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  <attribute name="Conventions" value="CF-1.8, ACDD-1.3" />
  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="1-2-dichloroethane, greenhouse gases (other halogenated) and VOC (hydrocarbons) at TMEG01 Engis" />
  <attribute name="summary" value="1-2-dichloroethane, greenhouse gases (other halogenated) and VOC (hydrocarbons) at TMEG01 Engis. These measurements are gathered as a part of the following projects CAMPAIGN and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: ['1-2-4-trimethylbenzene in air (mole_fraction_of_124_trimethylbenzene_in_air)', '1-2-4-trimethylbenzene in air (mass_concentration_of_1-2-4-trimethylbenzene_in_air)', '1-2-dichloroethane in air (mass_concentration_of_1-2-dichloroethane_in_air)', '1-2-dichloroethane in air', '1-3-5-trimethylbenzene in air (mole_fraction_of_135_trimethylbenzene_in_air)', '1-3-5-trimethylbenzene in air (mass_concentration_of_1-3-5-trimethylbenzene_in_air)', '1-butene in air (mass_concentration_of_1-butene_in_air)', '1-butene in air (mole_fraction_of_1_butene_in_air)', '2-2-4-trimethylpentane in air (mass_concentration_of_2-2-4-trimethylpentane_in_air)', '2-2-4-trimethylpentane in air (mole_fraction_of_224_trimethylpentane_in_air)', '2-methyl-2-butene in air (mass_concentration_of_2-methyl-2-butene_in_air)', '2-methyl-2-butene in air (mole_fraction_of_2_methyl_2_butene_in_air)', '2-methylbutane in air (mass_concentration_of_2-methylbutane_in_air)', '2-methylbutane in air (mole_fraction_of_2_methylbutane_in_air)', '2-methylpentane in air (mass_concentration_of_2-methylpentane_in_air)', '2-methylpentane in air (mole_fraction_of_2_methylpentane_in_air)', '3-methylpentane in air (mass_concentration_of_3-methylpentane_in_air)', '3-methylpentane in air (mole_fraction_of_3_methylpentane_in_air)', 'alpha-pinene in air (mole_fraction_of_alpha-pinene_in_air)', 'alpha-pinene in air (mole_fraction_of_alpha_pinene_in_air)', 'benzene in air (mole_fraction_of_benzene_in_air)', 'beta-pinene in air (mole_fraction_of_beta-pinene_in_air)', 'beta-pinene in air (mole_fraction_of_beta_pinene_in_air)', 'cis-2-butene in air (mass_concentration_of_cis-2-butene_in_air)', 'cis-2-butene in air (mole_fraction_of_cis_2_butene_in_air)', 'dichloromethane in air (mass_concentration_of_dichloromethane_in_air)', 'dichloromethane in air (mass_fraction_of_dichloromethane_in_air)', 'ethylbenzene in air (mole_fraction_of_ethylbenzene_in_air)', 'isoprene in air (mass_concentration_of_isoprene_in_air)', 'isoprene in air (mole_fraction_of_isoprene_in_air)', 'limonene in air (mole_fraction_of_limonene_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-heptane in air (mass_concentration_of_n-heptane_in_air)', 'n-heptane in air (mole_fraction_of_heptane_in_air)', 'n-hexane in air (mass_concentration_of_n-hexane_in_air)', 'n-hexane in air (mole_fraction_of_hexane_in_air)', 'n-octane in air (mole_fraction_of_n-octane_in_air)', 'n-octane in air (mole_fraction_of_octane_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)', 'tetrachloroethene in air (mass_concentration_of_tetrachloroethene_in_air)', 'tetrachloroethene in air (mass_fraction_of_tetrachloroethene_in_air)', 'toluene in air (mole_fraction_of_toluene_in_air)', 'trans-2-butene in air (mass_concentration_of_trans-2-butene_in_air)', 'trans-2-butene in air (mole_fraction_of_trans_2_butene_in_air)', 'trichloroethene in air (mass_concentration_of_trichloroethene_in_air)', 'trichloroethene in air (mass_fraction_of_trichloroethene_in_air)']" />
  <attribute name="keywords" value="&quot;TMEG01 Engis&quot; BE0018U 1-2-4-trimethylbenzene 1-2-dichloroethane 1-3-5-trimethylbenzene 1-butene 2-2-4-trimethylpentane 2-methyl-2-butene 2-methylbutane 2-methylpentane 3-methylpentane alpha-pinene benzene beta-pinene cis-2-butene dichloromethane ethylbenzene isoprene limonene m-p-xylene n-butane n-heptane n-hexane n-octane n-pentane o-xylene tetrachloroethene toluene trans-2-butene trichloroethene air CAMPAIGN mole_fraction_of_124_trimethylbenzene_in_air mass_concentration_of_1-2-4-trimethylbenzene_in_air mass_concentration_of_1-2-dichloroethane_in_air mole_fraction_of_135_trimethylbenzene_in_air mass_concentration_of_1-3-5-trimethylbenzene_in_air mass_concentration_of_1-butene_in_air mole_fraction_of_1_butene_in_air mass_concentration_of_2-2-4-trimethylpentane_in_air mole_fraction_of_224_trimethylpentane_in_air mass_concentration_of_2-methyl-2-butene_in_air mole_fraction_of_2_methyl_2_butene_in_air mass_concentration_of_2-methylbutane_in_air mole_fraction_of_2_methylbutane_in_air mass_concentration_of_2-methylpentane_in_air mole_fraction_of_2_methylpentane_in_air mass_concentration_of_3-methylpentane_in_air mole_fraction_of_3_methylpentane_in_air mole_fraction_of_alpha-pinene_in_air mole_fraction_of_alpha_pinene_in_air mole_fraction_of_benzene_in_air mole_fraction_of_beta-pinene_in_air mole_fraction_of_beta_pinene_in_air mass_concentration_of_cis-2-butene_in_air mole_fraction_of_cis_2_butene_in_air mass_concentration_of_dichloromethane_in_air mass_fraction_of_dichloromethane_in_air mole_fraction_of_ethylbenzene_in_air mass_concentration_of_isoprene_in_air mole_fraction_of_isoprene_in_air mole_fraction_of_limonene_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-heptane_in_air mole_fraction_of_heptane_in_air mass_concentration_of_n-hexane_in_air mole_fraction_of_hexane_in_air mole_fraction_of_n-octane_in_air mole_fraction_of_octane_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_tetrachloroethene_in_air mass_fraction_of_tetrachloroethene_in_air mole_fraction_of_toluene_in_air mass_concentration_of_trans-2-butene_in_air mole_fraction_of_trans_2_butene_in_air mass_concentration_of_trichloroethene_in_air mass_fraction_of_trichloroethene_in_air" />
  <attribute name="id" value="QRBQ-6UMA.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="CAMPAIGN" />
  <attribute name="acknowledgement" value="" />
  <attribute name="doi" value="https://doi.org/10.48597/QRBQ-6UMA" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Bergmans, B., Gohy, M., CAMPAIGN, 2024, 1-2-dichloroethane, greenhouse gases (other halogenated) and VOC (hydrocarbons) at TMEG01 Engis, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/QRBQ-6UMA" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="BE01L &quot;Flanders Environment Agency&quot; VMM &quot;Section Air Immissions&quot; &quot;Kronenburgstraat 45&quot; 2000 Antwerpen Belgium" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2026-02-18T10:07:36.306428Z" />
  <attribute name="date_metadata_modified" value="2024-11-29T00:00:00Z" />
  <attribute name="creator_name" value="Benjamin Bergmans, Marie Gohy" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="b.bergmans@issep.be, m.gohy@issep.be" />
  <attribute name="creator_institution" value="&quot;Institut Scientifique de Service Public, 200, ISSeP&quot;, &quot;Institut Scientifique de Service Public, ISSeP&quot;" />
  <attribute name="contributor_name" value="Benjamin Palmaerts" />
  <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 (5.39746727 50.5832142 140)" />
  <attribute name="geospatial_lat_min" type="double" value="50.5832142" />
  <attribute name="geospatial_lat_max" type="double" value="50.5832142" />
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  <attribute name="geospatial_lon_max" type="double" value="5.39746727" />
  <attribute name="geospatial_vertical_min" type="double" value="140.0" />
  <attribute name="geospatial_vertical_max" type="double" value="140.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="time_coverage_start" value="2024-09-01T00:00:00Z" />
  <attribute name="time_coverage_end" value="2024-10-01T00:00:00Z" />
  <attribute name="time_coverage_duration" value="P0000-01-00T00:00:00" />
  <attribute name="time_coverage_resolution" value="P0000-00-01T00:00:00" />
  <attribute name="timezone" value="UTC" />
  <attribute name="ebas_data_definition" value="EBAS_1.1" />
  <attribute name="ebas_data_license" value="" />
  <attribute name="ebas_citation" value="Bergmans, B., Gohy, M., CAMPAIGN, 2024, 1-2-dichloroethane, greenhouse gases (other halogenated) and VOC (hydrocarbons) at TMEG01 Engis, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/QRBQ-6UMA" />
  <attribute name="ebas_set_type_code" value="TU" />
  <attribute name="ebas_timezone" value="UTC" />
  <attribute name="ebas_file_name" value="QRBQ-6UMA.nc" />
  <attribute name="ebas_represents_doi" value="https://doi.org/10.48597/QRBQ-6UMA" />
  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/QRBQ-6UMA" />
  <attribute name="ebas_file_creation" value="2026-05-22T02:10:47.948391Z" />
  <attribute name="ebas_export_state" value="2026-02-18T10:07:36.306428Z" />
  <attribute name="ebas_export_filter" value="exclude-900,exclude-invalid" />
  <attribute name="ebas_startdate" value="2024-09-01T00:00:00.000000Z" />
  <attribute name="ebas_revision_date" value="2024-11-29T00:00:00.000000Z" />
  <attribute name="ebas_version" value="1" />
  <attribute name="ebas_version_description" value="initial revision, automatically generated, manually inspected" />
  <attribute name="ebas_statistics" value="arithmetic mean" />
  <attribute name="ebas_data_level" value="2" />
  <attribute name="ebas_period_code" value="1mo" />
  <attribute name="ebas_resolution_code" value="1d" />
  <attribute name="ebas_sample_duration" value="23h" />
  <attribute name="ebas_orig_time_res" value="1d" />
  <attribute name="ebas_station_code" value="BE0018U" />
  <attribute name="ebas_platform_code" value="BE0018S" />
  <attribute name="ebas_station_name" value="TMEG01 Engis" />
  <attribute name="ebas_station_land_use" value="Industrial" />
  <attribute name="ebas_station_setting" value="Suburban" />
  <attribute name="ebas_station_latitude" type="double" value="50.5832142" />
  <attribute name="ebas_station_longitude" type="double" value="5.39746727" />
  <attribute name="ebas_station_altitude" value="137.0 m" />
  <attribute name="ebas_measurement_altitude" value="140.0 m" />
  <attribute name="ebas_measurement_height" value="3.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_matrix" value="air" />
  <attribute name="ebas_laboratory_code" value="BE01L" />
  <attribute name="ebas_instrument_type" value="ads_tube" />
  <attribute name="ebas_instrument_name" value="AS100-Engis" />
  <attribute name="ebas_instrument_manufacturer" value="Paldaman" />
  <attribute name="ebas_instrument_model" value="AS100" />
  <attribute name="ebas_instrument_serial_number" value="220703" />
  <attribute name="ebas_method_ref" value="BE01L_BE0018U_ads_tube_IMP_2024" />
  <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
  <attribute name="ebas_inlet_type" value="Hat or hood" />
  <attribute name="ebas_inlet_description" value="Glass not heated" />
  <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
  <attribute name="ebas_detection_limit_expl" value="Detection limit equals 3 times the precision" />
  <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
  <attribute name="ebas_zero_negative_values" value="Values below detection limit are flagged with 781" />
  <attribute name="ebas_organization" value="BE01L, Flanders Environment Agency, VMM, Section Air Immissions, Kronenburgstraat 45, , 2000, Antwerpen, Belgium" />
  <attribute name="ebas_framework_acronym" value="CAMPAIGN" />
  <attribute name="ebas_framework_name" value="" />
  <attribute name="ebas_framework_description" value="" />
  <attribute name="ebas_framework_contact_name" value="Wenche Aas" />
  <attribute name="ebas_framework_contact_email" value="waa@nilu.no" />
  <attribute name="ebas_originator" value="&quot;Bergmans, Benjamin, b.bergmans@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chera 200, , 4000 Liege, Belgium&quot;, &quot;Gohy, Marie, m.gohy@issep.be, Institut Scientifique de Service Public, ISSeP, , Rue du Chéra 200, , 4000, Liège, Belgium&quot;" />
  <attribute name="ebas_submitter" value="&quot;Palmaerts, Benjamin, b.palmaerts@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chéra 200, 4000, Liège, Belgium&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 framework: CAMPAIGN. Request acknowledgement details from data originator" />
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  <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="30" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="1" />
  <dimension name="qc_1_2_4_trimethylbenzene_pmol_per_mol_flags" length="2" />
  <dimension name="qc_1_2_4_trimethylbenzene_ug_per_m3_flags" length="2" />
  <dimension name="qc_1_2_dichloroethane_ng_per_m3_flags" length="2" />
  <dimension name="qc_1_2_dichloroethane_pmol_per_mol_flags" length="2" />
  <dimension name="qc_1_3_5_trimethylbenzene_pmol_per_mol_flags" length="2" />
  <dimension name="qc_1_3_5_trimethylbenzene_ug_per_m3_flags" length="2" />
  <dimension name="qc_1_butene_ng_per_m3_flags" length="1" />
  <dimension name="qc_1_butene_pmol_per_mol_flags" length="1" />
  <dimension name="qc_2_2_4_trimethylpentane_ng_per_m3_flags" length="2" />
  <dimension name="qc_2_2_4_trimethylpentane_pmol_per_mol_flags" length="2" />
  <dimension name="qc_2_methyl_2_butene_ng_per_m3_flags" length="2" />
  <dimension name="qc_2_methyl_2_butene_pmol_per_mol_flags" length="2" />
  <dimension name="qc_2_methylbutane_ng_per_m3_flags" length="1" />
  <dimension name="qc_2_methylbutane_pmol_per_mol_flags" length="1" />
  <dimension name="qc_2_methylpentane_ng_per_m3_flags" length="2" />
  <dimension name="qc_2_methylpentane_pmol_per_mol_flags" length="2" />
  <dimension name="qc_3_methylpentane_ng_per_m3_flags" length="2" />
  <dimension name="qc_3_methylpentane_pmol_per_mol_flags" length="2" />
  <dimension name="qc_alpha_pinene_ng_per_m3_flags" length="2" />
  <dimension name="qc_alpha_pinene_pmol_per_mol_flags" length="2" />
  <dimension name="qc_benzene_ng_per_m3_flags" length="1" />
  <dimension name="qc_benzene_pmol_per_mol_flags" length="1" />
  <dimension name="qc_beta_pinene_ng_per_m3_flags" length="2" />
  <dimension name="qc_beta_pinene_pmol_per_mol_flags" length="2" />
  <dimension name="qc_cis_2_butene_ng_per_m3_flags" length="2" />
  <dimension name="qc_cis_2_butene_pmol_per_mol_flags" length="2" />
  <dimension name="qc_dichloromethane_ng_per_m3_flags" length="1" />
  <dimension name="qc_dichloromethane_pmol_per_mol_flags" length="1" />
  <dimension name="qc_ethylbenzene_ng_per_m3_flags" length="2" />
  <dimension name="qc_ethylbenzene_pmol_per_mol_flags" length="2" />
  <dimension name="qc_isoprene_ng_per_m3_flags" length="2" />
  <dimension name="qc_isoprene_pmol_per_mol_flags" length="2" />
  <dimension name="qc_limonene_ng_per_m3_flags" length="2" />
  <dimension name="qc_limonene_pmol_per_mol_flags" length="2" />
  <dimension name="qc_m_p_xylene_ng_per_m3_flags" length="2" />
  <dimension name="qc_m_p_xylene_pmol_per_mol_flags" length="2" />
  <dimension name="qc_n_butane_ng_per_m3_flags" length="1" />
  <dimension name="qc_n_butane_pmol_per_mol_flags" length="1" />
  <dimension name="qc_n_heptane_ng_per_m3_flags" length="2" />
  <dimension name="qc_n_heptane_pmol_per_mol_flags" length="2" />
  <dimension name="qc_n_hexane_ng_per_m3_flags" length="2" />
  <dimension name="qc_n_hexane_pmol_per_mol_flags" length="2" />
  <dimension name="qc_n_octane_ng_per_m3_flags" length="2" />
  <dimension name="qc_n_octane_pmol_per_mol_flags" length="2" />
  <dimension name="qc_n_pentane_ng_per_m3_flags" length="2" />
  <dimension name="qc_n_pentane_pmol_per_mol_flags" length="2" />
  <dimension name="qc_o_xylene_ng_per_m3_flags" length="2" />
  <dimension name="qc_o_xylene_pmol_per_mol_flags" length="2" />
  <dimension name="qc_tetrachloroethene_ng_per_m3_flags" length="2" />
  <dimension name="qc_tetrachloroethene_pmol_per_mol_flags" length="2" />
  <dimension name="qc_toluene_ng_per_m3_flags" length="1" />
  <dimension name="qc_toluene_pmol_per_mol_flags" length="1" />
  <dimension name="qc_trans_2_butene_ng_per_m3_flags" length="2" />
  <dimension name="qc_trans_2_butene_pmol_per_mol_flags" length="2" />
  <dimension name="qc_trichloroethene_ng_per_m3_flags" length="2" />
  <dimension name="qc_trichloroethene_pmol_per_mol_flags" length="2" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2024-09-01T12:00:00Z" />
    <attribute name="time_coverage_end" value="2024-09-30T12:00:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="86400.0" />
    <attribute name="time_coverage_duration" value="P0Y0M29DT0H0M0.000S" />
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    <attribute name="metadata_creation" value="2026-06-05" />
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    <attribute name="long_name" value="time bounds for measurement" />
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    <attribute name="long_name" value="time bounds for ebas metadata intervals" />
  </variable>
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    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_124_trimethylbenzene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="qc_1_2_4_trimethylbenzene_pmol_per_mol meta_1_2_4_trimethylbenzene_pmol_per_mol" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="" />
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    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="23h" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="BE0018U" />
    <attribute name="ebas_platform_code" value="BE0018S" />
    <attribute name="ebas_station_name" value="TMEG01 Engis" />
    <attribute name="ebas_station_land_use" value="Industrial" />
    <attribute name="ebas_station_setting" value="Suburban" />
    <attribute name="ebas_station_latitude" type="double" value="50.5832142" />
    <attribute name="ebas_station_longitude" type="double" value="5.39746727" />
    <attribute name="ebas_station_altitude" value="137.0 m" />
    <attribute name="ebas_measurement_altitude" value="140.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="1-2-4-trimethylbenzene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="BE01L" />
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    <attribute name="ebas_comment" value="EMEP ACTRIS intensive measurement period. Each ads tube is dried during 1h at 15 ml/min with high purity N2." />
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    <attribute name="ebas_comment" value="EMEP ACTRIS intensive measurement period. Each ads tube is dried during 1h at 15 ml/min with high purity N2." />
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    <attribute name="ebas_comment" value="EMEP ACTRIS intensive measurement period. Each ads tube is dried during 1h at 15 ml/min with high purity N2." />
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    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_alpha_pinene_ng_per_m3" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_alpha_pinene_pmol_per_mol" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_alpha_pinene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="qc_alpha_pinene_pmol_per_mol meta_alpha_pinene_pmol_per_mol" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2024-11-29T00:00:00.000000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, automatically generated, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="23h" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="BE0018U" />
    <attribute name="ebas_platform_code" value="BE0018S" />
    <attribute name="ebas_station_name" value="TMEG01 Engis" />
    <attribute name="ebas_station_land_use" value="Industrial" />
    <attribute name="ebas_station_setting" value="Suburban" />
    <attribute name="ebas_station_latitude" type="double" value="50.5832142" />
    <attribute name="ebas_station_longitude" type="double" value="5.39746727" />
    <attribute name="ebas_station_altitude" value="137.0 m" />
    <attribute name="ebas_measurement_altitude" value="140.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="alpha-pinene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="BE01L" />
    <attribute name="ebas_instrument_type" value="ads_tube" />
    <attribute name="ebas_instrument_name" value="AS100-Engis" />
    <attribute name="ebas_instrument_manufacturer" value="Paldaman" />
    <attribute name="ebas_instrument_model" value="AS100" />
    <attribute name="ebas_instrument_serial_number" value="220703" />
    <attribute name="ebas_method_ref" value="BE01L_BE0018U_ads_tube_IMP_2024" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Glass not heated" />
    <attribute name="ebas_volume_std_temperature" value="293.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="13.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Detection limit equals 3 times the precision" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Values below detection limit are flagged with 781" />
    <attribute name="ebas_organization" value="BE01L, Flanders Environment Agency, VMM, Section Air Immissions, Kronenburgstraat 45, , 2000, Antwerpen, Belgium" />
    <attribute name="ebas_framework_acronym" value="CAMPAIGN" />
    <attribute name="ebas_framework_name" value="" />
    <attribute name="ebas_framework_description" value="" />
    <attribute name="ebas_framework_contact_name" value="Wenche Aas" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Bergmans, Benjamin, b.bergmans@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chera 200, , 4000 Liege, Belgium&quot;, &quot;Gohy, Marie, m.gohy@issep.be, Institut Scientifique de Service Public, ISSeP, , Rue du Chéra 200, , 4000, Liège, Belgium&quot;" />
    <attribute name="ebas_submitter" value="&quot;Palmaerts, Benjamin, b.palmaerts@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chéra 200, 4000, Liège, Belgium&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 framework: CAMPAIGN. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="EMEP ACTRIS intensive measurement period. Each ads tube is dried during 1h at 15 ml/min with high purity N2." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/alpha-pineneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="alpha-pinene 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/adsorptiontube" />
    <attribute name="actris_instrument_type_preferred_term" value="adsorption tube" />
    <attribute name="actris_framework_uri" value="" />
    <attribute name="actris_framework_preferred_term" value="" />
    <attribute name="actris_temporal_resolution" value="P1D" />
    <attribute name="actris_access_restriction" type="long" value="1" />
  </variable>
  <variable name="qc_alpha_pinene_pmol_per_mol" shape="qc_alpha_pinene_pmol_per_mol_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_alpha_pinene_pmol_per_mol" 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" 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 meta_benzene_ng_per_m3" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2024-11-29T00:00:00.000000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, automatically generated, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="23h" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="BE0018U" />
    <attribute name="ebas_platform_code" value="BE0018S" />
    <attribute name="ebas_station_name" value="TMEG01 Engis" />
    <attribute name="ebas_station_land_use" value="Industrial" />
    <attribute name="ebas_station_setting" value="Suburban" />
    <attribute name="ebas_station_latitude" type="double" value="50.5832142" />
    <attribute name="ebas_station_longitude" type="double" value="5.39746727" />
    <attribute name="ebas_station_altitude" value="137.0 m" />
    <attribute name="ebas_measurement_altitude" value="140.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 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="BE01L" />
    <attribute name="ebas_instrument_type" value="ads_tube" />
    <attribute name="ebas_instrument_name" value="AS100-Engis" />
    <attribute name="ebas_instrument_manufacturer" value="Paldaman" />
    <attribute name="ebas_instrument_model" value="AS100" />
    <attribute name="ebas_instrument_serial_number" value="220703" />
    <attribute name="ebas_method_ref" value="BE01L_BE0018U_ads_tube_IMP_2024" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Glass not heated" />
    <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="108.0 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Detection limit equals 3 times the precision" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Values below detection limit are flagged with 781" />
    <attribute name="ebas_organization" value="BE01L, Flanders Environment Agency, VMM, Section Air Immissions, Kronenburgstraat 45, , 2000, Antwerpen, Belgium" />
    <attribute name="ebas_framework_acronym" value="CAMPAIGN" />
    <attribute name="ebas_framework_name" value="" />
    <attribute name="ebas_framework_description" value="" />
    <attribute name="ebas_framework_contact_name" value="Wenche Aas" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Bergmans, Benjamin, b.bergmans@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chera 200, , 4000 Liege, Belgium&quot;, &quot;Gohy, Marie, m.gohy@issep.be, Institut Scientifique de Service Public, ISSeP, , Rue du Chéra 200, , 4000, Liège, Belgium&quot;" />
    <attribute name="ebas_submitter" value="&quot;Palmaerts, Benjamin, b.palmaerts@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chéra 200, 4000, Liège, Belgium&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 framework: CAMPAIGN. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="EMEP ACTRIS intensive measurement period. Each ads tube is dried during 1h at 15 ml/min with high purity N2. -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.485. Detection limit converted from '31.0 pmol/mol' to '108.0 ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.485." />
    <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_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/adsorptiontube" />
    <attribute name="actris_instrument_type_preferred_term" value="adsorption tube" />
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    <attribute name="actris_framework_preferred_term" value="" />
    <attribute name="actris_temporal_resolution" value="P1D" />
    <attribute name="actris_access_restriction" type="long" value="1" />
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  <variable name="qc_benzene_ng_per_m3" shape="qc_benzene_ng_per_m3_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" 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" 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 meta_benzene_pmol_per_mol" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2024-11-29T00:00:00.000000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, automatically generated, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="23h" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="BE0018U" />
    <attribute name="ebas_platform_code" value="BE0018S" />
    <attribute name="ebas_station_name" value="TMEG01 Engis" />
    <attribute name="ebas_station_land_use" value="Industrial" />
    <attribute name="ebas_station_setting" value="Suburban" />
    <attribute name="ebas_station_latitude" type="double" value="50.5832142" />
    <attribute name="ebas_station_longitude" type="double" value="5.39746727" />
    <attribute name="ebas_station_altitude" value="137.0 m" />
    <attribute name="ebas_measurement_altitude" value="140.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 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="BE01L" />
    <attribute name="ebas_instrument_type" value="ads_tube" />
    <attribute name="ebas_instrument_name" value="AS100-Engis" />
    <attribute name="ebas_instrument_manufacturer" value="Paldaman" />
    <attribute name="ebas_instrument_model" value="AS100" />
    <attribute name="ebas_instrument_serial_number" value="220703" />
    <attribute name="ebas_method_ref" value="BE01L_BE0018U_ads_tube_IMP_2024" />
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    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Glass not heated" />
    <attribute name="ebas_volume_std_temperature" value="293.15 K" />
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    <attribute name="ebas_detection_limit_expl" value="Detection limit equals 3 times the precision" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
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    <attribute name="ebas_organization" value="BE01L, Flanders Environment Agency, VMM, Section Air Immissions, Kronenburgstraat 45, , 2000, Antwerpen, Belgium" />
    <attribute name="ebas_framework_acronym" value="CAMPAIGN" />
    <attribute name="ebas_framework_name" value="" />
    <attribute name="ebas_framework_description" value="" />
    <attribute name="ebas_framework_contact_name" value="Wenche Aas" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no" />
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    <attribute name="ebas_submitter" value="&quot;Palmaerts, Benjamin, b.palmaerts@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chéra 200, 4000, Liège, Belgium&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 framework: CAMPAIGN. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="EMEP ACTRIS intensive measurement period. Each ads tube is dried during 1h at 15 ml/min with high purity N2." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/benzeneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="benzene amount fraction" />
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    <attribute name="actris_matrix_preferred_term" value="gas phase" />
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    <attribute name="actris_instrument_type_preferred_term" value="adsorption tube" />
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    <attribute name="actris_framework_preferred_term" value="" />
    <attribute name="actris_temporal_resolution" value="P1D" />
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  <variable name="qc_benzene_pmol_per_mol" shape="qc_benzene_pmol_per_mol_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" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_beta_pinene_ng_per_m3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_beta-pinene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="qc_beta_pinene_ng_per_m3 meta_beta_pinene_ng_per_m3" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2024-11-29T00:00:00.000000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, automatically generated, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="23h" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="BE0018U" />
    <attribute name="ebas_platform_code" value="BE0018S" />
    <attribute name="ebas_station_name" value="TMEG01 Engis" />
    <attribute name="ebas_station_land_use" value="Industrial" />
    <attribute name="ebas_station_setting" value="Suburban" />
    <attribute name="ebas_station_latitude" type="double" value="50.5832142" />
    <attribute name="ebas_station_longitude" type="double" value="5.39746727" />
    <attribute name="ebas_station_altitude" value="137.0 m" />
    <attribute name="ebas_measurement_altitude" value="140.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="beta-pinene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="BE01L" />
    <attribute name="ebas_instrument_type" value="ads_tube" />
    <attribute name="ebas_instrument_name" value="AS100-Engis" />
    <attribute name="ebas_instrument_manufacturer" value="Paldaman" />
    <attribute name="ebas_instrument_model" value="AS100" />
    <attribute name="ebas_instrument_serial_number" value="220703" />
    <attribute name="ebas_method_ref" value="BE01L_BE0018U_ads_tube_IMP_2024" />
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    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Glass not heated" />
    <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="79.0 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Detection limit equals 3 times the precision" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Values below detection limit are flagged with 781" />
    <attribute name="ebas_organization" value="BE01L, Flanders Environment Agency, VMM, Section Air Immissions, Kronenburgstraat 45, , 2000, Antwerpen, Belgium" />
    <attribute name="ebas_framework_acronym" value="CAMPAIGN" />
    <attribute name="ebas_framework_name" value="" />
    <attribute name="ebas_framework_description" value="" />
    <attribute name="ebas_framework_contact_name" value="Wenche Aas" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Bergmans, Benjamin, b.bergmans@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chera 200, , 4000 Liege, Belgium&quot;, &quot;Gohy, Marie, m.gohy@issep.be, Institut Scientifique de Service Public, ISSeP, , Rue du Chéra 200, , 4000, Liège, Belgium&quot;" />
    <attribute name="ebas_submitter" value="&quot;Palmaerts, Benjamin, b.palmaerts@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chéra 200, 4000, Liège, Belgium&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 framework: CAMPAIGN. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="EMEP ACTRIS intensive measurement period. Each ads tube is dried during 1h at 15 ml/min with high purity N2. -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 6.08. Detection limit converted from '13.0 pmol/mol' to '79.0 ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 6.08." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/beta-pinenemassconcentration" />
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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="mole_fraction_of_beta_pinene_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="" />
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    <attribute name="ebas_measurement_altitude" value="140.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="beta-pinene" />
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    <attribute name="ebas_framework_contact_name" value="Wenche Aas" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no" />
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    <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 framework: CAMPAIGN. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="EMEP ACTRIS intensive measurement period. Each ads tube is dried during 1h at 15 ml/min with high purity N2." />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="ebas_version_description" value="initial revision, automatically generated, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
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    <attribute name="ebas_comment" value="EMEP ACTRIS intensive measurement period. Each ads tube is dried during 1h at 15 ml/min with high purity N2." />
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    <attribute name="ebas_station_name" value="TMEG01 Engis" />
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    <attribute name="ebas_component" value="dichloromethane" />
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    <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 framework: CAMPAIGN. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="EMEP ACTRIS intensive measurement period. Each ads tube is dried during 1h at 15 ml/min with high purity N2. -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.789. Detection limit converted from '28.0 pmol/mol' to '106.1 ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.789." />
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    <attribute name="missing_value" type="double" value="NaN" />
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    <attribute name="ebas_data_license" value="" />
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    <attribute name="ebas_version_description" value="initial revision, automatically generated, manually inspected" />
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    <attribute name="ebas_data_level" value="2" />
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    <attribute name="ebas_station_code" value="BE0018U" />
    <attribute name="ebas_platform_code" value="BE0018S" />
    <attribute name="ebas_station_name" value="TMEG01 Engis" />
    <attribute name="ebas_station_land_use" value="Industrial" />
    <attribute name="ebas_station_setting" value="Suburban" />
    <attribute name="ebas_station_latitude" type="double" value="50.5832142" />
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    <attribute name="ebas_component" value="dichloromethane" />
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    <attribute name="ebas_framework_description" value="" />
    <attribute name="ebas_framework_contact_name" value="Wenche Aas" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no" />
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    <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 framework: CAMPAIGN. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="EMEP ACTRIS intensive measurement period. Each ads tube is dried during 1h at 15 ml/min with high purity N2." />
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    <attribute name="ebas_component" value="ethylbenzene" />
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    <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 framework: CAMPAIGN. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="EMEP ACTRIS intensive measurement period. Each ads tube is dried during 1h at 15 ml/min with high purity N2. -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.737. Detection limit converted from '23.0 pmol/mol' to '108.9 ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.737." />
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    <attribute name="ebas_component" value="ethylbenzene" />
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    <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 framework: CAMPAIGN. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="EMEP ACTRIS intensive measurement period. Each ads tube is dried during 1h at 15 ml/min with high purity N2." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/ethylbenzeneamountfraction" />
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    <attribute name="standard_name" value="mass_concentration_of_isoprene_in_air" />
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    <attribute name="ebas_station_latitude" type="double" value="50.5832142" />
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    <attribute name="ebas_measurement_height" value="3.0 m" />
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    <attribute name="ebas_component" value="isoprene" />
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    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="BE01L" />
    <attribute name="ebas_instrument_type" value="ads_tube" />
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    <attribute name="ebas_instrument_manufacturer" value="Paldaman" />
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    <attribute name="ebas_detection_limit_expl" value="Detection limit equals 3 times the precision" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
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    <attribute name="ebas_organization" value="BE01L, Flanders Environment Agency, VMM, Section Air Immissions, Kronenburgstraat 45, , 2000, Antwerpen, Belgium" />
    <attribute name="ebas_framework_acronym" value="CAMPAIGN" />
    <attribute name="ebas_framework_name" value="" />
    <attribute name="ebas_framework_description" value="" />
    <attribute name="ebas_framework_contact_name" value="Wenche Aas" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Bergmans, Benjamin, b.bergmans@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chera 200, , 4000 Liege, Belgium&quot;, &quot;Gohy, Marie, m.gohy@issep.be, Institut Scientifique de Service Public, ISSeP, , Rue du Chéra 200, , 4000, Liège, Belgium&quot;" />
    <attribute name="ebas_submitter" value="&quot;Palmaerts, Benjamin, b.palmaerts@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chéra 200, 4000, Liège, Belgium&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 framework: CAMPAIGN. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="EMEP ACTRIS intensive measurement period. Each ads tube is dried during 1h at 15 ml/min with high purity N2. -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.039. Detection limit converted from '35.0 pmol/mol' to '106.4 ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.039." />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="missing_value" type="double" value="NaN" />
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    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2024-11-29T00:00:00.000000Z" />
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    <attribute name="ebas_version_description" value="initial revision, automatically generated, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
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    <attribute name="ebas_station_name" value="TMEG01 Engis" />
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    <attribute name="ebas_station_setting" value="Suburban" />
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    <attribute name="ebas_measurement_height" value="3.0 m" />
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    <attribute name="ebas_component" value="isoprene" />
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    <attribute name="ebas_framework_contact_name" value="Wenche Aas" />
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    <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 framework: CAMPAIGN. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="EMEP ACTRIS intensive measurement period. Each ads tube is dried during 1h at 15 ml/min with high purity N2." />
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    <attribute name="ebas_version_description" value="initial revision, automatically generated, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
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    <attribute name="ebas_orig_time_res" value="1d" />
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    <attribute name="ebas_component" value="limonene" />
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    <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 framework: CAMPAIGN. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="EMEP ACTRIS intensive measurement period. Each ads tube is dried during 1h at 15 ml/min with high purity N2. -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 6.08. Detection limit converted from '13.0 pmol/mol' to '79.0 ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 6.08." />
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    <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 framework: CAMPAIGN. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="EMEP ACTRIS intensive measurement period. Each ads tube is dried during 1h at 15 ml/min with high purity N2." />
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    <attribute name="standard_name" value="mole_fraction_of_m-p-xylene_in_air" />
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    <attribute name="cell_methods" value="time: mean" />
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    <attribute name="ebas_version_description" value="initial revision, automatically generated, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="23h" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="BE0018U" />
    <attribute name="ebas_platform_code" value="BE0018S" />
    <attribute name="ebas_station_name" value="TMEG01 Engis" />
    <attribute name="ebas_station_land_use" value="Industrial" />
    <attribute name="ebas_station_setting" value="Suburban" />
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    <attribute name="ebas_station_altitude" value="137.0 m" />
    <attribute name="ebas_measurement_altitude" value="140.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 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="BE01L" />
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    <attribute name="ebas_instrument_manufacturer" value="Paldaman" />
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    <attribute name="ebas_method_ref" value="BE01L_BE0018U_ads_tube_IMP_2024" />
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    <attribute name="ebas_inlet_type" value="Hat or hood" />
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    <attribute name="ebas_detection_limit_expl" value="Detection limit equals 3 times the precision" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
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    <attribute name="ebas_framework_description" value="" />
    <attribute name="ebas_framework_contact_name" value="Wenche Aas" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Bergmans, Benjamin, b.bergmans@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chera 200, , 4000 Liege, Belgium&quot;, &quot;Gohy, Marie, m.gohy@issep.be, Institut Scientifique de Service Public, ISSeP, , Rue du Chéra 200, , 4000, Liège, Belgium&quot;" />
    <attribute name="ebas_submitter" value="&quot;Palmaerts, Benjamin, b.palmaerts@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chéra 200, 4000, Liège, Belgium&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 framework: CAMPAIGN. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="EMEP ACTRIS intensive measurement period. Each ads tube is dried during 1h at 15 ml/min with high purity N2. -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.737. Detection limit converted from '23.0 pmol/mol' to '108.9 ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.737." />
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    <attribute name="actris_variable_preferred_term" value="m/p-xylenes mass concentration" />
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  <variable name="meta_m_p_xylene_ng_per_m3" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
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    <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 meta_m_p_xylene_pmol_per_mol" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2024-11-29T00:00:00.000000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, automatically generated, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
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    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="BE0018U" />
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    <attribute name="ebas_station_name" value="TMEG01 Engis" />
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    <attribute name="ebas_station_latitude" type="double" value="50.5832142" />
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    <attribute name="ebas_measurement_height" value="3.0 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" />
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    <attribute name="ebas_instrument_manufacturer" value="Paldaman" />
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    <attribute name="ebas_framework_name" value="" />
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    <attribute name="ebas_framework_contact_name" value="Wenche Aas" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Bergmans, Benjamin, b.bergmans@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chera 200, , 4000 Liege, Belgium&quot;, &quot;Gohy, Marie, m.gohy@issep.be, Institut Scientifique de Service Public, ISSeP, , Rue du Chéra 200, , 4000, Liège, Belgium&quot;" />
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    <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 framework: CAMPAIGN. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="EMEP ACTRIS intensive measurement period. Each ads tube is dried during 1h at 15 ml/min with high purity N2." />
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    <attribute name="actris_variable_preferred_term" value="m/p-xylenes amount fraction" />
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  <variable name="meta_m_p_xylene_pmol_per_mol" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="cell_methods" value="time: mean" />
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    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, automatically generated, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
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    <attribute name="ebas_station_latitude" type="double" value="50.5832142" />
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    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-butane" />
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    <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 framework: CAMPAIGN. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="EMEP ACTRIS intensive measurement period. Each ads tube is dried during 1h at 15 ml/min with high purity N2. -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 2.593. Detection limit converted from '41.0 pmol/mol' to '106.3 ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 2.593." />
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    <attribute name="ebas_station_name" value="TMEG01 Engis" />
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    <attribute name="ebas_station_latitude" type="double" value="50.5832142" />
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    <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" />
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    <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 framework: CAMPAIGN. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="EMEP ACTRIS intensive measurement period. Each ads tube is dried during 1h at 15 ml/min with high purity N2." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/n-butaneamountfraction" />
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    <attribute name="ebas_comment" value="EMEP ACTRIS intensive measurement period. Each ads tube is dried during 1h at 15 ml/min with high purity N2." />
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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="EMEP ACTRIS intensive measurement period. Each ads tube is dried during 1h at 15 ml/min with high purity N2." />
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    <attribute name="ebas_comment" value="EMEP ACTRIS intensive measurement period. Each ads tube is dried during 1h at 15 ml/min with high purity N2. -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.219. Detection limit converted from '33.0 pmol/mol' to '106.2 ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.219." />
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    <attribute name="ebas_instrument_serial_number" value="220703" />
    <attribute name="ebas_method_ref" value="BE01L_BE0018U_ads_tube_IMP_2024" />
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    <attribute name="ebas_detection_limit_expl" value="Detection limit equals 3 times the precision" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
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    <attribute name="ebas_organization" value="BE01L, Flanders Environment Agency, VMM, Section Air Immissions, Kronenburgstraat 45, , 2000, Antwerpen, Belgium" />
    <attribute name="ebas_framework_acronym" value="CAMPAIGN" />
    <attribute name="ebas_framework_name" value="" />
    <attribute name="ebas_framework_description" value="" />
    <attribute name="ebas_framework_contact_name" value="Wenche Aas" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Bergmans, Benjamin, b.bergmans@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chera 200, , 4000 Liege, Belgium&quot;, &quot;Gohy, Marie, m.gohy@issep.be, Institut Scientifique de Service Public, ISSeP, , Rue du Chéra 200, , 4000, Liège, Belgium&quot;" />
    <attribute name="ebas_submitter" value="&quot;Palmaerts, Benjamin, b.palmaerts@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chéra 200, 4000, Liège, Belgium&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 framework: CAMPAIGN. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="EMEP ACTRIS intensive measurement period. Each ads tube is dried during 1h at 15 ml/min with high purity N2." />
    <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="actris_temporal_resolution" value="P1D" />
    <attribute name="actris_access_restriction" type="long" value="1" />
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    <attribute name="standard_name" value="status_flag" />
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    <attribute name="units" value="1" />
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  <variable name="meta_n_pentane_pmol_per_mol" 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" 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 meta_o_xylene_ng_per_m3" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2024-11-29T00:00:00.000000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, automatically generated, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="23h" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="BE0018U" />
    <attribute name="ebas_platform_code" value="BE0018S" />
    <attribute name="ebas_station_name" value="TMEG01 Engis" />
    <attribute name="ebas_station_land_use" value="Industrial" />
    <attribute name="ebas_station_setting" value="Suburban" />
    <attribute name="ebas_station_latitude" type="double" value="50.5832142" />
    <attribute name="ebas_station_longitude" type="double" value="5.39746727" />
    <attribute name="ebas_station_altitude" value="137.0 m" />
    <attribute name="ebas_measurement_altitude" value="140.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 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="BE01L" />
    <attribute name="ebas_instrument_type" value="ads_tube" />
    <attribute name="ebas_instrument_name" value="AS100-Engis" />
    <attribute name="ebas_instrument_manufacturer" value="Paldaman" />
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    <attribute name="ebas_instrument_serial_number" value="220703" />
    <attribute name="ebas_method_ref" value="BE01L_BE0018U_ads_tube_IMP_2024" />
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    <attribute name="ebas_inlet_type" value="Hat or hood" />
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    <attribute name="ebas_detection_limit" value="108.9 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Detection limit equals 3 times the precision" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Values below detection limit are flagged with 781" />
    <attribute name="ebas_organization" value="BE01L, Flanders Environment Agency, VMM, Section Air Immissions, Kronenburgstraat 45, , 2000, Antwerpen, Belgium" />
    <attribute name="ebas_framework_acronym" value="CAMPAIGN" />
    <attribute name="ebas_framework_name" value="" />
    <attribute name="ebas_framework_description" value="" />
    <attribute name="ebas_framework_contact_name" value="Wenche Aas" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Bergmans, Benjamin, b.bergmans@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chera 200, , 4000 Liege, Belgium&quot;, &quot;Gohy, Marie, m.gohy@issep.be, Institut Scientifique de Service Public, ISSeP, , Rue du Chéra 200, , 4000, Liège, Belgium&quot;" />
    <attribute name="ebas_submitter" value="&quot;Palmaerts, Benjamin, b.palmaerts@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chéra 200, 4000, Liège, Belgium&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 framework: CAMPAIGN. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="EMEP ACTRIS intensive measurement period. Each ads tube is dried during 1h at 15 ml/min with high purity N2. -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.737. Detection limit converted from '23.0 pmol/mol' to '108.9 ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.737." />
    <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_temporal_resolution" value="P1D" />
    <attribute name="actris_access_restriction" type="long" value="1" />
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  <variable name="qc_o_xylene_ng_per_m3" shape="qc_o_xylene_ng_per_m3_flags time" type="int">
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    <attribute name="units" value="1" />
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  <variable name="meta_o_xylene_ng_per_m3" 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" shape="time" type="double">
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    <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" />
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    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2024-11-29T00:00:00.000000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, automatically generated, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="23h" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="BE0018U" />
    <attribute name="ebas_platform_code" value="BE0018S" />
    <attribute name="ebas_station_name" value="TMEG01 Engis" />
    <attribute name="ebas_station_land_use" value="Industrial" />
    <attribute name="ebas_station_setting" value="Suburban" />
    <attribute name="ebas_station_latitude" type="double" value="50.5832142" />
    <attribute name="ebas_station_longitude" type="double" value="5.39746727" />
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    <attribute name="ebas_measurement_altitude" value="140.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 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="BE01L" />
    <attribute name="ebas_instrument_type" value="ads_tube" />
    <attribute name="ebas_instrument_name" value="AS100-Engis" />
    <attribute name="ebas_instrument_manufacturer" value="Paldaman" />
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    <attribute name="ebas_instrument_serial_number" value="220703" />
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    <attribute name="ebas_framework_contact_name" value="Wenche Aas" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Bergmans, Benjamin, b.bergmans@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chera 200, , 4000 Liege, Belgium&quot;, &quot;Gohy, Marie, m.gohy@issep.be, Institut Scientifique de Service Public, ISSeP, , Rue du Chéra 200, , 4000, Liège, Belgium&quot;" />
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    <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 framework: CAMPAIGN. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="EMEP ACTRIS intensive measurement period. Each ads tube is dried during 1h at 15 ml/min with high purity N2." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/o-xyleneamountfraction" />
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    <attribute name="_FillValue" type="double" value="NaN" />
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    <attribute name="cell_methods" value="time: mean" />
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    <attribute name="ebas_version" value="1" />
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    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
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    <attribute name="ebas_station_name" value="TMEG01 Engis" />
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    <attribute name="ebas_station_latitude" type="double" value="50.5832142" />
    <attribute name="ebas_station_longitude" type="double" value="5.39746727" />
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    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="tetrachloroethene" />
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    <attribute name="ebas_matrix" value="air" />
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    <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 framework: CAMPAIGN. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="EMEP ACTRIS intensive measurement period. Each ads tube is dried during 1h at 15 ml/min with high purity N2. -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 7.40. Detection limit converted from '15.0 pmol/mol' to '111.0 ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 7.40." />
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    <attribute name="actris_variable_preferred_term" value="tetrachloroethene mass concentration" />
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    <attribute name="ancillary_variables" value="qc_tetrachloroethene_pmol_per_mol meta_tetrachloroethene_pmol_per_mol" />
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    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="BE0018U" />
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    <attribute name="ebas_station_setting" value="Suburban" />
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    <attribute name="ebas_station_longitude" type="double" value="5.39746727" />
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    <attribute name="ebas_measurement_height" value="3.0 m" />
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    <attribute name="ebas_component" value="tetrachloroethene" />
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    <attribute name="ebas_detection_limit_expl" value="Detection limit equals 3 times the precision" />
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    <attribute name="ebas_framework_description" value="" />
    <attribute name="ebas_framework_contact_name" value="Wenche Aas" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Bergmans, Benjamin, b.bergmans@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chera 200, , 4000 Liege, Belgium&quot;, &quot;Gohy, Marie, m.gohy@issep.be, Institut Scientifique de Service Public, ISSeP, , Rue du Chéra 200, , 4000, Liège, Belgium&quot;" />
    <attribute name="ebas_submitter" value="&quot;Palmaerts, Benjamin, b.palmaerts@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chéra 200, 4000, Liège, Belgium&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 framework: CAMPAIGN. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="EMEP ACTRIS intensive measurement period. Each ads tube is dried during 1h at 15 ml/min with high purity N2." />
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    <attribute name="actris_variable_preferred_term" value="tetrachloroethene 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="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
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    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2024-11-29T00:00:00.000000Z" />
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    <attribute name="ebas_version_description" value="initial revision, automatically generated, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
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    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="BE0018U" />
    <attribute name="ebas_platform_code" value="BE0018S" />
    <attribute name="ebas_station_name" value="TMEG01 Engis" />
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    <attribute name="ebas_station_setting" value="Suburban" />
    <attribute name="ebas_station_latitude" type="double" value="50.5832142" />
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    <attribute name="ebas_measurement_altitude" value="140.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="toluene" />
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    <attribute name="ebas_laboratory_code" value="BE01L" />
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    <attribute name="ebas_instrument_manufacturer" value="Paldaman" />
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    <attribute name="ebas_instrument_serial_number" value="220703" />
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    <attribute name="ebas_inlet_type" value="Hat or hood" />
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    <attribute name="ebas_organization" value="BE01L, Flanders Environment Agency, VMM, Section Air Immissions, Kronenburgstraat 45, , 2000, Antwerpen, Belgium" />
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    <attribute name="ebas_framework_name" value="" />
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    <attribute name="ebas_framework_contact_name" value="Wenche Aas" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Bergmans, Benjamin, b.bergmans@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chera 200, , 4000 Liege, Belgium&quot;, &quot;Gohy, Marie, m.gohy@issep.be, Institut Scientifique de Service Public, ISSeP, , Rue du Chéra 200, , 4000, Liège, Belgium&quot;" />
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    <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 framework: CAMPAIGN. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="EMEP ACTRIS intensive measurement period. Each ads tube is dried during 1h at 15 ml/min with high purity N2. -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.111. Detection limit converted from '26.0 pmol/mol' to '106.9 ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.111." />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="ebas_component" value="toluene" />
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    <attribute name="ebas_framework_contact_name" value="Wenche Aas" />
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    <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 framework: CAMPAIGN. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="EMEP ACTRIS intensive measurement period. Each ads tube is dried during 1h at 15 ml/min with high purity N2." />
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    <attribute name="ebas_version_description" value="initial revision, automatically generated, manually inspected" />
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    <attribute name="ebas_station_latitude" type="double" value="50.5832142" />
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    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="trans-2-butene" />
    <attribute name="ebas_unit" value="ng/m3" />
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    <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 framework: CAMPAIGN. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="EMEP ACTRIS intensive measurement period. Each ads tube is dried during 1h at 15 ml/min with high purity N2. -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 2.503. Detection limit converted from '43.0 pmol/mol' to '107.6 ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 2.503." />
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    <attribute name="actris_variable_preferred_term" value="(E)-2-butene mass concentration" />
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  <variable name="qc_trans_2_butene_ng_per_m3" shape="qc_trans_2_butene_ng_per_m3_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_trans_2_butene_ng_per_m3" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_trans_2_butene_pmol_per_mol" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_trans_2_butene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="qc_trans_2_butene_pmol_per_mol meta_trans_2_butene_pmol_per_mol" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2024-11-29T00:00:00.000000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, automatically generated, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="23h" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="BE0018U" />
    <attribute name="ebas_platform_code" value="BE0018S" />
    <attribute name="ebas_station_name" value="TMEG01 Engis" />
    <attribute name="ebas_station_land_use" value="Industrial" />
    <attribute name="ebas_station_setting" value="Suburban" />
    <attribute name="ebas_station_latitude" type="double" value="50.5832142" />
    <attribute name="ebas_station_longitude" type="double" value="5.39746727" />
    <attribute name="ebas_station_altitude" value="137.0 m" />
    <attribute name="ebas_measurement_altitude" value="140.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="trans-2-butene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="BE01L" />
    <attribute name="ebas_instrument_type" value="ads_tube" />
    <attribute name="ebas_instrument_name" value="AS100-Engis" />
    <attribute name="ebas_instrument_manufacturer" value="Paldaman" />
    <attribute name="ebas_instrument_model" value="AS100" />
    <attribute name="ebas_instrument_serial_number" value="220703" />
    <attribute name="ebas_method_ref" value="BE01L_BE0018U_ads_tube_IMP_2024" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
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    <attribute name="ebas_volume_std_temperature" value="293.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="43.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Detection limit equals 3 times the precision" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Values below detection limit are flagged with 781" />
    <attribute name="ebas_organization" value="BE01L, Flanders Environment Agency, VMM, Section Air Immissions, Kronenburgstraat 45, , 2000, Antwerpen, Belgium" />
    <attribute name="ebas_framework_acronym" value="CAMPAIGN" />
    <attribute name="ebas_framework_name" value="" />
    <attribute name="ebas_framework_description" value="" />
    <attribute name="ebas_framework_contact_name" value="Wenche Aas" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Bergmans, Benjamin, b.bergmans@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chera 200, , 4000 Liege, Belgium&quot;, &quot;Gohy, Marie, m.gohy@issep.be, Institut Scientifique de Service Public, ISSeP, , Rue du Chéra 200, , 4000, Liège, Belgium&quot;" />
    <attribute name="ebas_submitter" value="&quot;Palmaerts, Benjamin, b.palmaerts@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chéra 200, 4000, Liège, Belgium&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 framework: CAMPAIGN. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="EMEP ACTRIS intensive measurement period. Each ads tube is dried during 1h at 15 ml/min with high purity N2." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/-E-2-buteneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="(E)-2-butene 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="adsorption tube" />
    <attribute name="actris_framework_uri" value="" />
    <attribute name="actris_framework_preferred_term" value="" />
    <attribute name="actris_temporal_resolution" value="P1D" />
    <attribute name="actris_access_restriction" type="long" value="1" />
  </variable>
  <variable name="qc_trans_2_butene_pmol_per_mol" shape="qc_trans_2_butene_pmol_per_mol_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_trans_2_butene_pmol_per_mol" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_trichloroethene_ng_per_m3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_trichloroethene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="qc_trichloroethene_ng_per_m3 meta_trichloroethene_ng_per_m3" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2024-11-29T00:00:00.000000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, automatically generated, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="23h" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="BE0018U" />
    <attribute name="ebas_platform_code" value="BE0018S" />
    <attribute name="ebas_station_name" value="TMEG01 Engis" />
    <attribute name="ebas_station_land_use" value="Industrial" />
    <attribute name="ebas_station_setting" value="Suburban" />
    <attribute name="ebas_station_latitude" type="double" value="50.5832142" />
    <attribute name="ebas_station_longitude" type="double" value="5.39746727" />
    <attribute name="ebas_station_altitude" value="137.0 m" />
    <attribute name="ebas_measurement_altitude" value="140.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="trichloroethene" />
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    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="BE01L" />
    <attribute name="ebas_instrument_type" value="ads_tube" />
    <attribute name="ebas_instrument_name" value="AS100-Engis" />
    <attribute name="ebas_instrument_manufacturer" value="Paldaman" />
    <attribute name="ebas_instrument_model" value="AS100" />
    <attribute name="ebas_instrument_serial_number" value="220703" />
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    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Glass not heated" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
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    <attribute name="ebas_detection_limit" value="106.0 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Detection limit equals 3 times the precision" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Values below detection limit are flagged with 781" />
    <attribute name="ebas_organization" value="BE01L, Flanders Environment Agency, VMM, Section Air Immissions, Kronenburgstraat 45, , 2000, Antwerpen, Belgium" />
    <attribute name="ebas_framework_acronym" value="CAMPAIGN" />
    <attribute name="ebas_framework_name" value="" />
    <attribute name="ebas_framework_description" value="" />
    <attribute name="ebas_framework_contact_name" value="Wenche Aas" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Bergmans, Benjamin, b.bergmans@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chera 200, , 4000 Liege, Belgium&quot;, &quot;Gohy, Marie, m.gohy@issep.be, Institut Scientifique de Service Public, ISSeP, , Rue du Chéra 200, , 4000, Liège, Belgium&quot;" />
    <attribute name="ebas_submitter" value="&quot;Palmaerts, Benjamin, b.palmaerts@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chéra 200, 4000, Liège, Belgium&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 framework: CAMPAIGN. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="EMEP ACTRIS intensive measurement period. Each ads tube is dried during 1h at 15 ml/min with high purity N2. -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 5.86. Detection limit converted from '18.0 pmol/mol' to '106.0 ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 5.86." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/trichloroethenemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="trichloroethene mass concentration" />
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    <attribute name="actris_matrix_preferred_term" value="gas phase" />
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    <attribute name="actris_instrument_type_preferred_term" value="adsorption tube" />
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    <attribute name="actris_temporal_resolution" value="P1D" />
    <attribute name="actris_access_restriction" type="long" value="1" />
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  <variable name="qc_trichloroethene_ng_per_m3" shape="qc_trichloroethene_ng_per_m3_flags time" type="int">
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    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_trichloroethene_ng_per_m3" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_trichloroethene_pmol_per_mol" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_fraction_of_trichloroethene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="qc_trichloroethene_pmol_per_mol meta_trichloroethene_pmol_per_mol" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2024-11-29T00:00:00.000000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, automatically generated, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="23h" />
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    <attribute name="ebas_station_name" value="TMEG01 Engis" />
    <attribute name="ebas_station_land_use" value="Industrial" />
    <attribute name="ebas_station_setting" value="Suburban" />
    <attribute name="ebas_station_latitude" type="double" value="50.5832142" />
    <attribute name="ebas_station_longitude" type="double" value="5.39746727" />
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    <attribute name="ebas_component" value="trichloroethene" />
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    <attribute name="ebas_instrument_type" value="ads_tube" />
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    <attribute name="ebas_instrument_manufacturer" value="Paldaman" />
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    <attribute name="ebas_framework_acronym" value="CAMPAIGN" />
    <attribute name="ebas_framework_name" value="" />
    <attribute name="ebas_framework_description" value="" />
    <attribute name="ebas_framework_contact_name" value="Wenche Aas" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Bergmans, Benjamin, b.bergmans@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chera 200, , 4000 Liege, Belgium&quot;, &quot;Gohy, Marie, m.gohy@issep.be, Institut Scientifique de Service Public, ISSeP, , Rue du Chéra 200, , 4000, Liège, Belgium&quot;" />
    <attribute name="ebas_submitter" value="&quot;Palmaerts, Benjamin, b.palmaerts@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chéra 200, 4000, Liège, Belgium&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 framework: CAMPAIGN. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="EMEP ACTRIS intensive measurement period. Each ads tube is dried during 1h at 15 ml/min with high purity N2." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/trichloroetheneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="trichloroethene amount fraction" />
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    <attribute name="actris_matrix_preferred_term" value="gas phase" />
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    <attribute name="actris_instrument_type_preferred_term" value="adsorption tube" />
    <attribute name="actris_framework_uri" value="" />
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  </variable>
  <variable name="qc_trichloroethene_pmol_per_mol" shape="qc_trichloroethene_pmol_per_mol_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_trichloroethene_pmol_per_mol" 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>
