_station_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ethylbenzene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
    <attribute name="ebas_instrument_manufacturer" value="PerkinElmer+Varian+Varian" />
    <attribute name="ebas_instrument_model" value="ATD300+GC3800+Saturn MS2200" />
    <attribute name="ebas_instrument_serial_number" value="650N5021501" />
    <attribute name="ebas_method_ref" value="GB02L_HC_Data_Processing_WIs_8" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Manufacturer NPL; Batch D386645" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer NPL; Batch D641887R" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Wide PVCU pipe, ~laminar flow, residence time &lt;1sec" />
    <attribute name="ebas_detection_limit_expl" value="Manufacturers quoted detection limit of 10pmol/mol" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Follows ACTRIS_SOP" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
    <attribute name="ebas_organization" value="GB02L, &quot;AEA Technology, National Environmental Techn. Centre&quot;, , , &quot;Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Dernie, James, james.dernie@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;, &quot;Carpenter, Sion, sion.carpenter@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;" />
    <attribute name="ebas_submitter" value="&quot;Davies, Trevor, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/ethylbenzeneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="ethylbenzene amount fraction" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gaschromatograph-online" />
    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_ethylbenzene_pmol_per_mol_precision" shape="qc_ethylbenzene_pmol_per_mol_precision_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="units" value="1" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
  </variable>
  <variable name="meta_ethylbenzene_pmol_per_mol_precision" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_ethyne_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_ethyne_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="qc_ethyne_amean meta_ethyne_amean" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
    <attribute name="ebas_station_code" value="GB0048R" />
    <attribute name="ebas_platform_code" value="GB0048S" />
    <attribute name="ebas_station_name" value="Auchencorth Moss" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
    <attribute name="ebas_station_longitude" type="double" value="-3.2429" />
    <attribute name="ebas_station_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ethyne" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
    <attribute name="ebas_instrument_manufacturer" value="PerkinElmer+Varian+Varian" />
    <attribute name="ebas_instrument_model" value="ATD300+GC3800+Saturn MS2200" />
    <attribute name="ebas_instrument_serial_number" value="650N5021501" />
    <attribute name="ebas_method_ref" value="GB02L_HC_Data_Processing_WIs_8" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Manufacturer NPL; Batch D386645" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer NPL; Batch D641887R" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Wide PVCU pipe, ~laminar flow, residence time &lt;1sec" />
    <attribute name="ebas_detection_limit" value="10.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Manufacturers quoted detection limit of 10pmol/mol" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Follows ACTRIS_SOP" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
    <attribute name="ebas_organization" value="GB02L, &quot;AEA Technology, National Environmental Techn. Centre&quot;, , , &quot;Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Dernie, James, james.dernie@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;, &quot;Carpenter, Sion, sion.carpenter@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;" />
    <attribute name="ebas_submitter" value="&quot;Davies, Trevor, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/ethyneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="ethyne amount fraction" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gaschromatograph-online" />
    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_ethyne_amean" shape="qc_ethyne_amean_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_ethyne_amean" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_ethyne_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_ethyne_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="qc_ethyne_ExpUnc2s meta_ethyne_ExpUnc2s" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
    <attribute name="ebas_station_code" value="GB0048R" />
    <attribute name="ebas_platform_code" value="GB0048S" />
    <attribute name="ebas_station_name" value="Auchencorth Moss" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
    <attribute name="ebas_station_longitude" type="double" value="-3.2429" />
    <attribute name="ebas_station_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ethyne" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
    <attribute name="ebas_instrument_manufacturer" value="PerkinElmer+Varian+Varian" />
    <attribute name="ebas_instrument_model" value="ATD300+GC3800+Saturn MS2200" />
    <attribute name="ebas_instrument_serial_number" value="650N5021501" />
    <attribute name="ebas_method_ref" value="GB02L_HC_Data_Processing_WIs_8" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Manufacturer NPL; Batch D386645" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer NPL; Batch D641887R" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Wide PVCU pipe, ~laminar flow, residence time &lt;1sec" />
    <attribute name="ebas_detection_limit_expl" value="Manufacturers quoted detection limit of 10pmol/mol" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Follows ACTRIS_SOP" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
    <attribute name="ebas_organization" value="GB02L, &quot;AEA Technology, National Environmental Techn. Centre&quot;, , , &quot;Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Dernie, James, james.dernie@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;, &quot;Carpenter, Sion, sion.carpenter@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;" />
    <attribute name="ebas_submitter" value="&quot;Davies, Trevor, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/ethyneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="ethyne amount fraction" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gaschromatograph-online" />
    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_ethyne_ExpUnc2s" shape="qc_ethyne_ExpUnc2s_flags time" type="int">
    <attribute name="units" value="1" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
  </variable>
  <variable name="meta_ethyne_ExpUnc2s" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_ethyne_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_ethyne_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="qc_ethyne_precision meta_ethyne_precision" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
    <attribute name="ebas_station_code" value="GB0048R" />
    <attribute name="ebas_platform_code" value="GB0048S" />
    <attribute name="ebas_station_name" value="Auchencorth Moss" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
    <attribute name="ebas_station_longitude" type="double" value="-3.2429" />
    <attribute name="ebas_station_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ethyne" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
    <attribute name="ebas_instrument_manufacturer" value="PerkinElmer+Varian+Varian" />
    <attribute name="ebas_instrument_model" value="ATD300+GC3800+Saturn MS2200" />
    <attribute name="ebas_instrument_serial_number" value="650N5021501" />
    <attribute name="ebas_method_ref" value="GB02L_HC_Data_Processing_WIs_8" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Manufacturer NPL; Batch D386645" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer NPL; Batch D641887R" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Wide PVCU pipe, ~laminar flow, residence time &lt;1sec" />
    <attribute name="ebas_detection_limit_expl" value="Manufacturers quoted detection limit of 10pmol/mol" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Follows ACTRIS_SOP" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
    <attribute name="ebas_organization" value="GB02L, &quot;AEA Technology, National Environmental Techn. Centre&quot;, , , &quot;Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Dernie, James, james.dernie@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;, &quot;Carpenter, Sion, sion.carpenter@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;" />
    <attribute name="ebas_submitter" value="&quot;Davies, Trevor, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/ethyneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="ethyne amount fraction" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gaschromatograph-online" />
    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_ethyne_precision" shape="qc_ethyne_precision_flags time" type="int">
    <attribute name="units" value="1" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
  </variable>
  <variable name="meta_ethyne_precision" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_isoprene_ng_per_m3_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_isoprene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="qc_isoprene_ng_per_m3_amean meta_isoprene_ng_per_m3_amean" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
    <attribute name="ebas_station_code" value="GB0048R" />
    <attribute name="ebas_platform_code" value="GB0048S" />
    <attribute name="ebas_station_name" value="Auchencorth Moss" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
    <attribute name="ebas_station_longitude" type="double" value="-3.2429" />
    <attribute name="ebas_station_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="isoprene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
    <attribute name="ebas_instrument_manufacturer" value="PerkinElmer+Varian+Varian" />
    <attribute name="ebas_instrument_model" value="ATD300+GC3800+Saturn MS2200" />
    <attribute name="ebas_instrument_serial_number" value="650N5021501" />
    <attribute name="ebas_method_ref" value="GB02L_HC_Data_Processing_WIs_8" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Manufacturer NPL; Batch D386645" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer NPL; Batch D641887R" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Wide PVCU pipe, ~laminar flow, residence time &lt;1sec" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="30.0 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Manufacturers quoted detection limit of 10pmol/mol" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Follows ACTRIS_SOP" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
    <attribute name="ebas_organization" value="GB02L, &quot;AEA Technology, National Environmental Techn. Centre&quot;, , , &quot;Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Dernie, James, james.dernie@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;, &quot;Carpenter, Sion, sion.carpenter@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;" />
    <attribute name="ebas_submitter" value="&quot;Davies, Trevor, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.04. Detection limit converted from '10.0 pmol/mol' to '30.0 ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.04." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/isoprenemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="isoprene mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gaschromatograph-online" />
    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_isoprene_ng_per_m3_amean" shape="qc_isoprene_ng_per_m3_amean_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_isoprene_ng_per_m3_amean" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_isoprene_pmol_per_mol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_isoprene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="qc_isoprene_pmol_per_mol_amean meta_isoprene_pmol_per_mol_amean" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
    <attribute name="ebas_station_code" value="GB0048R" />
    <attribute name="ebas_platform_code" value="GB0048S" />
    <attribute name="ebas_station_name" value="Auchencorth Moss" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
    <attribute name="ebas_station_longitude" type="double" value="-3.2429" />
    <attribute name="ebas_station_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="isoprene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
    <attribute name="ebas_instrument_manufacturer" value="PerkinElmer+Varian+Varian" />
    <attribute name="ebas_instrument_model" value="ATD300+GC3800+Saturn MS2200" />
    <attribute name="ebas_instrument_serial_number" value="650N5021501" />
    <attribute name="ebas_method_ref" value="GB02L_HC_Data_Processing_WIs_8" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Manufacturer NPL; Batch D386645" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer NPL; Batch D641887R" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Wide PVCU pipe, ~laminar flow, residence time &lt;1sec" />
    <attribute name="ebas_detection_limit" value="10.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Manufacturers quoted detection limit of 10pmol/mol" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Follows ACTRIS_SOP" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
    <attribute name="ebas_organization" value="GB02L, &quot;AEA Technology, National Environmental Techn. Centre&quot;, , , &quot;Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Dernie, James, james.dernie@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;, &quot;Carpenter, Sion, sion.carpenter@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;" />
    <attribute name="ebas_submitter" value="&quot;Davies, Trevor, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/isopreneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="isoprene amount fraction" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gaschromatograph-online" />
    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_isoprene_pmol_per_mol_amean" shape="qc_isoprene_pmol_per_mol_amean_flags time" type="int">
    <attribute name="units" value="1" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
  </variable>
  <variable name="meta_isoprene_pmol_per_mol_amean" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_isoprene_ng_per_m3_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_isoprene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="qc_isoprene_ng_per_m3_ExpUnc2s meta_isoprene_ng_per_m3_ExpUnc2s" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
    <attribute name="ebas_station_code" value="GB0048R" />
    <attribute name="ebas_platform_code" value="GB0048S" />
    <attribute name="ebas_station_name" value="Auchencorth Moss" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
    <attribute name="ebas_station_longitude" type="double" value="-3.2429" />
    <attribute name="ebas_station_altitude" value="260.0 m" />
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    <attribute name="ebas_measurement_height" value="4.0 m" />
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    <attribute name="ebas_component" value="isoprene" />
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    <attribute name="ebas_inlet_type" value="Hat or hood" />
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    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
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    <attribute name="ebas_submitter" value="&quot;Davies, Trevor, , , , , , , , , &quot;" />
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    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.04." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/isoprenemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="isoprene mass concentration" />
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  <variable name="qc_isoprene_ng_per_m3_ExpUnc2s" shape="qc_isoprene_ng_per_m3_ExpUnc2s_flags time" type="int">
    <attribute name="units" value="1" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
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  <variable name="meta_isoprene_ng_per_m3_ExpUnc2s" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_isoprene_pmol_per_mol_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_isoprene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
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    <attribute name="ancillary_variables" value="qc_isoprene_pmol_per_mol_ExpUnc2s meta_isoprene_pmol_per_mol_ExpUnc2s" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
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    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
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    <attribute name="ebas_measurement_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="isoprene" />
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    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
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    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
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    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/isopreneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="isoprene amount fraction" />
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  <variable name="qc_isoprene_pmol_per_mol_ExpUnc2s" shape="qc_isoprene_pmol_per_mol_ExpUnc2s_flags time" type="int">
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  <variable name="meta_isoprene_pmol_per_mol_ExpUnc2s" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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  <variable name="v_isoprene_ng_per_m3_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_isoprene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
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    <attribute name="ebas_orig_time_res" value="40mn" />
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    <attribute name="ebas_measurement_height" value="4.0 m" />
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    <attribute name="ebas_component" value="isoprene" />
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    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
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    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/isoprenemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="isoprene mass concentration" />
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    <attribute name="_FillValue" type="int" value="0" />
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  <variable name="meta_isoprene_ng_per_m3_precision" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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  <variable name="v_isoprene_pmol_per_mol_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_isoprene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
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    <attribute name="ancillary_variables" value="qc_isoprene_pmol_per_mol_precision meta_isoprene_pmol_per_mol_precision" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
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    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
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    <attribute name="ebas_component" value="isoprene" />
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    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
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    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Manufacturer NPL; Batch D386645" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer NPL; Batch D641887R" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Wide PVCU pipe, ~laminar flow, residence time &lt;1sec" />
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    <attribute name="ebas_measurement_uncertainty_expl" value="Follows ACTRIS_SOP" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
    <attribute name="ebas_organization" value="GB02L, &quot;AEA Technology, National Environmental Techn. Centre&quot;, , , &quot;Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom&quot;, , , , " />
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    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Dernie, James, james.dernie@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;, &quot;Carpenter, Sion, sion.carpenter@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;" />
    <attribute name="ebas_submitter" value="&quot;Davies, Trevor, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/isopreneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="isoprene amount fraction" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gaschromatograph-online" />
    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_isoprene_pmol_per_mol_precision" shape="qc_isoprene_pmol_per_mol_precision_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_isoprene_pmol_per_mol_precision" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_m_p_xylene_ng_per_m3_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_m-p-xylene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="qc_m_p_xylene_ng_per_m3_amean meta_m_p_xylene_ng_per_m3_amean" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
    <attribute name="ebas_station_code" value="GB0048R" />
    <attribute name="ebas_platform_code" value="GB0048S" />
    <attribute name="ebas_station_name" value="Auchencorth Moss" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
    <attribute name="ebas_station_longitude" type="double" value="-3.2429" />
    <attribute name="ebas_station_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="m-p-xylene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
    <attribute name="ebas_instrument_manufacturer" value="PerkinElmer+Varian+Varian" />
    <attribute name="ebas_instrument_model" value="ATD300+GC3800+Saturn MS2200" />
    <attribute name="ebas_instrument_serial_number" value="650N5021501" />
    <attribute name="ebas_method_ref" value="GB02L_HC_Data_Processing_WIs_8" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Manufacturer NPL; Batch D386645" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer NPL; Batch D641887R" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Wide PVCU pipe, ~laminar flow, residence time &lt;1sec" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="47.0 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Manufacturers quoted detection limit of 10pmol/mol" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Follows ACTRIS_SOP" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
    <attribute name="ebas_organization" value="GB02L, &quot;AEA Technology, National Environmental Techn. Centre&quot;, , , &quot;Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom&quot;, , , , " />
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    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
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    <attribute name="ebas_submitter" value="&quot;Davies, Trevor, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.74. Detection limit converted from '10.0 pmol/mol' to '47.0 ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.74." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/mDivp-xylenesmassconcentration" />
    <attribute name="actris_variable_preferred_term" value="m/p-xylenes mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
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    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gaschromatograph-online" />
    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_m_p_xylene_ng_per_m3_amean" shape="qc_m_p_xylene_ng_per_m3_amean_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_m_p_xylene_ng_per_m3_amean" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_m_p_xylene_pmol_per_mol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_m_p_xylene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="qc_m_p_xylene_pmol_per_mol_amean meta_m_p_xylene_pmol_per_mol_amean" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
    <attribute name="ebas_station_code" value="GB0048R" />
    <attribute name="ebas_platform_code" value="GB0048S" />
    <attribute name="ebas_station_name" value="Auchencorth Moss" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
    <attribute name="ebas_station_longitude" type="double" value="-3.2429" />
    <attribute name="ebas_station_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="m-p-xylene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
    <attribute name="ebas_instrument_manufacturer" value="PerkinElmer+Varian+Varian" />
    <attribute name="ebas_instrument_model" value="ATD300+GC3800+Saturn MS2200" />
    <attribute name="ebas_instrument_serial_number" value="650N5021501" />
    <attribute name="ebas_method_ref" value="GB02L_HC_Data_Processing_WIs_8" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Manufacturer NPL; Batch D386645" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer NPL; Batch D641887R" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Wide PVCU pipe, ~laminar flow, residence time &lt;1sec" />
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    <attribute name="ebas_detection_limit_expl" value="Manufacturers quoted detection limit of 10pmol/mol" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Follows ACTRIS_SOP" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
    <attribute name="ebas_organization" value="GB02L, &quot;AEA Technology, National Environmental Techn. Centre&quot;, , , &quot;Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom&quot;, , , , " />
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    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Dernie, James, james.dernie@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;, &quot;Carpenter, Sion, sion.carpenter@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;" />
    <attribute name="ebas_submitter" value="&quot;Davies, Trevor, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/mDivp-xylenesamountfraction" />
    <attribute name="actris_variable_preferred_term" value="m/p-xylenes amount fraction" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
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    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
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  <variable name="qc_m_p_xylene_pmol_per_mol_amean" shape="qc_m_p_xylene_pmol_per_mol_amean_flags time" type="int">
    <attribute name="units" value="1" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
  </variable>
  <variable name="meta_m_p_xylene_pmol_per_mol_amean" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_m_p_xylene_ng_per_m3_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_m-p-xylene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="qc_m_p_xylene_ng_per_m3_ExpUnc2s meta_m_p_xylene_ng_per_m3_ExpUnc2s" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
    <attribute name="ebas_station_code" value="GB0048R" />
    <attribute name="ebas_platform_code" value="GB0048S" />
    <attribute name="ebas_station_name" value="Auchencorth Moss" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
    <attribute name="ebas_station_longitude" type="double" value="-3.2429" />
    <attribute name="ebas_station_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="m-p-xylene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
    <attribute name="ebas_instrument_manufacturer" value="PerkinElmer+Varian+Varian" />
    <attribute name="ebas_instrument_model" value="ATD300+GC3800+Saturn MS2200" />
    <attribute name="ebas_instrument_serial_number" value="650N5021501" />
    <attribute name="ebas_method_ref" value="GB02L_HC_Data_Processing_WIs_8" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Manufacturer NPL; Batch D386645" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer NPL; Batch D641887R" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Wide PVCU pipe, ~laminar flow, residence time &lt;1sec" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Manufacturers quoted detection limit of 10pmol/mol" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Follows ACTRIS_SOP" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
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    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.74." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/mDivp-xylenesmassconcentration" />
    <attribute name="actris_variable_preferred_term" value="m/p-xylenes mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
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  <variable name="qc_m_p_xylene_ng_per_m3_ExpUnc2s" shape="qc_m_p_xylene_ng_per_m3_ExpUnc2s_flags time" type="int">
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  <variable name="meta_m_p_xylene_ng_per_m3_ExpUnc2s" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_m_p_xylene_pmol_per_mol_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_m_p_xylene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="qc_m_p_xylene_pmol_per_mol_ExpUnc2s meta_m_p_xylene_pmol_per_mol_ExpUnc2s" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
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    <attribute name="ebas_data_level" value="2" />
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    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="m-p-xylene" />
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    <attribute name="ebas_matrix" value="air" />
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    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
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    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/mDivp-xylenesamountfraction" />
    <attribute name="actris_variable_preferred_term" value="m/p-xylenes amount fraction" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_m-p-xylene_in_air" />
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    <attribute name="ebas_component" value="m-p-xylene" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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  <variable name="v_m_p_xylene_pmol_per_mol_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_m_p_xylene_in_air" />
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    <attribute name="ebas_component" value="m-p-xylene" />
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    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Dernie, James, james.dernie@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;, &quot;Carpenter, Sion, sion.carpenter@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;" />
    <attribute name="ebas_submitter" value="&quot;Davies, Trevor, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/mDivp-xylenesamountfraction" />
    <attribute name="actris_variable_preferred_term" value="m/p-xylenes amount fraction" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gaschromatograph-online" />
    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_m_p_xylene_pmol_per_mol_precision" shape="qc_m_p_xylene_pmol_per_mol_precision_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_m_p_xylene_pmol_per_mol_precision" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_n_butane_ng_per_m3_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_n-butane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="qc_n_butane_ng_per_m3_amean meta_n_butane_ng_per_m3_amean" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
    <attribute name="ebas_station_code" value="GB0048R" />
    <attribute name="ebas_platform_code" value="GB0048S" />
    <attribute name="ebas_station_name" value="Auchencorth Moss" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
    <attribute name="ebas_station_longitude" type="double" value="-3.2429" />
    <attribute name="ebas_station_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-butane" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
    <attribute name="ebas_instrument_manufacturer" value="PerkinElmer+Varian+Varian" />
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    <attribute name="ebas_instrument_serial_number" value="650N5021501" />
    <attribute name="ebas_method_ref" value="GB02L_HC_Data_Processing_WIs_8" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Manufacturer NPL; Batch D386645" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer NPL; Batch D641887R" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Wide PVCU pipe, ~laminar flow, residence time &lt;1sec" />
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    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="26.0 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Manufacturers quoted detection limit of 10pmol/mol" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Follows ACTRIS_SOP" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
    <attribute name="ebas_organization" value="GB02L, &quot;AEA Technology, National Environmental Techn. Centre&quot;, , , &quot;Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom&quot;, , , , " />
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    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Dernie, James, james.dernie@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;, &quot;Carpenter, Sion, sion.carpenter@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;" />
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    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 2.59. Detection limit converted from '10.0 pmol/mol' to '26.0 ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 2.59." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/n-butanemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="n-butane mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
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    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
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    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
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    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
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  <variable name="qc_n_butane_ng_per_m3_amean" shape="qc_n_butane_ng_per_m3_amean_flags time" type="int">
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_n_butane_ng_per_m3_amean" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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  <variable name="v_n_butane_pmol_per_mol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_butane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
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    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
    <attribute name="ebas_station_code" value="GB0048R" />
    <attribute name="ebas_platform_code" value="GB0048S" />
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    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
    <attribute name="ebas_station_longitude" type="double" value="-3.2429" />
    <attribute name="ebas_station_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-butane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
    <attribute name="ebas_instrument_manufacturer" value="PerkinElmer+Varian+Varian" />
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    <attribute name="ebas_instrument_serial_number" value="650N5021501" />
    <attribute name="ebas_method_ref" value="GB02L_HC_Data_Processing_WIs_8" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Manufacturer NPL; Batch D386645" />
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    <attribute name="ebas_inlet_type" value="Hat or hood" />
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    <attribute name="ebas_measurement_uncertainty_expl" value="Follows ACTRIS_SOP" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
    <attribute name="ebas_organization" value="GB02L, &quot;AEA Technology, National Environmental Techn. Centre&quot;, , , &quot;Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom&quot;, , , , " />
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    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
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    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
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    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/n-butaneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="n-butane amount fraction" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
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    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
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    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
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  <variable name="qc_n_butane_pmol_per_mol_amean" shape="qc_n_butane_pmol_per_mol_amean_flags time" type="int">
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="units" value="1" />
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  <variable name="meta_n_butane_pmol_per_mol_amean" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_n_butane_ng_per_m3_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_n-butane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="qc_n_butane_ng_per_m3_ExpUnc2s meta_n_butane_ng_per_m3_ExpUnc2s" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
    <attribute name="ebas_station_code" value="GB0048R" />
    <attribute name="ebas_platform_code" value="GB0048S" />
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    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
    <attribute name="ebas_station_longitude" type="double" value="-3.2429" />
    <attribute name="ebas_station_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-butane" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
    <attribute name="ebas_instrument_manufacturer" value="PerkinElmer+Varian+Varian" />
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    <attribute name="ebas_instrument_serial_number" value="650N5021501" />
    <attribute name="ebas_method_ref" value="GB02L_HC_Data_Processing_WIs_8" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Manufacturer NPL; Batch D386645" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer NPL; Batch D641887R" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Wide PVCU pipe, ~laminar flow, residence time &lt;1sec" />
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    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Manufacturers quoted detection limit of 10pmol/mol" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Follows ACTRIS_SOP" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
    <attribute name="ebas_organization" value="GB02L, &quot;AEA Technology, National Environmental Techn. Centre&quot;, , , &quot;Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom&quot;, , , , " />
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    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
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  <variable name="qc_n_butane_pmol_per_mol_precision" shape="qc_n_butane_pmol_per_mol_precision_flags time" type="int">
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    <attribute name="standard_name" value="status_flag" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_n-pentane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="qc_n_pentane_ng_per_m3_amean meta_n_pentane_ng_per_m3_amean" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
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    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
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    <attribute name="ebas_platform_code" value="GB0048S" />
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    <attribute name="ebas_station_land_use" value="Agricultural" />
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    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-pentane" />
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    <attribute name="ebas_matrix" value="air" />
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    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
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    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
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    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/n-pentanemassconcentration" />
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  <variable name="qc_n_pentane_ng_per_m3_amean" shape="qc_n_pentane_ng_per_m3_amean_flags time" type="int">
    <attribute name="missing_value" type="int" value="0" />
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  <variable name="meta_n_pentane_ng_per_m3_amean" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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  <variable name="v_n_pentane_pmol_per_mol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_pentane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
    <attribute name="ebas_station_code" value="GB0048R" />
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    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
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    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-pentane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
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    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
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    <attribute name="missing_value" type="int" value="0" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_n-pentane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
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    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
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    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-pentane" />
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    <attribute name="ebas_matrix" value="air" />
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    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
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    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.22." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/n-pentanemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="n-pentane mass concentration" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/n-pentaneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="n-pentane amount fraction" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="standard_name" value="mass_concentration_of_n-pentane_in_air" />
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    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/n-pentaneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="n-pentane amount fraction" />
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    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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  <variable name="v_o_xylene_ng_per_m3_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_o-xylene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="qc_o_xylene_ng_per_m3_amean meta_o_xylene_ng_per_m3_amean" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
    <attribute name="ebas_station_code" value="GB0048R" />
    <attribute name="ebas_platform_code" value="GB0048S" />
    <attribute name="ebas_station_name" value="Auchencorth Moss" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
    <attribute name="ebas_station_longitude" type="double" value="-3.2429" />
    <attribute name="ebas_station_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="o-xylene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
    <attribute name="ebas_instrument_manufacturer" value="PerkinElmer+Varian+Varian" />
    <attribute name="ebas_instrument_model" value="ATD300+GC3800+Saturn MS2200" />
    <attribute name="ebas_instrument_serial_number" value="650N5021501" />
    <attribute name="ebas_method_ref" value="GB02L_HC_Data_Processing_WIs_8" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Manufacturer NPL; Batch D386645" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer NPL; Batch D641887R" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Wide PVCU pipe, ~laminar flow, residence time &lt;1sec" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="47.0 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Manufacturers quoted detection limit of 10pmol/mol" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Follows ACTRIS_SOP" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
    <attribute name="ebas_organization" value="GB02L, &quot;AEA Technology, National Environmental Techn. Centre&quot;, , , &quot;Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Dernie, James, james.dernie@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;, &quot;Carpenter, Sion, sion.carpenter@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;" />
    <attribute name="ebas_submitter" value="&quot;Davies, Trevor, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.74. Detection limit converted from '10.0 pmol/mol' to '47.0 ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.74." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/o-xylenemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="o-xylene mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gaschromatograph-online" />
    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_o_xylene_ng_per_m3_amean" shape="qc_o_xylene_ng_per_m3_amean_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_o_xylene_ng_per_m3_amean" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_o_xylene_pmol_per_mol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_o_xylene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="qc_o_xylene_pmol_per_mol_amean meta_o_xylene_pmol_per_mol_amean" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
    <attribute name="ebas_station_code" value="GB0048R" />
    <attribute name="ebas_platform_code" value="GB0048S" />
    <attribute name="ebas_station_name" value="Auchencorth Moss" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
    <attribute name="ebas_station_longitude" type="double" value="-3.2429" />
    <attribute name="ebas_station_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="o-xylene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
    <attribute name="ebas_instrument_manufacturer" value="PerkinElmer+Varian+Varian" />
    <attribute name="ebas_instrument_model" value="ATD300+GC3800+Saturn MS2200" />
    <attribute name="ebas_instrument_serial_number" value="650N5021501" />
    <attribute name="ebas_method_ref" value="GB02L_HC_Data_Processing_WIs_8" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Manufacturer NPL; Batch D386645" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer NPL; Batch D641887R" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Wide PVCU pipe, ~laminar flow, residence time &lt;1sec" />
    <attribute name="ebas_detection_limit" value="10.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Manufacturers quoted detection limit of 10pmol/mol" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Follows ACTRIS_SOP" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
    <attribute name="ebas_organization" value="GB02L, &quot;AEA Technology, National Environmental Techn. Centre&quot;, , , &quot;Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Dernie, James, james.dernie@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;, &quot;Carpenter, Sion, sion.carpenter@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;" />
    <attribute name="ebas_submitter" value="&quot;Davies, Trevor, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/o-xyleneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="o-xylene amount fraction" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gaschromatograph-online" />
    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_o_xylene_pmol_per_mol_amean" shape="qc_o_xylene_pmol_per_mol_amean_flags time" type="int">
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_o_xylene_pmol_per_mol_amean" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_o_xylene_ng_per_m3_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_o-xylene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="qc_o_xylene_ng_per_m3_ExpUnc2s meta_o_xylene_ng_per_m3_ExpUnc2s" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
    <attribute name="ebas_station_code" value="GB0048R" />
    <attribute name="ebas_platform_code" value="GB0048S" />
    <attribute name="ebas_station_name" value="Auchencorth Moss" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
    <attribute name="ebas_station_longitude" type="double" value="-3.2429" />
    <attribute name="ebas_station_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="o-xylene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
    <attribute name="ebas_instrument_manufacturer" value="PerkinElmer+Varian+Varian" />
    <attribute name="ebas_instrument_model" value="ATD300+GC3800+Saturn MS2200" />
    <attribute name="ebas_instrument_serial_number" value="650N5021501" />
    <attribute name="ebas_method_ref" value="GB02L_HC_Data_Processing_WIs_8" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Manufacturer NPL; Batch D386645" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer NPL; Batch D641887R" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Wide PVCU pipe, ~laminar flow, residence time &lt;1sec" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Manufacturers quoted detection limit of 10pmol/mol" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Follows ACTRIS_SOP" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
    <attribute name="ebas_organization" value="GB02L, &quot;AEA Technology, National Environmental Techn. Centre&quot;, , , &quot;Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom&quot;, , , , " />
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    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Dernie, James, james.dernie@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;, &quot;Carpenter, Sion, sion.carpenter@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;" />
    <attribute name="ebas_submitter" value="&quot;Davies, Trevor, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.74." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/o-xylenemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="o-xylene mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
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    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
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    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_o_xylene_ng_per_m3_ExpUnc2s" shape="qc_o_xylene_ng_per_m3_ExpUnc2s_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_o_xylene_ng_per_m3_ExpUnc2s" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_o_xylene_pmol_per_mol_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_o_xylene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="qc_o_xylene_pmol_per_mol_ExpUnc2s meta_o_xylene_pmol_per_mol_ExpUnc2s" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
    <attribute name="ebas_station_code" value="GB0048R" />
    <attribute name="ebas_platform_code" value="GB0048S" />
    <attribute name="ebas_station_name" value="Auchencorth Moss" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
    <attribute name="ebas_station_longitude" type="double" value="-3.2429" />
    <attribute name="ebas_station_altitude" value="260.0 m" />
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    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="o-xylene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
    <attribute name="ebas_instrument_manufacturer" value="PerkinElmer+Varian+Varian" />
    <attribute name="ebas_instrument_model" value="ATD300+GC3800+Saturn MS2200" />
    <attribute name="ebas_instrument_serial_number" value="650N5021501" />
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    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Manufacturer NPL; Batch D386645" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer NPL; Batch D641887R" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Wide PVCU pipe, ~laminar flow, residence time &lt;1sec" />
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    <attribute name="ebas_measurement_uncertainty_expl" value="Follows ACTRIS_SOP" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
    <attribute name="ebas_organization" value="GB02L, &quot;AEA Technology, National Environmental Techn. Centre&quot;, , , &quot;Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom&quot;, , , , " />
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    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Dernie, James, james.dernie@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;, &quot;Carpenter, Sion, sion.carpenter@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;" />
    <attribute name="ebas_submitter" value="&quot;Davies, Trevor, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/o-xyleneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="o-xylene amount fraction" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
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    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
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    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_o_xylene_pmol_per_mol_ExpUnc2s" shape="qc_o_xylene_pmol_per_mol_ExpUnc2s_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_o_xylene_pmol_per_mol_ExpUnc2s" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_o_xylene_ng_per_m3_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_o-xylene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="qc_o_xylene_ng_per_m3_precision meta_o_xylene_ng_per_m3_precision" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
    <attribute name="ebas_station_code" value="GB0048R" />
    <attribute name="ebas_platform_code" value="GB0048S" />
    <attribute name="ebas_station_name" value="Auchencorth Moss" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
    <attribute name="ebas_station_longitude" type="double" value="-3.2429" />
    <attribute name="ebas_station_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="o-xylene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
    <attribute name="ebas_instrument_manufacturer" value="PerkinElmer+Varian+Varian" />
    <attribute name="ebas_instrument_model" value="ATD300+GC3800+Saturn MS2200" />
    <attribute name="ebas_instrument_serial_number" value="650N5021501" />
    <attribute name="ebas_method_ref" value="GB02L_HC_Data_Processing_WIs_8" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Manufacturer NPL; Batch D386645" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer NPL; Batch D641887R" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Wide PVCU pipe, ~laminar flow, residence time &lt;1sec" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Manufacturers quoted detection limit of 10pmol/mol" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Follows ACTRIS_SOP" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
    <attribute name="ebas_organization" value="GB02L, &quot;AEA Technology, National Environmental Techn. Centre&quot;, , , &quot;Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom&quot;, , , , " />
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    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
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    <attribute name="ebas_submitter" value="&quot;Davies, Trevor, , , , , , , , , &quot;" />
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    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.74." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/o-xylenemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="o-xylene mass concentration" />
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    <attribute name="actris_matrix_preferred_term" value="gas phase" />
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    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
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  <variable name="qc_o_xylene_ng_per_m3_precision" shape="qc_o_xylene_ng_per_m3_precision_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
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  <variable name="meta_o_xylene_ng_per_m3_precision" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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  <variable name="v_o_xylene_pmol_per_mol_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_o_xylene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="qc_o_xylene_pmol_per_mol_precision meta_o_xylene_pmol_per_mol_precision" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
    <attribute name="ebas_station_code" value="GB0048R" />
    <attribute name="ebas_platform_code" value="GB0048S" />
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    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
    <attribute name="ebas_station_longitude" type="double" value="-3.2429" />
    <attribute name="ebas_station_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="o-xylene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
    <attribute name="ebas_instrument_manufacturer" value="PerkinElmer+Varian+Varian" />
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    <attribute name="ebas_instrument_serial_number" value="650N5021501" />
    <attribute name="ebas_method_ref" value="GB02L_HC_Data_Processing_WIs_8" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
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    <attribute name="ebas_inlet_type" value="Hat or hood" />
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    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
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    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
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    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
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    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/o-xyleneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="o-xylene amount fraction" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
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    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_o_xylene_pmol_per_mol_precision" shape="qc_o_xylene_pmol_per_mol_precision_flags time" type="int">
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_o_xylene_pmol_per_mol_precision" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_propane_ng_per_m3_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_propane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="qc_propane_ng_per_m3_amean meta_propane_ng_per_m3_amean" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
    <attribute name="ebas_station_code" value="GB0048R" />
    <attribute name="ebas_platform_code" value="GB0048S" />
    <attribute name="ebas_station_name" value="Auchencorth Moss" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
    <attribute name="ebas_station_longitude" type="double" value="-3.2429" />
    <attribute name="ebas_station_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="propane" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
    <attribute name="ebas_instrument_manufacturer" value="PerkinElmer+Varian+Varian" />
    <attribute name="ebas_instrument_model" value="ATD300+GC3800+Saturn MS2200" />
    <attribute name="ebas_instrument_serial_number" value="650N5021501" />
    <attribute name="ebas_method_ref" value="GB02L_HC_Data_Processing_WIs_8" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Manufacturer NPL; Batch D386645" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer NPL; Batch D641887R" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Wide PVCU pipe, ~laminar flow, residence time &lt;1sec" />
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    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="20.0 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Manufacturers quoted detection limit of 10pmol/mol" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Follows ACTRIS_SOP" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
    <attribute name="ebas_organization" value="GB02L, &quot;AEA Technology, National Environmental Techn. Centre&quot;, , , &quot;Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Dernie, James, james.dernie@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;, &quot;Carpenter, Sion, sion.carpenter@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;" />
    <attribute name="ebas_submitter" value="&quot;Davies, Trevor, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 1.97. Detection limit converted from '10.0 pmol/mol' to '20.0 ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 1.97." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/propanemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="propane mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gaschromatograph-online" />
    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_propane_ng_per_m3_amean" shape="qc_propane_ng_per_m3_amean_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_propane_ng_per_m3_amean" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_propane_pmol_per_mol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_propane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="qc_propane_pmol_per_mol_amean meta_propane_pmol_per_mol_amean" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
    <attribute name="ebas_station_code" value="GB0048R" />
    <attribute name="ebas_platform_code" value="GB0048S" />
    <attribute name="ebas_station_name" value="Auchencorth Moss" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
    <attribute name="ebas_station_longitude" type="double" value="-3.2429" />
    <attribute name="ebas_station_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="propane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
    <attribute name="ebas_instrument_manufacturer" value="PerkinElmer+Varian+Varian" />
    <attribute name="ebas_instrument_model" value="ATD300+GC3800+Saturn MS2200" />
    <attribute name="ebas_instrument_serial_number" value="650N5021501" />
    <attribute name="ebas_method_ref" value="GB02L_HC_Data_Processing_WIs_8" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Manufacturer NPL; Batch D386645" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer NPL; Batch D641887R" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Wide PVCU pipe, ~laminar flow, residence time &lt;1sec" />
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    <attribute name="ebas_detection_limit_expl" value="Manufacturers quoted detection limit of 10pmol/mol" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Follows ACTRIS_SOP" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
    <attribute name="ebas_organization" value="GB02L, &quot;AEA Technology, National Environmental Techn. Centre&quot;, , , &quot;Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom&quot;, , , , " />
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    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
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    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
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    <attribute name="ebas_submitter" value="&quot;Davies, Trevor, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/propaneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="propane amount fraction" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gaschromatograph-online" />
    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_propane_pmol_per_mol_amean" shape="qc_propane_pmol_per_mol_amean_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_propane_pmol_per_mol_amean" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_propane_ng_per_m3_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_propane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="qc_propane_ng_per_m3_ExpUnc2s meta_propane_ng_per_m3_ExpUnc2s" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
    <attribute name="ebas_station_code" value="GB0048R" />
    <attribute name="ebas_platform_code" value="GB0048S" />
    <attribute name="ebas_station_name" value="Auchencorth Moss" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
    <attribute name="ebas_station_longitude" type="double" value="-3.2429" />
    <attribute name="ebas_station_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="propane" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
    <attribute name="ebas_instrument_manufacturer" value="PerkinElmer+Varian+Varian" />
    <attribute name="ebas_instrument_model" value="ATD300+GC3800+Saturn MS2200" />
    <attribute name="ebas_instrument_serial_number" value="650N5021501" />
    <attribute name="ebas_method_ref" value="GB02L_HC_Data_Processing_WIs_8" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Manufacturer NPL; Batch D386645" />
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    <attribute name="ebas_inlet_type" value="Hat or hood" />
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    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
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    <attribute name="ebas_measurement_uncertainty_expl" value="Follows ACTRIS_SOP" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
    <attribute name="ebas_organization" value="GB02L, &quot;AEA Technology, National Environmental Techn. Centre&quot;, , , &quot;Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom&quot;, , , , " />
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    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Dernie, James, james.dernie@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;, &quot;Carpenter, Sion, sion.carpenter@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;" />
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    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 1.97." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/propanemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="propane mass concentration" />
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    <attribute name="actris_matrix_preferred_term" value="gas phase" />
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    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
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    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
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  <variable name="qc_propane_ng_per_m3_ExpUnc2s" shape="qc_propane_ng_per_m3_ExpUnc2s_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_propane_ng_per_m3_ExpUnc2s" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_propane_pmol_per_mol_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_propane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="qc_propane_pmol_per_mol_ExpUnc2s meta_propane_pmol_per_mol_ExpUnc2s" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
    <attribute name="ebas_station_code" value="GB0048R" />
    <attribute name="ebas_platform_code" value="GB0048S" />
    <attribute name="ebas_station_name" value="Auchencorth Moss" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
    <attribute name="ebas_station_longitude" type="double" value="-3.2429" />
    <attribute name="ebas_station_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="propane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
    <attribute name="ebas_instrument_manufacturer" value="PerkinElmer+Varian+Varian" />
    <attribute name="ebas_instrument_model" value="ATD300+GC3800+Saturn MS2200" />
    <attribute name="ebas_instrument_serial_number" value="650N5021501" />
    <attribute name="ebas_method_ref" value="GB02L_HC_Data_Processing_WIs_8" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Manufacturer NPL; Batch D386645" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer NPL; Batch D641887R" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Wide PVCU pipe, ~laminar flow, residence time &lt;1sec" />
    <attribute name="ebas_detection_limit_expl" value="Manufacturers quoted detection limit of 10pmol/mol" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Follows ACTRIS_SOP" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
    <attribute name="ebas_organization" value="GB02L, &quot;AEA Technology, National Environmental Techn. Centre&quot;, , , &quot;Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom&quot;, , , , " />
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    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Dernie, James, james.dernie@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;, &quot;Carpenter, Sion, sion.carpenter@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;" />
    <attribute name="ebas_submitter" value="&quot;Davies, Trevor, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/propaneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="propane amount fraction" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gaschromatograph-online" />
    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_propane_pmol_per_mol_ExpUnc2s" shape="qc_propane_pmol_per_mol_ExpUnc2s_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_propane_pmol_per_mol_ExpUnc2s" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_propane_ng_per_m3_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_propane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="qc_propane_ng_per_m3_precision meta_propane_ng_per_m3_precision" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
    <attribute name="ebas_station_code" value="GB0048R" />
    <attribute name="ebas_platform_code" value="GB0048S" />
    <attribute name="ebas_station_name" value="Auchencorth Moss" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
    <attribute name="ebas_station_longitude" type="double" value="-3.2429" />
    <attribute name="ebas_station_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="propane" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
    <attribute name="ebas_instrument_manufacturer" value="PerkinElmer+Varian+Varian" />
    <attribute name="ebas_instrument_model" value="ATD300+GC3800+Saturn MS2200" />
    <attribute name="ebas_instrument_serial_number" value="650N5021501" />
    <attribute name="ebas_method_ref" value="GB02L_HC_Data_Processing_WIs_8" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Manufacturer NPL; Batch D386645" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer NPL; Batch D641887R" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Wide PVCU pipe, ~laminar flow, residence time &lt;1sec" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Manufacturers quoted detection limit of 10pmol/mol" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Follows ACTRIS_SOP" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
    <attribute name="ebas_organization" value="GB02L, &quot;AEA Technology, National Environmental Techn. Centre&quot;, , , &quot;Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Dernie, James, james.dernie@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;, &quot;Carpenter, Sion, sion.carpenter@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;" />
    <attribute name="ebas_submitter" value="&quot;Davies, Trevor, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 1.97." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/propanemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="propane mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gaschromatograph-online" />
    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_propane_ng_per_m3_precision" shape="qc_propane_ng_per_m3_precision_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_propane_ng_per_m3_precision" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_propane_pmol_per_mol_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_propane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="qc_propane_pmol_per_mol_precision meta_propane_pmol_per_mol_precision" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
    <attribute name="ebas_station_code" value="GB0048R" />
    <attribute name="ebas_platform_code" value="GB0048S" />
    <attribute name="ebas_station_name" value="Auchencorth Moss" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
    <attribute name="ebas_station_longitude" type="double" value="-3.2429" />
    <attribute name="ebas_station_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="propane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
    <attribute name="ebas_instrument_manufacturer" value="PerkinElmer+Varian+Varian" />
    <attribute name="ebas_instrument_model" value="ATD300+GC3800+Saturn MS2200" />
    <attribute name="ebas_instrument_serial_number" value="650N5021501" />
    <attribute name="ebas_method_ref" value="GB02L_HC_Data_Processing_WIs_8" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Manufacturer NPL; Batch D386645" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer NPL; Batch D641887R" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Wide PVCU pipe, ~laminar flow, residence time &lt;1sec" />
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    <attribute name="ebas_measurement_uncertainty_expl" value="Follows ACTRIS_SOP" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
    <attribute name="ebas_organization" value="GB02L, &quot;AEA Technology, National Environmental Techn. Centre&quot;, , , &quot;Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom&quot;, , , , " />
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    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
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    <attribute name="ebas_submitter" value="&quot;Davies, Trevor, , , , , , , , , &quot;" />
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    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/propaneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="propane amount fraction" />
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    <attribute name="actris_matrix_preferred_term" value="gas phase" />
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    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
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    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
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    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
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  <variable name="qc_propane_pmol_per_mol_precision" shape="qc_propane_pmol_per_mol_precision_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
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    <attribute name="units" value="1" />
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  <variable name="meta_propane_pmol_per_mol_precision" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_propene_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_propene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="qc_propene_amean meta_propene_amean" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
    <attribute name="ebas_station_code" value="GB0048R" />
    <attribute name="ebas_platform_code" value="GB0048S" />
    <attribute name="ebas_station_name" value="Auchencorth Moss" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
    <attribute name="ebas_station_longitude" type="double" value="-3.2429" />
    <attribute name="ebas_station_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="propene" />
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    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
    <attribute name="ebas_instrument_manufacturer" value="PerkinElmer+Varian+Varian" />
    <attribute name="ebas_instrument_model" value="ATD300+GC3800+Saturn MS2200" />
    <attribute name="ebas_instrument_serial_number" value="650N5021501" />
    <attribute name="ebas_method_ref" value="GB02L_HC_Data_Processing_WIs_8" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Manufacturer NPL; Batch D386645" />
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    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Wide PVCU pipe, ~laminar flow, residence time &lt;1sec" />
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    <attribute name="ebas_detection_limit_expl" value="Manufacturers quoted detection limit of 10pmol/mol" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Follows ACTRIS_SOP" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
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    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Dernie, James, james.dernie@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;, &quot;Carpenter, Sion, sion.carpenter@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;" />
    <attribute name="ebas_submitter" value="&quot;Davies, Trevor, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/propeneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="propene amount fraction" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gaschromatograph-online" />
    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
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    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_propene_amean" shape="qc_propene_amean_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_propene_amean" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_propene_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_propene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="qc_propene_ExpUnc2s meta_propene_ExpUnc2s" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
    <attribute name="ebas_station_code" value="GB0048R" />
    <attribute name="ebas_platform_code" value="GB0048S" />
    <attribute name="ebas_station_name" value="Auchencorth Moss" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
    <attribute name="ebas_station_longitude" type="double" value="-3.2429" />
    <attribute name="ebas_station_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="propene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
    <attribute name="ebas_instrument_manufacturer" value="PerkinElmer+Varian+Varian" />
    <attribute name="ebas_instrument_model" value="ATD300+GC3800+Saturn MS2200" />
    <attribute name="ebas_instrument_serial_number" value="650N5021501" />
    <attribute name="ebas_method_ref" value="GB02L_HC_Data_Processing_WIs_8" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Manufacturer NPL; Batch D386645" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer NPL; Batch D641887R" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Wide PVCU pipe, ~laminar flow, residence time &lt;1sec" />
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    <attribute name="ebas_measurement_uncertainty_expl" value="Follows ACTRIS_SOP" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
    <attribute name="ebas_organization" value="GB02L, &quot;AEA Technology, National Environmental Techn. Centre&quot;, , , &quot;Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom&quot;, , , , " />
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    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Dernie, James, james.dernie@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;, &quot;Carpenter, Sion, sion.carpenter@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;" />
    <attribute name="ebas_submitter" value="&quot;Davies, Trevor, , , , , , , , , &quot;" />
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    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/propeneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="propene amount fraction" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gaschromatograph-online" />
    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
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    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
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  <variable name="qc_propene_ExpUnc2s" shape="qc_propene_ExpUnc2s_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_propene_ExpUnc2s" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_propene_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_propene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="qc_propene_precision meta_propene_precision" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
    <attribute name="ebas_station_code" value="GB0048R" />
    <attribute name="ebas_platform_code" value="GB0048S" />
    <attribute name="ebas_station_name" value="Auchencorth Moss" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
    <attribute name="ebas_station_longitude" type="double" value="-3.2429" />
    <attribute name="ebas_station_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="propene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
    <attribute name="ebas_instrument_manufacturer" value="PerkinElmer+Varian+Varian" />
    <attribute name="ebas_instrument_model" value="ATD300+GC3800+Saturn MS2200" />
    <attribute name="ebas_instrument_serial_number" value="650N5021501" />
    <attribute name="ebas_method_ref" value="GB02L_HC_Data_Processing_WIs_8" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Manufacturer NPL; Batch D386645" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer NPL; Batch D641887R" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Wide PVCU pipe, ~laminar flow, residence time &lt;1sec" />
    <attribute name="ebas_detection_limit_expl" value="Manufacturers quoted detection limit of 10pmol/mol" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Follows ACTRIS_SOP" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
    <attribute name="ebas_organization" value="GB02L, &quot;AEA Technology, National Environmental Techn. Centre&quot;, , , &quot;Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom&quot;, , , , " />
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    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Dernie, James, james.dernie@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;, &quot;Carpenter, Sion, sion.carpenter@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;" />
    <attribute name="ebas_submitter" value="&quot;Davies, Trevor, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/propeneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="propene amount fraction" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
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    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gaschromatograph-online" />
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    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
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    <attribute name="actris_temporal_resolution" value="PT1H" />
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  <variable name="qc_propene_precision" shape="qc_propene_precision_flags time" type="int">
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
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  </variable>
  <variable name="meta_propene_precision" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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  <variable name="v_toluene_ng_per_m3_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_toluene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="qc_toluene_ng_per_m3_amean meta_toluene_ng_per_m3_amean" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
    <attribute name="ebas_station_code" value="GB0048R" />
    <attribute name="ebas_platform_code" value="GB0048S" />
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    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
    <attribute name="ebas_station_longitude" type="double" value="-3.2429" />
    <attribute name="ebas_station_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="toluene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
    <attribute name="ebas_instrument_manufacturer" value="PerkinElmer+Varian+Varian" />
    <attribute name="ebas_instrument_model" value="ATD300+GC3800+Saturn MS2200" />
    <attribute name="ebas_instrument_serial_number" value="650N5021501" />
    <attribute name="ebas_method_ref" value="GB02L_HC_Data_Processing_WIs_8" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Manufacturer NPL; Batch D386645" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer NPL; Batch D641887R" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Wide PVCU pipe, ~laminar flow, residence time &lt;1sec" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="41.0 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Manufacturers quoted detection limit of 10pmol/mol" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Follows ACTRIS_SOP" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
    <attribute name="ebas_organization" value="GB02L, &quot;AEA Technology, National Environmental Techn. Centre&quot;, , , &quot;Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Dernie, James, james.dernie@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;, &quot;Carpenter, Sion, sion.carpenter@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;" />
    <attribute name="ebas_submitter" value="&quot;Davies, Trevor, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.11. Detection limit converted from '10.0 pmol/mol' to '41.0 ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.11." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/toluenemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="toluene mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gaschromatograph-online" />
    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_toluene_ng_per_m3_amean" shape="qc_toluene_ng_per_m3_amean_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_toluene_ng_per_m3_amean" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_toluene_pmol_per_mol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_toluene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="qc_toluene_pmol_per_mol_amean meta_toluene_pmol_per_mol_amean" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
    <attribute name="ebas_station_code" value="GB0048R" />
    <attribute name="ebas_platform_code" value="GB0048S" />
    <attribute name="ebas_station_name" value="Auchencorth Moss" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
    <attribute name="ebas_station_longitude" type="double" value="-3.2429" />
    <attribute name="ebas_station_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="toluene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
    <attribute name="ebas_instrument_manufacturer" value="PerkinElmer+Varian+Varian" />
    <attribute name="ebas_instrument_model" value="ATD300+GC3800+Saturn MS2200" />
    <attribute name="ebas_instrument_serial_number" value="650N5021501" />
    <attribute name="ebas_method_ref" value="GB02L_HC_Data_Processing_WIs_8" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Manufacturer NPL; Batch D386645" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer NPL; Batch D641887R" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Wide PVCU pipe, ~laminar flow, residence time &lt;1sec" />
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    <attribute name="ebas_detection_limit_expl" value="Manufacturers quoted detection limit of 10pmol/mol" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Follows ACTRIS_SOP" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
    <attribute name="ebas_organization" value="GB02L, &quot;AEA Technology, National Environmental Techn. Centre&quot;, , , &quot;Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom&quot;, , , , " />
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    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Dernie, James, james.dernie@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;, &quot;Carpenter, Sion, sion.carpenter@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;" />
    <attribute name="ebas_submitter" value="&quot;Davies, Trevor, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/tolueneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="toluene amount fraction" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gaschromatograph-online" />
    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_toluene_pmol_per_mol_amean" shape="qc_toluene_pmol_per_mol_amean_flags time" type="int">
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_toluene_pmol_per_mol_amean" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_toluene_ng_per_m3_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_toluene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="qc_toluene_ng_per_m3_ExpUnc2s meta_toluene_ng_per_m3_ExpUnc2s" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
    <attribute name="ebas_station_code" value="GB0048R" />
    <attribute name="ebas_platform_code" value="GB0048S" />
    <attribute name="ebas_station_name" value="Auchencorth Moss" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
    <attribute name="ebas_station_longitude" type="double" value="-3.2429" />
    <attribute name="ebas_station_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="toluene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
    <attribute name="ebas_instrument_manufacturer" value="PerkinElmer+Varian+Varian" />
    <attribute name="ebas_instrument_model" value="ATD300+GC3800+Saturn MS2200" />
    <attribute name="ebas_instrument_serial_number" value="650N5021501" />
    <attribute name="ebas_method_ref" value="GB02L_HC_Data_Processing_WIs_8" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Manufacturer NPL; Batch D386645" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer NPL; Batch D641887R" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Wide PVCU pipe, ~laminar flow, residence time &lt;1sec" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
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    <attribute name="ebas_measurement_uncertainty_expl" value="Follows ACTRIS_SOP" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
    <attribute name="ebas_organization" value="GB02L, &quot;AEA Technology, National Environmental Techn. Centre&quot;, , , &quot;Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom&quot;, , , , " />
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    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
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    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
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    <attribute name="ebas_submitter" value="&quot;Davies, Trevor, , , , , , , , , &quot;" />
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    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.11." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/toluenemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="toluene mass concentration" />
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    <attribute name="actris_matrix_preferred_term" value="gas phase" />
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    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
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    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
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  <variable name="qc_toluene_ng_per_m3_ExpUnc2s" shape="qc_toluene_ng_per_m3_ExpUnc2s_flags time" type="int">
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="units" value="1" />
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  <variable name="meta_toluene_ng_per_m3_ExpUnc2s" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_toluene_pmol_per_mol_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_toluene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
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    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
    <attribute name="ebas_station_code" value="GB0048R" />
    <attribute name="ebas_platform_code" value="GB0048S" />
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    <attribute name="ebas_station_land_use" value="Agricultural" />
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    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
    <attribute name="ebas_station_longitude" type="double" value="-3.2429" />
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    <attribute name="ebas_measurement_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="toluene" />
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    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
    <attribute name="ebas_instrument_manufacturer" value="PerkinElmer+Varian+Varian" />
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    <attribute name="ebas_instrument_serial_number" value="650N5021501" />
    <attribute name="ebas_method_ref" value="GB02L_HC_Data_Processing_WIs_8" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Manufacturer NPL; Batch D386645" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer NPL; Batch D641887R" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
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    <attribute name="ebas_measurement_uncertainty_expl" value="Follows ACTRIS_SOP" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
    <attribute name="ebas_organization" value="GB02L, &quot;AEA Technology, National Environmental Techn. Centre&quot;, , , &quot;Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom&quot;, , , , " />
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    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Dernie, James, james.dernie@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;, &quot;Carpenter, Sion, sion.carpenter@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;" />
    <attribute name="ebas_submitter" value="&quot;Davies, Trevor, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/tolueneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="toluene amount fraction" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gaschromatograph-online" />
    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
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  <variable name="qc_toluene_pmol_per_mol_ExpUnc2s" shape="qc_toluene_pmol_per_mol_ExpUnc2s_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_toluene_pmol_per_mol_ExpUnc2s" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_toluene_ng_per_m3_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_toluene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="qc_toluene_ng_per_m3_precision meta_toluene_ng_per_m3_precision" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
    <attribute name="ebas_station_code" value="GB0048R" />
    <attribute name="ebas_platform_code" value="GB0048S" />
    <attribute name="ebas_station_name" value="Auchencorth Moss" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
    <attribute name="ebas_station_longitude" type="double" value="-3.2429" />
    <attribute name="ebas_station_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="toluene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
    <attribute name="ebas_instrument_manufacturer" value="PerkinElmer+Varian+Varian" />
    <attribute name="ebas_instrument_model" value="ATD300+GC3800+Saturn MS2200" />
    <attribute name="ebas_instrument_serial_number" value="650N5021501" />
    <attribute name="ebas_method_ref" value="GB02L_HC_Data_Processing_WIs_8" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Manufacturer NPL; Batch D386645" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer NPL; Batch D641887R" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Wide PVCU pipe, ~laminar flow, residence time &lt;1sec" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Manufacturers quoted detection limit of 10pmol/mol" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Follows ACTRIS_SOP" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
    <attribute name="ebas_organization" value="GB02L, &quot;AEA Technology, National Environmental Techn. Centre&quot;, , , &quot;Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Dernie, James, james.dernie@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;, &quot;Carpenter, Sion, sion.carpenter@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;" />
    <attribute name="ebas_submitter" value="&quot;Davies, Trevor, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.11." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/toluenemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="toluene mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gaschromatograph-online" />
    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_toluene_ng_per_m3_precision" shape="qc_toluene_ng_per_m3_precision_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_toluene_ng_per_m3_precision" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_toluene_pmol_per_mol_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_toluene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="qc_toluene_pmol_per_mol_precision meta_toluene_pmol_per_mol_precision" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-26T00:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="40mn" />
    <attribute name="ebas_orig_time_res" value="40mn" />
    <attribute name="ebas_station_code" value="GB0048R" />
    <attribute name="ebas_platform_code" value="GB0048S" />
    <attribute name="ebas_station_name" value="Auchencorth Moss" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_latitude" type="double" value="55.79216" />
    <attribute name="ebas_station_longitude" type="double" value="-3.2429" />
    <attribute name="ebas_station_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_altitude" value="260.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="toluene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Perkin_Elmer_GC_FID" />
    <attribute name="ebas_instrument_manufacturer" value="PerkinElmer+Varian+Varian" />
    <attribute name="ebas_instrument_model" value="ATD300+GC3800+Saturn MS2200" />
    <attribute name="ebas_instrument_serial_number" value="650N5021501" />
    <attribute name="ebas_method_ref" value="GB02L_HC_Data_Processing_WIs_8" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Manufacturer NPL; Batch D386645" />
    <attribute name="ebas_secondary_standard_id" value="Manufacturer NPL; Batch D641887R" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Wide PVCU pipe, ~laminar flow, residence time &lt;1sec" />
    <attribute name="ebas_detection_limit_expl" value="Manufacturers quoted detection limit of 10pmol/mol" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Follows ACTRIS_SOP" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values are replaced by the Detection limit value" />
    <attribute name="ebas_organization" value="GB02L, &quot;AEA Technology, National Environmental Techn. Centre&quot;, , , &quot;Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom&quot;, , , , " />
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    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Dernie, James, james.dernie@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;, &quot;Carpenter, Sion, sion.carpenter@ricardo.com, Ricardo, REE, Energy &amp; Environment, The Gemini Building, Fermi Avenue, OX11 0QR, Didcot, UK&quot;" />
    <attribute name="ebas_submitter" value="&quot;Davies, Trevor, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Preconcentration TurboMatrix, no ozone scrubber, nafion dryer, 14 day calibration interval for 4 samples at 4nmol/mol" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/tolueneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="toluene amount fraction" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gaschromatograph-online" />
    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_toluene_pmol_per_mol_precision" shape="qc_toluene_pmol_per_mol_precision_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_toluene_pmol_per_mol_precision" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="time" shape="time" type="double">
    <attribute name="long_name" value="time of measurement" />
    <attribute name="standard_name" value="time" />
    <attribute name="units" value="days since 1900-01-01T00:00:00Z" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="standard" />
    <attribute name="bounds" value="time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
  </variable>
  <variable name="metadata_time" shape="metadata_time" type="double">
    <attribute name="long_name" value="time of ebas metadata intervals" />
    <attribute name="standard_name" value="time" />
    <attribute name="units" value="days since 1900-01-01T00:00:00Z" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="standard" />
    <attribute name="bounds" value="metadata_time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
  </variable>
</netcdf>
