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  <attribute name="Conventions" value="CF-1.8, ACDD-1.3" />
  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="OC/EC, inorganics in air and particle phase and PAHs (polycyclic aromatic hydrocarbons) at Kergoff" />
  <attribute name="keywords" value="mass_concentration_of_potassium_in_pm2p5_in_air, mass_concentration_of_benzo_b_fluoranthene_in_pm10_in_air, Kergoff, dibenzo_ah_anthracene, mass_concentration_of_sulphate_in_pm2p5_dry_aerosol_particles_in_air, mass_concentration_of_sodium_in_pm2p5_in_air, EMEP, mass_concentration_of_organic_carbon_in_pm2p5_in_air, mass_concentration_of_chloride_in_pm2p5_in_air, sodium, mass_concentration_of_sulphate_corrected_for_seaspray_in_pm2p5_dry_aerosol_particles_in_air, sulphate_corrected, benz_a_anthracene, mass_concentration_of_total_carbon_in_pm2p5_in_air, mass_concentration_of_ammonium_expressed_as_nitrogen_in_pm2p5_dry_aerosol_particles_in_air, total_carbon, elemental_carbon, mass_concentration_of_inden_123cd_pyrene_in_pm10_in_air, nitrate, sulphate_total, chloride, benzo_j_fluoranthene, pm25, organic_carbon, mass_concentration_of_nitrate_expressed_as_nitrogen_in_pm2p5_dry_aerosol_particles_in_air, potassium, mass_concentration_of_benzo_j_fluoranthene_in_pm10_in_air, mass_concentration_of_ammonium_in_pm2p5_dry_aerosol_particles_in_air, benzo_a_pyrene, ammonium, mass_concentration_of_dibenzo_ah_anthracene_in_pm10_in_air, mass_concentration_of_elemental_carbon_in_pm2p5_in_air, benzo_b_fluoranthene, mass_concentration_of_magnesium_in_pm2p5_in_air, mass_concentration_of_sulphate_expressed_as_sulphur_in_pm2p5_dry_aerosol_particles_in_air, EMEP_preliminary, mass_concentration_of_benzo_a_pyrene_in_pm10_in_air, pm10, inden_123cd_pyrene, mass_concentration_of_sulphate_corrected_for_seaspray_expressed_as_sulphur_in_pm2p5_dry_aerosol_particles_in_air, calcium, magnesium, mass_concentration_of_calcium_in_pm2p5_in_air, mass_concentration_of_benz_a_anthracene_in_pm10_in_air, FR0028R, mass_concentration_of_benzo_k_fluoranthene_in_pm10_in_air, mass_concentration_of_nitrate_in_pm2p5_dry_aerosol_particles_in_air, benzo_k_fluoranthene" />
  <attribute name="id" value="FR0028R.20200106090000.20250425093238.high_vol_sampler...3y.6d.FR07L_Digitel_DA80_28..lev2.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="EMEP, EMEP_preliminary" />
  <attribute name="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: EMEP.|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: EMEP_preliminary." separator="|" />
  <attribute name="doi" value="https://doi.org/10.48597/J6K8-YWG3|https://doi.org/10.48597/EYKC-V6MJ|https://doi.org/10.48597/7W3U-KTCF" separator="|" />
  <attribute name="license" value="Various, see detailed metadata" />
  <attribute name="citation" value="Bourin, A., EMEP, EMEP_preliminary, 2025, OC/EC, inorganics in air and particle phase and PAHs (polycyclic aromatic hydrocarbons) at Kergoff, data hosted by EBAS at NILU, Part of DOI: https://doi.org/10.48597/J6K8-YWG3, https://doi.org/10.48597/EYKC-V6MJ, https://doi.org/10.48597/7W3U-KTCF" />
  <attribute name="summary" value="OC/EC, inorganics in air and particle phase and PAHs (polycyclic aromatic hydrocarbons) at Kergoff. These measurements are gathered as a part of the following projects EMEP, EMEP_preliminary and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: ammonium in pm25 (mass_concentration_of_ammonium_expressed_as_nitrogen_in_pm2p5_dry_aerosol_particles_in_air), ammonium in pm25 (mass_concentration_of_ammonium_in_pm2p5_dry_aerosol_particles_in_air), benz_a_anthracene in pm10 (mass_concentration_of_benz_a_anthracene_in_pm10_in_air), benzo_a_pyrene in pm10 (mass_concentration_of_benzo_a_pyrene_in_pm10_in_air), benzo_b_fluoranthene in pm10 (mass_concentration_of_benzo_b_fluoranthene_in_pm10_in_air), benzo_j_fluoranthene in pm10 (mass_concentration_of_benzo_j_fluoranthene_in_pm10_in_air), benzo_k_fluoranthene in pm10 (mass_concentration_of_benzo_k_fluoranthene_in_pm10_in_air), calcium in pm25 (mass_concentration_of_calcium_in_pm2p5_in_air), chloride in pm25 (mass_concentration_of_chloride_in_pm2p5_in_air), dibenzo_ah_anthracene in pm10 (mass_concentration_of_dibenzo_ah_anthracene_in_pm10_in_air), elemental_carbon in pm25 (mass_concentration_of_elemental_carbon_in_pm2p5_in_air), elemental_carbon in pm25 (mass_concentration_of_elemental_carbon_in_pm2p5_in_air), inden_123cd_pyrene in pm10 (mass_concentration_of_inden_123cd_pyrene_in_pm10_in_air), magnesium in pm25 (mass_concentration_of_magnesium_in_pm2p5_in_air), nitrate in pm25 (mass_concentration_of_nitrate_expressed_as_nitrogen_in_pm2p5_dry_aerosol_particles_in_air), nitrate in pm25 (mass_concentration_of_nitrate_in_pm2p5_dry_aerosol_particles_in_air), organic_carbon in pm25 (mass_concentration_of_organic_carbon_in_pm2p5_in_air), organic_carbon in pm25 (mass_concentration_of_organic_carbon_in_pm2p5_in_air), potassium in pm25 (mass_concentration_of_potassium_in_pm2p5_in_air), sodium in pm25 (mass_concentration_of_sodium_in_pm2p5_in_air), sulphate_corrected in pm25 (mass_concentration_of_sulphate_corrected_for_seaspray_expressed_as_sulphur_in_pm2p5_dry_aerosol_particles_in_air), sulphate_corrected in pm25 (mass_concentration_of_sulphate_corrected_for_seaspray_in_pm2p5_dry_aerosol_particles_in_air), sulphate_total in pm25 (mass_concentration_of_sulphate_expressed_as_sulphur_in_pm2p5_dry_aerosol_particles_in_air), sulphate_total in pm25 (mass_concentration_of_sulphate_in_pm2p5_dry_aerosol_particles_in_air), total_carbon in pm25 (mass_concentration_of_total_carbon_in_pm2p5_in_air), total_carbon in pm25 (mass_concentration_of_total_carbon_in_pm2p5_in_air)" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2025-04-25T09:32:38 UTC" />
  <attribute name="date_metadata_modified" value="2025-04-25T09:32:38 UTC" />
  <attribute name="creator_name" value="Aude Bourin" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="" />
  <attribute name="creator_institution" value="" />
  <attribute name="contributor_name" value="Aude Bourin" />
  <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 (48.261977778 -2.943830556 307.0)" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="geospatial_lat_min" type="double" value="48.261977778" />
  <attribute name="geospatial_lat_max" type="double" value="48.261977778" />
  <attribute name="geospatial_lon_min" type="double" value="-2.943830556" />
  <attribute name="geospatial_lon_max" type="double" value="-2.943830556" />
  <attribute name="geospatial_vertical_min" type="double" value="307.0" />
  <attribute name="geospatial_vertical_max" type="double" value="307.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="time_coverage_start" value="2020-01-06T09:00:00 UTC" />
  <attribute name="time_coverage_end" value="2022-12-27T09:00:00 UTC" />
  <attribute name="time_coverage_duration" value="P0002-11-21T00:00:00" />
  <attribute name="time_coverage_resolution" value="P0000-00-06T00:00:00" />
  <attribute name="timezone" value="UTC" />
  <attribute name="ebas_data_definition" value="EBAS_1.1" />
  <attribute name="ebas_citation" value="Bourin, A., EMEP, EMEP_preliminary, 2025, OC/EC, inorganics in air and particle phase and PAHs (polycyclic aromatic hydrocarbons) at Kergoff, data hosted by EBAS at NILU, Part of DOI: https://doi.org/10.48597/J6K8-YWG3, https://doi.org/10.48597/EYKC-V6MJ, https://doi.org/10.48597/7W3U-KTCF" />
  <attribute name="ebas_set_type_code" value="TI" />
  <attribute name="ebas_timezone" value="UTC" />
  <attribute name="ebas_file_name" value="FR0028R.20200106090000.20250425093238.high_vol_sampler...3y.6d.FR07L_Digitel_DA80_28..lev2.nc" />
  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/J6K8-YWG3, https://doi.org/10.48597/EYKC-V6MJ, https://doi.org/10.48597/7W3U-KTCF" />
  <attribute name="ebas_file_creation" value="2026-06-12T13:02:07.485310 UTC" />
  <attribute name="ebas_export_state" value="2026-06-12T12:25:03.537165 UTC" />
  <attribute name="ebas_export_filter" value="exclude-900,exclude-invalid" />
  <attribute name="ebas_startdate" value="20200106090000" />
  <attribute name="ebas_revision_date" value="20250425093238" />
  <attribute name="ebas_version" value="1" />
  <attribute name="ebas_version_description" value="initial revision, manually inspected" />
  <attribute name="ebas_data_level" value="2" />
  <attribute name="ebas_period_code" value="3y" />
  <attribute name="ebas_resolution_code" value="6d" />
  <attribute name="ebas_sample_duration" value="1d" />
  <attribute name="ebas_station_code" value="FR0028R" />
  <attribute name="ebas_platform_code" value="FR0028S" />
  <attribute name="ebas_station_name" value="Kergoff" />
  <attribute name="ebas_station_land_use" value="Agricultural" />
  <attribute name="ebas_station_setting" value="Rural" />
  <attribute name="ebas_station_latitude" value="48.261977778" />
  <attribute name="ebas_station_longitude" value="-2.943830556" />
  <attribute name="ebas_station_altitude" value="307.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_laboratory_code" value="FR07L" />
  <attribute name="ebas_instrument_type" value="high_vol_sampler" />
  <attribute name="ebas_instrument_name" value="Digitel_DA80_28" />
  <attribute name="ebas_medium" value="Quartz" />
  <attribute name="ebas_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
  <attribute name="ebas_framework_description" value="The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems." />
  <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
  <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
  <attribute name="ebas_originator" value="Bourin, Aude, , , , , , , , , " />
  <attribute name="ebas_submitter" value="Bourin, Aude, , , , , , , , , " />
  <attribute name="_NCProperties" value="version=2,netcdf=4.7.3,hdf5=1.10.4" />
  <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="comment" value="{&#xA;    &quot;Data definition&quot;: &quot;EBAS_1.1&quot;, &#xA;    &quot;Citation&quot;: &quot;Bourin, A., EMEP, EMEP_preliminary, 2025, OC/EC, inorganics in air and particle phase and PAHs (polycyclic aromatic hydrocarbons) at Kergoff, data hosted by EBAS at NILU, Part of DOI: https://doi.org/10.48597/J6K8-YWG3, https://doi.org/10.48597/EYKC-V6MJ, https://doi.org/10.48597/7W3U-KTCF&quot;, &#xA;    &quot;Set type code&quot;: &quot;TI&quot;, &#xA;    &quot;Timezone&quot;: &quot;UTC&quot;, &#xA;    &quot;File name&quot;: &quot;FR0028R.20200106090000.20250425093238.high_vol_sampler...3y.6d.FR07L_Digitel_DA80_28..lev2.nc&quot;, &#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/J6K8-YWG3, https://doi.org/10.48597/EYKC-V6MJ, https://doi.org/10.48597/7W3U-KTCF&quot;, &#xA;    &quot;File creation&quot;: &quot;2026-06-12T13:02:07.485310 UTC&quot;, &#xA;    &quot;Export state&quot;: &quot;2026-06-12T12:25:03.537165 UTC&quot;, &#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;, &#xA;    &quot;Startdate&quot;: &quot;20200106090000&quot;, &#xA;    &quot;Revision date&quot;: &quot;20250425093238&quot;, &#xA;    &quot;Version&quot;: &quot;1&quot;, &#xA;    &quot;Version description&quot;: &quot;initial revision, manually inspected&quot;, &#xA;    &quot;Data level&quot;: &quot;2&quot;, &#xA;    &quot;Period code&quot;: &quot;3y&quot;, &#xA;    &quot;Resolution code&quot;: &quot;6d&quot;, &#xA;    &quot;Sample duration&quot;: &quot;1d&quot;, &#xA;    &quot;Station code&quot;: &quot;FR0028R&quot;, &#xA;    &quot;Platform code&quot;: &quot;FR0028S&quot;, &#xA;    &quot;Station name&quot;: &quot;Kergoff&quot;, &#xA;    &quot;Station land use&quot;: &quot;Agricultural&quot;, &#xA;    &quot;Station setting&quot;: &quot;Rural&quot;, &#xA;    &quot;Station latitude&quot;: &quot;48.261977778&quot;, &#xA;    &quot;Station longitude&quot;: &quot;-2.943830556&quot;, &#xA;    &quot;Station altitude&quot;: &quot;307.0 m&quot;, &#xA;    &quot;Regime&quot;: &quot;IMG&quot;, &#xA;    &quot;Laboratory code&quot;: &quot;FR07L&quot;, &#xA;    &quot;Instrument type&quot;: &quot;high_vol_sampler&quot;, &#xA;    &quot;Instrument name&quot;: &quot;Digitel_DA80_28&quot;, &#xA;    &quot;Medium&quot;: &quot;Quartz&quot;, &#xA;    &quot;Organization&quot;: &quot;FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France&quot;, &#xA;    &quot;Framework description&quot;: &quot;The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems.&quot;, &#xA;    &quot;Framework contact name&quot;: &quot;Kjetil Tørseth&quot;, &#xA;    &quot;Framework contact email&quot;: &quot;kt@nilu.no&quot;, &#xA;    &quot;Originator&quot;: &quot;Bourin, Aude, , , , , , , , , &quot;, &#xA;    &quot;Submitter&quot;: &quot;Bourin, Aude, , , , , , , , , &quot;&#xA;}" />
  <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="126" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="5" />
  <dimension name="chloride_qc_flags" length="3" />
  <dimension name="nitrate_ug_per_m3_qc_flags" length="2" />
  <dimension name="organic_carbon_amean_qc_flags" length="2" />
  <dimension name="dibenzo_ah_anthracene_qc_flags" length="2" />
  <dimension name="Fraction" length="5" />
  <dimension name="organic_carbon_amean_Fraction_qc_flags" length="3" />
  <dimension name="benzo_b_fluoranthene_qc_flags" length="1" />
  <dimension name="sulphate_total_ug_S_per_m3_qc_flags" length="2" />
  <dimension name="total_carbon_uncertainty_qc_flags" length="2" />
  <dimension name="benzo_j_fluoranthene_qc_flags" length="2" />
  <dimension name="sodium_qc_flags" length="3" />
  <dimension name="ammonium_ug_N_per_m3_qc_flags" length="2" />
  <dimension name="total_carbon_amean_qc_flags" length="2" />
  <dimension name="inden_123cd_pyrene_qc_flags" length="1" />
  <dimension name="benzo_a_pyrene_qc_flags" length="2" />
  <dimension name="sulphate_total_ug_per_m3_qc_flags" length="2" />
  <dimension name="elemental_carbon_amean_qc_flags" length="3" />
  <dimension name="benzo_k_fluoranthene_qc_flags" length="2" />
  <dimension name="elemental_carbon_uncertainty_qc_flags" length="3" />
  <dimension name="nitrate_ug_N_per_m3_qc_flags" length="2" />
  <dimension name="sulphate_corrected_ug_per_m3_qc_flags" length="2" />
  <dimension name="organic_carbon_uncertainty_qc_flags" length="2" />
  <dimension name="ammonium_ug_per_m3_qc_flags" length="2" />
  <dimension name="benz_a_anthracene_qc_flags" length="2" />
  <dimension name="sulphate_corrected_ug_S_per_m3_qc_flags" length="2" />
  <dimension name="potassium_qc_flags" length="2" />
  <dimension name="calcium_qc_flags" length="2" />
  <dimension name="magnesium_qc_flags" length="3" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2020-01-06T21:00:00Z" />
    <attribute name="time_coverage_end" value="2022-12-26T21:00:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="749952.0" />
    <attribute name="time_coverage_duration" value="P0Y0M1085DT0H0M0.000S" />
  </group>
  <group name="NCISOMetadata">
    <attribute name="metadata_creation" value="2026-06-21" />
    <attribute name="nciso_version" value="2.4.8" />
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    <attribute name="long_name" value="time bounds for measurement" />
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  <variable name="metadata_time_bnds" shape="metadata_time tbnds" type="double">
    <attribute name="long_name" value="time bounds for ebas metadata intervals" />
  </variable>
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    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
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    <attribute name="standard_name" value="status_flag" />
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    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_benzo_b_fluoranthene_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="benzo_b_fluoranthene_qc benzo_b_fluoranthene_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_framework_description" value="The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems." />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_station_latitude" value="48.261977778" />
    <attribute name="ebas_component" value="benzo_b_fluoranthene" />
    <attribute name="ebas_station_longitude" value="-2.943830556" />
    <attribute name="ebas_station_altitude" value="307.0 m" />
    <attribute name="ebas_instrument_name" value="Digitel_DA80_28" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
    <attribute name="ebas_station_name" value="Kergoff" />
    <attribute name="ebas_analytical_laboratory_code" value="FR20L" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_method_ref" value="FR20L_GC-MS_analysis" />
    <attribute name="ebas_station_code" value="FR0028R" />
    <attribute name="ebas_filter_description" value="Pallflex" />
    <attribute name="ebas_analytical_measurement_technique" value="GC-MS" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_detection_limit_expl" value="Quantification limit, Determined by taking 3 times the instrumental detection limit for analyte" />
    <attribute name="ebas_revision_date" value="20240206120000" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_platform_code" value="FR0028S" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_submitter" value="Bourin, Aude, , , , , , , , , " />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_detection_limit" value="0.007 ng/m3" />
    <attribute name="ebas_originator" value="Bourin, Aude, , , , , , , , , " />
    <attribute name="ebas_analytical_instrument_name" value="GC-MS_analysis" />
  </variable>
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    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_ammonium_in_pm2p5_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="ammonium_ug_per_m3_qc ammonium_ug_per_m3_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_analytical_laboratory_code" value="FR12L" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_framework_description" value="The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems." />
    <attribute name="ebas_component" value="ammonium" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_station_latitude" value="48.261977778" />
    <attribute name="ebas_filter_description" value="2500 QAT-UP diameter 150mm" />
    <attribute name="ebas_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <attribute name="ebas_station_longitude" value="-2.943830556" />
    <attribute name="ebas_station_altitude" value="307.0 m" />
    <attribute name="ebas_instrument_name" value="Digitel_DA80_28" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_method_ref" value="FR12L_ion_chromatography" />
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    <attribute name="ebas_matrix" value="pm25" />
    <attribute name="ebas_station_name" value="Kergoff" />
    <attribute name="ebas_filter_face_velocity" value="54.13 cm/s" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_analytical_instrument_name" value="ion_chromatography" />
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    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_analytical_instrument_model" value="DX-600" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_platform_code" value="FR0028S" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
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    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_data_level" value="2" />
    <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: EMEP." />
    <attribute name="ebas_submitter" value="Bourin, Aude, , , , , , , , , " />
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    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_originator" value="Bourin, Aude, , , , , , , , , " />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme" />
    <attribute name="ebas_sample_preparation" value="Water extraction after ultrasonic treatment" />
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    <attribute name="ebas_filter_prefiring" value="773.15 K, 24.0 h" />
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  </variable>
  <variable name="sulphate_corrected_ug_S_per_m3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_sulphate_corrected_for_seaspray_expressed_as_sulphur_in_pm2p5_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="sulphate_corrected_ug S_per_m3_qc sulphate_corrected_ug S_per_m3_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_analytical_laboratory_code" value="FR12L" />
    <attribute name="ebas_framework_description" value="The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems." />
    <attribute name="ebas_component" value="sulphate_corrected" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_station_latitude" value="48.261977778" />
    <attribute name="ebas_unit" value="ug S/m3" />
    <attribute name="ebas_filter_description" value="2500 QAT-UP diameter 150mm" />
    <attribute name="ebas_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <attribute name="ebas_station_longitude" value="-2.943830556" />
    <attribute name="ebas_station_altitude" value="307.0 m" />
    <attribute name="ebas_instrument_name" value="Digitel_DA80_28" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_method_ref" value="FR12L_ion_chromatography" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
    <attribute name="ebas_matrix" value="pm25" />
    <attribute name="ebas_station_name" value="Kergoff" />
    <attribute name="ebas_filter_face_velocity" value="54.13 cm/s" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_analytical_instrument_name" value="ion_chromatography" />
    <attribute name="ebas_station_code" value="FR0028R" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_analytical_instrument_model" value="DX-600" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_platform_code" value="FR0028S" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_analytical_measurement_technique" value="IC" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_data_level" value="2" />
    <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: EMEP." />
    <attribute name="ebas_submitter" value="Bourin, Aude, , , , , , , , , " />
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    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_originator" value="Bourin, Aude, , , , , , , , , " />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme" />
    <attribute name="ebas_sample_preparation" value="Water extraction after ultrasonic treatment" />
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    <attribute name="ebas_revision_date" value="20250425093238" />
    <attribute name="ebas_framework_acronym" value="EMEP" />
    <attribute name="ebas_exposed_filter_area" value="153.94 cm2" />
    <attribute name="ebas_filter_prefiring" value="773.15 K, 24.0 h" />
    <attribute name="ebas_detection_limit_expl" value="Quantification limit, Determined by taking 3 times the method detection limit for analyte using 7 filter from the same batch" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Dionex" />
  </variable>
  <variable name="organic_carbon_amean_qc" shape="organic_carbon_amean_qc_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="benzo_b_fluoranthene_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="dibenzo_ah_anthracene_qc" shape="dibenzo_ah_anthracene_qc_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="benz_a_anthracene_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="organic_carbon_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_organic_carbon_in_pm2p5_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug C/m3" />
    <attribute name="ancillary_variables" value="organic_carbon_amean_qc organic_carbon_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_analytical_laboratory_code" value="FR12L" />
    <attribute name="ebas_artifact_correction" value="None" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_framework_description" value="The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems." />
    <attribute name="ebas_analytical_instrument_name" value="Inst275-73" />
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    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_station_latitude" value="48.261977778" />
    <attribute name="ebas_filter_description" value="2500 QAT-UP diameter 150mm" />
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    <attribute name="ebas_station_longitude" value="-2.943830556" />
    <attribute name="ebas_station_altitude" value="307.0 m" />
    <attribute name="ebas_instrument_name" value="Digitel_DA80_28" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_detection_limit_expl" value="for TC and OC Quantification limit 3 times the method detection limit using 7 filters from same batch; for EC Detection limit assumed to be analytical dectection limit" />
    <attribute name="ebas_matrix" value="pm25" />
    <attribute name="ebas_station_name" value="Kergoff" />
    <attribute name="ebas_filter_face_velocity" value="54.13 cm/s" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_station_code" value="FR0028R" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_platform_code" value="FR0028S" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
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    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_method_ref" value="FR12L_sunset_EUSAAR2" />
    <attribute name="ebas_data_level" value="2" />
    <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: EMEP." />
    <attribute name="ebas_submitter" value="Bourin, Aude, , , , , , , , , " />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Sunset Laboratory" />
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    <attribute name="ebas_component" value="organic_carbon" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v2014, TEMP=EUSAAR_2" />
    <attribute name="ebas_revision_date" value="20240329090000" />
    <attribute name="ebas_analytical_measurement_technique" value="thermal-optical_analysis" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_unit" value="ug C/m3" />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_charring_correction" value="By laser transmission" />
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    <attribute name="ebas_filter_prefiring" value="773.15 K, 24.0 h" />
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  </variable>
  <variable name="potassium_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="organic_carbon_amean_Fraction_qc" shape="Fraction organic_carbon_amean_Fraction_qc_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="benzo_b_fluoranthene_qc" shape="benzo_b_fluoranthene_qc_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="sulphate_total_ug_S_per_m3_qc" shape="sulphate_total_ug_S_per_m3_qc_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="sulphate_total_ug_S_per_m3_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="organic_carbon_uncertainty_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="nitrate_ug_N_per_m3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_nitrate_expressed_as_nitrogen_in_pm2p5_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="nitrate_ug N_per_m3_qc nitrate_ug N_per_m3_ebasmetadata" />
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    <attribute name="ebas_analytical_laboratory_code" value="FR12L" />
    <attribute name="ebas_framework_description" value="The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems." />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_station_latitude" value="48.261977778" />
    <attribute name="ebas_filter_description" value="2500 QAT-UP diameter 150mm" />
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    <attribute name="ebas_station_longitude" value="-2.943830556" />
    <attribute name="ebas_station_altitude" value="307.0 m" />
    <attribute name="ebas_instrument_name" value="Digitel_DA80_28" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
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    <attribute name="ebas_matrix" value="pm25" />
    <attribute name="ebas_station_name" value="Kergoff" />
    <attribute name="ebas_component" value="nitrate" />
    <attribute name="ebas_filter_face_velocity" value="54.13 cm/s" />
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    <attribute name="ebas_analytical_instrument_name" value="ion_chromatography" />
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    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_analytical_instrument_model" value="DX-600" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_platform_code" value="FR0028S" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
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    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_data_level" value="2" />
    <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: EMEP." />
    <attribute name="ebas_submitter" value="Bourin, Aude, , , , , , , , , " />
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    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_originator" value="Bourin, Aude, , , , , , , , , " />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_unit" value="ug N/m3" />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme" />
    <attribute name="ebas_sample_preparation" value="Water extraction after ultrasonic treatment" />
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    <attribute name="ebas_revision_date" value="20250425093238" />
    <attribute name="ebas_framework_acronym" value="EMEP" />
    <attribute name="ebas_exposed_filter_area" value="153.94 cm2" />
    <attribute name="ebas_filter_prefiring" value="773.15 K, 24.0 h" />
    <attribute name="ebas_detection_limit_expl" value="Quantification limit, Determined by taking 3 times the method detection limit for analyte using 7 filter from the same batch" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Dionex" />
  </variable>
  <variable name="total_carbon_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="benzo_a_pyrene_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="total_carbon_uncertainty_qc" shape="total_carbon_uncertainty_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
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    <attribute name="units" value="1" />
  </variable>
  <variable name="chloride_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="benzo_j_fluoranthene_qc" shape="benzo_j_fluoranthene_qc_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="total_carbon_uncertainty" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_total_carbon_in_pm2p5_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug C/m3" />
    <attribute name="ancillary_variables" value="total_carbon_uncertainty_qc total_carbon_uncertainty_ebasmetadata" />
    <attribute name="cell_methods" value="time: uncertainty" />
    <attribute name="ebas_analytical_laboratory_code" value="FR12L" />
    <attribute name="ebas_artifact_correction" value="None" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_framework_description" value="The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems." />
    <attribute name="ebas_component" value="total_carbon" />
    <attribute name="ebas_analytical_instrument_name" value="Inst275-73" />
    <attribute name="ebas_analytical_instrument_model" value="OCEC Lab Instrument Model 4L" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_station_latitude" value="48.261977778" />
    <attribute name="ebas_filter_description" value="2500 QAT-UP diameter 150mm" />
    <attribute name="ebas_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <attribute name="ebas_statistics" value="uncertainty" />
    <attribute name="ebas_station_longitude" value="-2.943830556" />
    <attribute name="ebas_station_altitude" value="307.0 m" />
    <attribute name="ebas_instrument_name" value="Digitel_DA80_28" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_detection_limit_expl" value="for TC and OC Quantification limit 3 times the method detection limit using 7 filters from same batch; for EC Detection limit assumed to be analytical dectection limit" />
    <attribute name="ebas_matrix" value="pm25" />
    <attribute name="ebas_station_name" value="Kergoff" />
    <attribute name="ebas_filter_face_velocity" value="54.13 cm/s" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_station_code" value="FR0028R" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_filter_conditioning" value="None" />
    <attribute name="ebas_platform_code" value="FR0028S" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_method_ref" value="FR12L_sunset_EUSAAR2" />
    <attribute name="ebas_data_level" value="2" />
    <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: EMEP." />
    <attribute name="ebas_submitter" value="Bourin, Aude, , , , , , , , , " />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Sunset Laboratory" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_originator" value="Bourin, Aude, , , , , , , , , " />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v2014, TEMP=EUSAAR_2" />
    <attribute name="ebas_revision_date" value="20240329090000" />
    <attribute name="ebas_analytical_measurement_technique" value="thermal-optical_analysis" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_unit" value="ug C/m3" />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_charring_correction" value="By laser transmission" />
    <attribute name="ebas_inlet_description" value="DIGITEL DPM2,5/30/00 pre-separator constructed as a 1-stage impactor" />
    <attribute name="ebas_framework_acronym" value="EMEP" />
    <attribute name="ebas_exposed_filter_area" value="153.94 cm2" />
    <attribute name="ebas_filter_prefiring" value="773.15 K, 24.0 h" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Measurement uncertainty calculation done by following the example proposed by J.P. Putaud" />
  </variable>
  <variable name="sodium_qc" shape="sodium_qc_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="sulphate_total_ug_S_per_m3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_sulphate_expressed_as_sulphur_in_pm2p5_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="sulphate_total_ug S_per_m3_qc sulphate_total_ug S_per_m3_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_analytical_laboratory_code" value="FR12L" />
    <attribute name="ebas_framework_description" value="The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems." />
    <attribute name="ebas_unit" value="ug S/m3" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_station_latitude" value="48.261977778" />
    <attribute name="ebas_component" value="sulphate_total" />
    <attribute name="ebas_filter_description" value="2500 QAT-UP diameter 150mm" />
    <attribute name="ebas_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <attribute name="ebas_station_longitude" value="-2.943830556" />
    <attribute name="ebas_station_altitude" value="307.0 m" />
    <attribute name="ebas_instrument_name" value="Digitel_DA80_28" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_method_ref" value="FR12L_ion_chromatography" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
    <attribute name="ebas_matrix" value="pm25" />
    <attribute name="ebas_station_name" value="Kergoff" />
    <attribute name="ebas_filter_face_velocity" value="54.13 cm/s" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_analytical_instrument_name" value="ion_chromatography" />
    <attribute name="ebas_station_code" value="FR0028R" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_analytical_instrument_model" value="DX-600" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_platform_code" value="FR0028S" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_analytical_measurement_technique" value="IC" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_data_level" value="2" />
    <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: EMEP." />
    <attribute name="ebas_submitter" value="Bourin, Aude, , , , , , , , , " />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_originator" value="Bourin, Aude, , , , , , , , , " />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme" />
    <attribute name="ebas_sample_preparation" value="Water extraction after ultrasonic treatment" />
    <attribute name="ebas_inlet_description" value="DIGITEL DPM2,5/30/00 pre-separator constructed as a 1-stage impactor" />
    <attribute name="ebas_revision_date" value="20250425093238" />
    <attribute name="ebas_framework_acronym" value="EMEP" />
    <attribute name="ebas_exposed_filter_area" value="153.94 cm2" />
    <attribute name="ebas_filter_prefiring" value="773.15 K, 24.0 h" />
    <attribute name="ebas_detection_limit_expl" value="Quantification limit, Determined by taking 3 times the method detection limit for analyte using 7 filter from the same batch" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Dionex" />
  </variable>
  <variable name="sodium" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_sodium_in_pm2p5_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="sodium_qc sodium_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_analytical_laboratory_code" value="FR12L" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_framework_description" value="The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems." />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_station_latitude" value="48.261977778" />
    <attribute name="ebas_filter_description" value="2500 QAT-UP diameter 150mm" />
    <attribute name="ebas_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <attribute name="ebas_station_longitude" value="-2.943830556" />
    <attribute name="ebas_station_altitude" value="307.0 m" />
    <attribute name="ebas_instrument_name" value="Digitel_DA80_28" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_method_ref" value="FR12L_ion_chromatography" />
    <attribute name="ebas_analytical_instrument_model" value="DX-600" />
    <attribute name="ebas_matrix" value="pm25" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
    <attribute name="ebas_station_name" value="Kergoff" />
    <attribute name="ebas_filter_face_velocity" value="54.13 cm/s" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_analytical_instrument_name" value="ion_chromatography" />
    <attribute name="ebas_station_code" value="FR0028R" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_component" value="sodium" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_platform_code" value="FR0028S" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_analytical_measurement_technique" value="IC" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_data_level" value="2" />
    <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: EMEP." />
    <attribute name="ebas_submitter" value="Bourin, Aude, , , , , , , , , " />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_originator" value="Bourin, Aude, , , , , , , , , " />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme" />
    <attribute name="ebas_sample_preparation" value="Water extraction after ultrasonic treatment" />
    <attribute name="ebas_inlet_description" value="DIGITEL DPM2,5/30/00 pre-separator constructed as a 1-stage impactor" />
    <attribute name="ebas_revision_date" value="20250425093238" />
    <attribute name="ebas_framework_acronym" value="EMEP" />
    <attribute name="ebas_exposed_filter_area" value="153.94 cm2" />
    <attribute name="ebas_filter_prefiring" value="773.15 K, 24.0 h" />
    <attribute name="ebas_detection_limit_expl" value="Quantification limit, Determined by taking 3 times the method detection limit for analyte using 7 filter from the same batch" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Dionex" />
  </variable>
  <variable name="ammonium_ug_N_per_m3_qc" shape="ammonium_ug_N_per_m3_qc_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="dibenzo_ah_anthracene_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="inden_123cd_pyrene_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="total_carbon_amean_qc" shape="total_carbon_amean_qc_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="benz_a_anthracene" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_benz_a_anthracene_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="benz_a_anthracene_qc benz_a_anthracene_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_framework_description" value="The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems." />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_station_latitude" value="48.261977778" />
    <attribute name="ebas_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <attribute name="ebas_station_longitude" value="-2.943830556" />
    <attribute name="ebas_station_altitude" value="307.0 m" />
    <attribute name="ebas_instrument_name" value="Digitel_DA80_28" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
    <attribute name="ebas_station_name" value="Kergoff" />
    <attribute name="ebas_analytical_laboratory_code" value="FR20L" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_method_ref" value="FR20L_GC-MS_analysis" />
    <attribute name="ebas_station_code" value="FR0028R" />
    <attribute name="ebas_filter_description" value="Pallflex" />
    <attribute name="ebas_analytical_measurement_technique" value="GC-MS" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_detection_limit_expl" value="Quantification limit, Determined by taking 3 times the instrumental detection limit for analyte" />
    <attribute name="ebas_revision_date" value="20240206120000" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_platform_code" value="FR0028S" />
    <attribute name="ebas_component" value="benz_a_anthracene" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_submitter" value="Bourin, Aude, , , , , , , , , " />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_originator" value="Bourin, Aude, , , , , , , , , " />
    <attribute name="ebas_detection_limit" value="0.003 ng/m3" />
    <attribute name="ebas_analytical_instrument_name" value="GC-MS_analysis" />
  </variable>
  <variable name="total_carbon_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_total_carbon_in_pm2p5_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug C/m3" />
    <attribute name="ancillary_variables" value="total_carbon_amean_qc total_carbon_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_analytical_laboratory_code" value="FR12L" />
    <attribute name="ebas_artifact_correction" value="None" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_framework_description" value="The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems." />
    <attribute name="ebas_component" value="total_carbon" />
    <attribute name="ebas_analytical_instrument_name" value="Inst275-73" />
    <attribute name="ebas_analytical_instrument_model" value="OCEC Lab Instrument Model 4L" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_station_latitude" value="48.261977778" />
    <attribute name="ebas_filter_description" value="2500 QAT-UP diameter 150mm" />
    <attribute name="ebas_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <attribute name="ebas_station_longitude" value="-2.943830556" />
    <attribute name="ebas_station_altitude" value="307.0 m" />
    <attribute name="ebas_instrument_name" value="Digitel_DA80_28" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_detection_limit_expl" value="for TC and OC Quantification limit 3 times the method detection limit using 7 filters from same batch; for EC Detection limit assumed to be analytical dectection limit" />
    <attribute name="ebas_matrix" value="pm25" />
    <attribute name="ebas_station_name" value="Kergoff" />
    <attribute name="ebas_filter_face_velocity" value="54.13 cm/s" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_station_code" value="FR0028R" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_platform_code" value="FR0028S" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_filter_conditioning" value="None" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_method_ref" value="FR12L_sunset_EUSAAR2" />
    <attribute name="ebas_data_level" value="2" />
    <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: EMEP." />
    <attribute name="ebas_submitter" value="Bourin, Aude, , , , , , , , , " />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Sunset Laboratory" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_originator" value="Bourin, Aude, , , , , , , , , " />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v2014, TEMP=EUSAAR_2" />
    <attribute name="ebas_revision_date" value="20240329090000" />
    <attribute name="ebas_analytical_measurement_technique" value="thermal-optical_analysis" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_unit" value="ug C/m3" />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_charring_correction" value="By laser transmission" />
    <attribute name="ebas_inlet_description" value="DIGITEL DPM2,5/30/00 pre-separator constructed as a 1-stage impactor" />
    <attribute name="ebas_framework_acronym" value="EMEP" />
    <attribute name="ebas_exposed_filter_area" value="153.94 cm2" />
    <attribute name="ebas_filter_prefiring" value="773.15 K, 24.0 h" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Measurement uncertainty calculation done by following the example proposed by J.P. Putaud" />
  </variable>
  <variable name="elemental_carbon_uncertainty" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_elemental_carbon_in_pm2p5_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug C/m3" />
    <attribute name="ancillary_variables" value="elemental_carbon_uncertainty_qc elemental_carbon_uncertainty_ebasmetadata" />
    <attribute name="cell_methods" value="time: uncertainty" />
    <attribute name="ebas_analytical_laboratory_code" value="FR12L" />
    <attribute name="ebas_artifact_correction" value="None" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_framework_description" value="The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems." />
    <attribute name="ebas_analytical_instrument_name" value="Inst275-73" />
    <attribute name="ebas_analytical_instrument_model" value="OCEC Lab Instrument Model 4L" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_analytical_measurement_technique" value="thermal-optical_analysis" />
    <attribute name="ebas_station_latitude" value="48.261977778" />
    <attribute name="ebas_filter_description" value="2500 QAT-UP diameter 150mm" />
    <attribute name="ebas_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <attribute name="ebas_statistics" value="uncertainty" />
    <attribute name="ebas_station_longitude" value="-2.943830556" />
    <attribute name="ebas_station_altitude" value="307.0 m" />
    <attribute name="ebas_instrument_name" value="Digitel_DA80_28" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_detection_limit_expl" value="for TC and OC Quantification limit 3 times the method detection limit using 7 filters from same batch; for EC Detection limit assumed to be analytical dectection limit" />
    <attribute name="ebas_matrix" value="pm25" />
    <attribute name="ebas_station_name" value="Kergoff" />
    <attribute name="ebas_filter_face_velocity" value="54.13 cm/s" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_component" value="elemental_carbon" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_filter_conditioning" value="None" />
    <attribute name="ebas_platform_code" value="FR0028S" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_method_ref" value="FR12L_sunset_EUSAAR2" />
    <attribute name="ebas_data_level" value="2" />
    <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: EMEP." />
    <attribute name="ebas_submitter" value="Bourin, Aude, , , , , , , , , " />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Sunset Laboratory" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_originator" value="Bourin, Aude, , , , , , , , , " />
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    <attribute name="ebas_revision_date" value="20240329090000" />
    <attribute name="ebas_station_code" value="FR0028R" />
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    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_charring_correction" value="By laser transmission" />
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    <attribute name="ebas_filter_prefiring" value="773.15 K, 24.0 h" />
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  </variable>
  <variable name="sulphate_corrected_ug_per_m3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
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    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="sulphate_corrected_ug_per_m3_qc sulphate_corrected_ug_per_m3_ebasmetadata" />
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    <attribute name="ebas_unit" value="ug/m3" />
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    <attribute name="ebas_component" value="sulphate_corrected" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_station_latitude" value="48.261977778" />
    <attribute name="ebas_filter_description" value="2500 QAT-UP diameter 150mm" />
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    <attribute name="ebas_station_altitude" value="307.0 m" />
    <attribute name="ebas_instrument_name" value="Digitel_DA80_28" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_method_ref" value="FR12L_ion_chromatography" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
    <attribute name="ebas_matrix" value="pm25" />
    <attribute name="ebas_station_name" value="Kergoff" />
    <attribute name="ebas_filter_face_velocity" value="54.13 cm/s" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
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    <attribute name="ebas_flow_rate" value="500.0 l/min" />
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    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_data_level" value="2" />
    <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: EMEP." />
    <attribute name="ebas_submitter" value="Bourin, Aude, , , , , , , , , " />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_originator" value="Bourin, Aude, , , , , , , , , " />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme" />
    <attribute name="ebas_sample_preparation" value="Water extraction after ultrasonic treatment" />
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    <attribute name="ebas_revision_date" value="20250425093238" />
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    <attribute name="ebas_exposed_filter_area" value="153.94 cm2" />
    <attribute name="ebas_filter_prefiring" value="773.15 K, 24.0 h" />
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    <attribute name="ebas_analytical_instrument_manufacturer" value="Dionex" />
  </variable>
  <variable name="inden_123cd_pyrene_qc" shape="inden_123cd_pyrene_qc_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="benzo_a_pyrene_qc" shape="benzo_a_pyrene_qc_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="sulphate_total_ug_per_m3_qc" shape="sulphate_total_ug_per_m3_qc_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="sulphate_total_ug_per_m3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_sulphate_in_pm2p5_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="sulphate_total_ug_per_m3_qc sulphate_total_ug_per_m3_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_analytical_laboratory_code" value="FR12L" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_framework_description" value="The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems." />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_station_latitude" value="48.261977778" />
    <attribute name="ebas_component" value="sulphate_total" />
    <attribute name="ebas_filter_description" value="2500 QAT-UP diameter 150mm" />
    <attribute name="ebas_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <attribute name="ebas_station_longitude" value="-2.943830556" />
    <attribute name="ebas_station_altitude" value="307.0 m" />
    <attribute name="ebas_instrument_name" value="Digitel_DA80_28" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_method_ref" value="FR12L_ion_chromatography" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
    <attribute name="ebas_matrix" value="pm25" />
    <attribute name="ebas_station_name" value="Kergoff" />
    <attribute name="ebas_filter_face_velocity" value="54.13 cm/s" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_analytical_instrument_name" value="ion_chromatography" />
    <attribute name="ebas_station_code" value="FR0028R" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_analytical_instrument_model" value="DX-600" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_platform_code" value="FR0028S" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_analytical_measurement_technique" value="IC" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_data_level" value="2" />
    <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: EMEP." />
    <attribute name="ebas_submitter" value="Bourin, Aude, , , , , , , , , " />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_originator" value="Bourin, Aude, , , , , , , , , " />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme" />
    <attribute name="ebas_sample_preparation" value="Water extraction after ultrasonic treatment" />
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    <attribute name="ebas_revision_date" value="20250425093238" />
    <attribute name="ebas_framework_acronym" value="EMEP" />
    <attribute name="ebas_exposed_filter_area" value="153.94 cm2" />
    <attribute name="ebas_filter_prefiring" value="773.15 K, 24.0 h" />
    <attribute name="ebas_detection_limit_expl" value="Quantification limit, Determined by taking 3 times the method detection limit for analyte using 7 filter from the same batch" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Dionex" />
  </variable>
  <variable name="elemental_carbon_amean_qc" shape="elemental_carbon_amean_qc_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="benzo_j_fluoranthene" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_benzo_j_fluoranthene_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="benzo_j_fluoranthene_qc benzo_j_fluoranthene_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_framework_description" value="The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems." />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_station_latitude" value="48.261977778" />
    <attribute name="ebas_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <attribute name="ebas_station_longitude" value="-2.943830556" />
    <attribute name="ebas_station_altitude" value="307.0 m" />
    <attribute name="ebas_instrument_name" value="Digitel_DA80_28" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_component" value="benzo_j_fluoranthene" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
    <attribute name="ebas_station_name" value="Kergoff" />
    <attribute name="ebas_analytical_laboratory_code" value="FR20L" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_method_ref" value="FR20L_GC-MS_analysis" />
    <attribute name="ebas_station_code" value="FR0028R" />
    <attribute name="ebas_filter_description" value="Pallflex" />
    <attribute name="ebas_analytical_measurement_technique" value="GC-MS" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
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    <attribute name="ebas_revision_date" value="20240206120000" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_platform_code" value="FR0028S" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_submitter" value="Bourin, Aude, , , , , , , , , " />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_detection_limit" value="0.007 ng/m3" />
    <attribute name="ebas_originator" value="Bourin, Aude, , , , , , , , , " />
    <attribute name="ebas_analytical_instrument_name" value="GC-MS_analysis" />
  </variable>
  <variable name="sulphate_corrected_ug_per_m3_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="benzo_j_fluoranthene_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="nitrate_ug_per_m3_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="benzo_k_fluoranthene_qc" shape="benzo_k_fluoranthene_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
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    <attribute name="units" value="1" />
  </variable>
  <variable name="elemental_carbon_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="benzo_k_fluoranthene_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="organic_carbon_amean_Fraction" shape="Fraction time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
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    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug C/m3" />
    <attribute name="ancillary_variables" value="organic_carbon_amean_Fraction_qc organic_carbon_amean_Fraction_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_analytical_laboratory_code" value="FR12L" />
    <attribute name="ebas_artifact_correction" value="None" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_framework_description" value="The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems." />
    <attribute name="ebas_analytical_instrument_name" value="Inst275-73" />
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    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_station_latitude" value="48.261977778" />
    <attribute name="ebas_filter_description" value="2500 QAT-UP diameter 150mm" />
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    <attribute name="ebas_station_longitude" value="-2.943830556" />
    <attribute name="ebas_station_altitude" value="307.0 m" />
    <attribute name="ebas_instrument_name" value="Digitel_DA80_28" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_detection_limit_expl" value="for TC and OC Quantification limit 3 times the method detection limit using 7 filters from same batch; for EC Detection limit assumed to be analytical dectection limit" />
    <attribute name="ebas_matrix" value="pm25" />
    <attribute name="ebas_station_name" value="Kergoff" />
    <attribute name="ebas_filter_face_velocity" value="54.13 cm/s" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
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    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_filter_conditioning" value="None" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_method_ref" value="FR12L_sunset_EUSAAR2" />
    <attribute name="ebas_data_level" value="2" />
    <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: EMEP." />
    <attribute name="ebas_submitter" value="Bourin, Aude, , , , , , , , , " />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Sunset Laboratory" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_component" value="organic_carbon" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v2014, TEMP=EUSAAR_2" />
    <attribute name="ebas_revision_date" value="20240329090000" />
    <attribute name="ebas_analytical_measurement_technique" value="thermal-optical_analysis" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_unit" value="ug C/m3" />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_charring_correction" value="By laser transmission" />
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    <attribute name="ebas_framework_acronym" value="EMEP" />
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    <attribute name="ebas_filter_prefiring" value="773.15 K, 24.0 h" />
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  </variable>
  <variable name="elemental_carbon_uncertainty_qc" shape="elemental_carbon_uncertainty_qc_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="ammonium_ug_per_m3_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="potassium" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_potassium_in_pm2p5_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="potassium_qc potassium_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_analytical_laboratory_code" value="FR12L" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_framework_description" value="The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems." />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_station_latitude" value="48.261977778" />
    <attribute name="ebas_filter_description" value="2500 QAT-UP diameter 150mm" />
    <attribute name="ebas_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <attribute name="ebas_station_longitude" value="-2.943830556" />
    <attribute name="ebas_component" value="potassium" />
    <attribute name="ebas_station_altitude" value="307.0 m" />
    <attribute name="ebas_instrument_name" value="Digitel_DA80_28" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_method_ref" value="FR12L_ion_chromatography" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
    <attribute name="ebas_matrix" value="pm25" />
    <attribute name="ebas_station_name" value="Kergoff" />
    <attribute name="ebas_filter_face_velocity" value="54.13 cm/s" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_analytical_instrument_name" value="ion_chromatography" />
    <attribute name="ebas_station_code" value="FR0028R" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_analytical_instrument_model" value="DX-600" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_platform_code" value="FR0028S" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_analytical_measurement_technique" value="IC" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_data_level" value="2" />
    <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: EMEP." />
    <attribute name="ebas_submitter" value="Bourin, Aude, , , , , , , , , " />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_originator" value="Bourin, Aude, , , , , , , , , " />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme" />
    <attribute name="ebas_sample_preparation" value="Water extraction after ultrasonic treatment" />
    <attribute name="ebas_inlet_description" value="DIGITEL DPM2,5/30/00 pre-separator constructed as a 1-stage impactor" />
    <attribute name="ebas_revision_date" value="20250425093238" />
    <attribute name="ebas_framework_acronym" value="EMEP" />
    <attribute name="ebas_exposed_filter_area" value="153.94 cm2" />
    <attribute name="ebas_filter_prefiring" value="773.15 K, 24.0 h" />
    <attribute name="ebas_detection_limit_expl" value="Quantification limit, Determined by taking 3 times the method detection limit for analyte using 7 filter from the same batch" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Dionex" />
  </variable>
  <variable name="elemental_carbon_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_elemental_carbon_in_pm2p5_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug C/m3" />
    <attribute name="ancillary_variables" value="elemental_carbon_amean_qc elemental_carbon_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_analytical_laboratory_code" value="FR12L" />
    <attribute name="ebas_artifact_correction" value="None" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_framework_description" value="The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems." />
    <attribute name="ebas_analytical_instrument_name" value="Inst275-73" />
    <attribute name="ebas_analytical_instrument_model" value="OCEC Lab Instrument Model 4L" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_analytical_measurement_technique" value="thermal-optical_analysis" />
    <attribute name="ebas_station_latitude" value="48.261977778" />
    <attribute name="ebas_filter_description" value="2500 QAT-UP diameter 150mm" />
    <attribute name="ebas_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <attribute name="ebas_station_longitude" value="-2.943830556" />
    <attribute name="ebas_station_altitude" value="307.0 m" />
    <attribute name="ebas_instrument_name" value="Digitel_DA80_28" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_detection_limit_expl" value="for TC and OC Quantification limit 3 times the method detection limit using 7 filters from same batch; for EC Detection limit assumed to be analytical dectection limit" />
    <attribute name="ebas_matrix" value="pm25" />
    <attribute name="ebas_station_name" value="Kergoff" />
    <attribute name="ebas_filter_face_velocity" value="54.13 cm/s" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_component" value="elemental_carbon" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_platform_code" value="FR0028S" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_filter_conditioning" value="None" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_method_ref" value="FR12L_sunset_EUSAAR2" />
    <attribute name="ebas_data_level" value="2" />
    <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: EMEP." />
    <attribute name="ebas_submitter" value="Bourin, Aude, , , , , , , , , " />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Sunset Laboratory" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_originator" value="Bourin, Aude, , , , , , , , , " />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v2014, TEMP=EUSAAR_2" />
    <attribute name="ebas_revision_date" value="20240329090000" />
    <attribute name="ebas_station_code" value="FR0028R" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_unit" value="ug C/m3" />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_charring_correction" value="By laser transmission" />
    <attribute name="ebas_inlet_description" value="DIGITEL DPM2,5/30/00 pre-separator constructed as a 1-stage impactor" />
    <attribute name="ebas_framework_acronym" value="EMEP" />
    <attribute name="ebas_exposed_filter_area" value="153.94 cm2" />
    <attribute name="ebas_filter_prefiring" value="773.15 K, 24.0 h" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Measurement uncertainty calculation done by following the example proposed by J.P. Putaud" />
  </variable>
  <variable name="benzo_a_pyrene" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_benzo_a_pyrene_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="benzo_a_pyrene_qc benzo_a_pyrene_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_framework_description" value="The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems." />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_station_latitude" value="48.261977778" />
    <attribute name="ebas_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <attribute name="ebas_station_longitude" value="-2.943830556" />
    <attribute name="ebas_station_altitude" value="307.0 m" />
    <attribute name="ebas_instrument_name" value="Digitel_DA80_28" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
    <attribute name="ebas_component" value="benzo_a_pyrene" />
    <attribute name="ebas_station_name" value="Kergoff" />
    <attribute name="ebas_analytical_laboratory_code" value="FR20L" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_method_ref" value="FR20L_GC-MS_analysis" />
    <attribute name="ebas_station_code" value="FR0028R" />
    <attribute name="ebas_filter_description" value="Pallflex" />
    <attribute name="ebas_analytical_measurement_technique" value="GC-MS" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_detection_limit_expl" value="Quantification limit, Determined by taking 3 times the instrumental detection limit for analyte" />
    <attribute name="ebas_revision_date" value="20240206120000" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_platform_code" value="FR0028S" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_submitter" value="Bourin, Aude, , , , , , , , , " />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_detection_limit" value="0.007 ng/m3" />
    <attribute name="ebas_originator" value="Bourin, Aude, , , , , , , , , " />
    <attribute name="ebas_analytical_instrument_name" value="GC-MS_analysis" />
  </variable>
  <variable name="nitrate_ug_N_per_m3_qc" shape="nitrate_ug_N_per_m3_qc_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="ammonium_ug_N_per_m3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_ammonium_expressed_as_nitrogen_in_pm2p5_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="ammonium_ug N_per_m3_qc ammonium_ug N_per_m3_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_analytical_laboratory_code" value="FR12L" />
    <attribute name="ebas_framework_description" value="The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems." />
    <attribute name="ebas_component" value="ammonium" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_station_latitude" value="48.261977778" />
    <attribute name="ebas_filter_description" value="2500 QAT-UP diameter 150mm" />
    <attribute name="ebas_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <attribute name="ebas_station_longitude" value="-2.943830556" />
    <attribute name="ebas_station_altitude" value="307.0 m" />
    <attribute name="ebas_instrument_name" value="Digitel_DA80_28" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_method_ref" value="FR12L_ion_chromatography" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
    <attribute name="ebas_matrix" value="pm25" />
    <attribute name="ebas_station_name" value="Kergoff" />
    <attribute name="ebas_filter_face_velocity" value="54.13 cm/s" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_analytical_instrument_name" value="ion_chromatography" />
    <attribute name="ebas_station_code" value="FR0028R" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_analytical_instrument_model" value="DX-600" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_platform_code" value="FR0028S" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_analytical_measurement_technique" value="IC" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_data_level" value="2" />
    <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: EMEP." />
    <attribute name="ebas_submitter" value="Bourin, Aude, , , , , , , , , " />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_originator" value="Bourin, Aude, , , , , , , , , " />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_unit" value="ug N/m3" />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme" />
    <attribute name="ebas_sample_preparation" value="Water extraction after ultrasonic treatment" />
    <attribute name="ebas_inlet_description" value="DIGITEL DPM2,5/30/00 pre-separator constructed as a 1-stage impactor" />
    <attribute name="ebas_revision_date" value="20250425093238" />
    <attribute name="ebas_framework_acronym" value="EMEP" />
    <attribute name="ebas_exposed_filter_area" value="153.94 cm2" />
    <attribute name="ebas_filter_prefiring" value="773.15 K, 24.0 h" />
    <attribute name="ebas_detection_limit_expl" value="Quantification limit, Determined by taking 3 times the method detection limit for analyte using 7 filter from the same batch" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Dionex" />
  </variable>
  <variable name="nitrate_ug_N_per_m3_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="sodium_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="calcium_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="nitrate_ug_per_m3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_nitrate_in_pm2p5_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="nitrate_ug_per_m3_qc nitrate_ug_per_m3_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_analytical_laboratory_code" value="FR12L" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_framework_description" value="The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems." />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_station_latitude" value="48.261977778" />
    <attribute name="ebas_filter_description" value="2500 QAT-UP diameter 150mm" />
    <attribute name="ebas_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <attribute name="ebas_station_longitude" value="-2.943830556" />
    <attribute name="ebas_station_altitude" value="307.0 m" />
    <attribute name="ebas_instrument_name" value="Digitel_DA80_28" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_method_ref" value="FR12L_ion_chromatography" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
    <attribute name="ebas_matrix" value="pm25" />
    <attribute name="ebas_station_name" value="Kergoff" />
    <attribute name="ebas_component" value="nitrate" />
    <attribute name="ebas_filter_face_velocity" value="54.13 cm/s" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_analytical_instrument_name" value="ion_chromatography" />
    <attribute name="ebas_station_code" value="FR0028R" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_analytical_instrument_model" value="DX-600" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_platform_code" value="FR0028S" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_analytical_measurement_technique" value="IC" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_data_level" value="2" />
    <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: EMEP." />
    <attribute name="ebas_submitter" value="Bourin, Aude, , , , , , , , , " />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_originator" value="Bourin, Aude, , , , , , , , , " />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme" />
    <attribute name="ebas_sample_preparation" value="Water extraction after ultrasonic treatment" />
    <attribute name="ebas_inlet_description" value="DIGITEL DPM2,5/30/00 pre-separator constructed as a 1-stage impactor" />
    <attribute name="ebas_revision_date" value="20250425093238" />
    <attribute name="ebas_framework_acronym" value="EMEP" />
    <attribute name="ebas_exposed_filter_area" value="153.94 cm2" />
    <attribute name="ebas_filter_prefiring" value="773.15 K, 24.0 h" />
    <attribute name="ebas_detection_limit_expl" value="Quantification limit, Determined by taking 3 times the method detection limit for analyte using 7 filter from the same batch" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Dionex" />
  </variable>
  <variable name="chloride" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_chloride_in_pm2p5_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="chloride_qc chloride_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_analytical_laboratory_code" value="FR12L" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_framework_description" value="The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems." />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_station_latitude" value="48.261977778" />
    <attribute name="ebas_filter_description" value="2500 QAT-UP diameter 150mm" />
    <attribute name="ebas_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <attribute name="ebas_station_longitude" value="-2.943830556" />
    <attribute name="ebas_station_altitude" value="307.0 m" />
    <attribute name="ebas_instrument_name" value="Digitel_DA80_28" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_method_ref" value="FR12L_ion_chromatography" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
    <attribute name="ebas_matrix" value="pm25" />
    <attribute name="ebas_station_name" value="Kergoff" />
    <attribute name="ebas_filter_face_velocity" value="54.13 cm/s" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_analytical_instrument_name" value="ion_chromatography" />
    <attribute name="ebas_station_code" value="FR0028R" />
    <attribute name="ebas_component" value="chloride" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_analytical_instrument_model" value="DX-600" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_platform_code" value="FR0028S" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_analytical_measurement_technique" value="IC" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_data_level" value="2" />
    <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: EMEP." />
    <attribute name="ebas_submitter" value="Bourin, Aude, , , , , , , , , " />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_originator" value="Bourin, Aude, , , , , , , , , " />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme" />
    <attribute name="ebas_sample_preparation" value="Water extraction after ultrasonic treatment" />
    <attribute name="ebas_inlet_description" value="DIGITEL DPM2,5/30/00 pre-separator constructed as a 1-stage impactor" />
    <attribute name="ebas_revision_date" value="20250425093238" />
    <attribute name="ebas_framework_acronym" value="EMEP" />
    <attribute name="ebas_exposed_filter_area" value="153.94 cm2" />
    <attribute name="ebas_filter_prefiring" value="773.15 K, 24.0 h" />
    <attribute name="ebas_detection_limit_expl" value="Quantification limit, Determined by taking 3 times the method detection limit for analyte using 7 filter from the same batch" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Dionex" />
  </variable>
  <variable name="elemental_carbon_uncertainty_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="total_carbon_uncertainty_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="organic_carbon_uncertainty" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_organic_carbon_in_pm2p5_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug C/m3" />
    <attribute name="ancillary_variables" value="organic_carbon_uncertainty_qc organic_carbon_uncertainty_ebasmetadata" />
    <attribute name="cell_methods" value="time: uncertainty" />
    <attribute name="ebas_analytical_laboratory_code" value="FR12L" />
    <attribute name="ebas_artifact_correction" value="None" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_framework_description" value="The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems." />
    <attribute name="ebas_analytical_instrument_name" value="Inst275-73" />
    <attribute name="ebas_analytical_instrument_model" value="OCEC Lab Instrument Model 4L" />
    <attribute name="ebas_originator" value="Bourin, Aude, , , , , , , , , " />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_station_latitude" value="48.261977778" />
    <attribute name="ebas_filter_description" value="2500 QAT-UP diameter 150mm" />
    <attribute name="ebas_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <attribute name="ebas_statistics" value="uncertainty" />
    <attribute name="ebas_station_longitude" value="-2.943830556" />
    <attribute name="ebas_station_altitude" value="307.0 m" />
    <attribute name="ebas_instrument_name" value="Digitel_DA80_28" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_detection_limit_expl" value="for TC and OC Quantification limit 3 times the method detection limit using 7 filters from same batch; for EC Detection limit assumed to be analytical dectection limit" />
    <attribute name="ebas_matrix" value="pm25" />
    <attribute name="ebas_station_name" value="Kergoff" />
    <attribute name="ebas_filter_face_velocity" value="54.13 cm/s" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_station_code" value="FR0028R" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_filter_conditioning" value="None" />
    <attribute name="ebas_platform_code" value="FR0028S" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_method_ref" value="FR12L_sunset_EUSAAR2" />
    <attribute name="ebas_data_level" value="2" />
    <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: EMEP." />
    <attribute name="ebas_submitter" value="Bourin, Aude, , , , , , , , , " />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Sunset Laboratory" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_component" value="organic_carbon" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v2014, TEMP=EUSAAR_2" />
    <attribute name="ebas_revision_date" value="20240329090000" />
    <attribute name="ebas_analytical_measurement_technique" value="thermal-optical_analysis" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_unit" value="ug C/m3" />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_charring_correction" value="By laser transmission" />
    <attribute name="ebas_inlet_description" value="DIGITEL DPM2,5/30/00 pre-separator constructed as a 1-stage impactor" />
    <attribute name="ebas_framework_acronym" value="EMEP" />
    <attribute name="ebas_exposed_filter_area" value="153.94 cm2" />
    <attribute name="ebas_filter_prefiring" value="773.15 K, 24.0 h" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Measurement uncertainty calculation done by following the example proposed by J.P. Putaud" />
  </variable>
  <variable name="organic_carbon_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="sulphate_total_ug_per_m3_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="sulphate_corrected_ug_per_m3_qc" shape="sulphate_corrected_ug_per_m3_qc_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="inden_123cd_pyrene" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_inden_123cd_pyrene_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="inden_123cd_pyrene_qc inden_123cd_pyrene_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_framework_description" value="The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems." />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_station_latitude" value="48.261977778" />
    <attribute name="ebas_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <attribute name="ebas_station_longitude" value="-2.943830556" />
    <attribute name="ebas_station_altitude" value="307.0 m" />
    <attribute name="ebas_instrument_name" value="Digitel_DA80_28" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_component" value="inden_123cd_pyrene" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
    <attribute name="ebas_station_name" value="Kergoff" />
    <attribute name="ebas_analytical_laboratory_code" value="FR20L" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_method_ref" value="FR20L_GC-MS_analysis" />
    <attribute name="ebas_station_code" value="FR0028R" />
    <attribute name="ebas_filter_description" value="Pallflex" />
    <attribute name="ebas_analytical_measurement_technique" value="GC-MS" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_detection_limit_expl" value="Quantification limit, Determined by taking 3 times the instrumental detection limit for analyte" />
    <attribute name="ebas_revision_date" value="20240206120000" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_platform_code" value="FR0028S" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_submitter" value="Bourin, Aude, , , , , , , , , " />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_detection_limit" value="0.007 ng/m3" />
    <attribute name="ebas_originator" value="Bourin, Aude, , , , , , , , , " />
    <attribute name="ebas_analytical_instrument_name" value="GC-MS_analysis" />
  </variable>
  <variable name="organic_carbon_uncertainty_qc" shape="organic_carbon_uncertainty_qc_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="magnesium_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="ammonium_ug_per_m3_qc" shape="ammonium_ug_per_m3_qc_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="organic_carbon_amean_Fraction_ebasmetadata" shape="Fraction metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="sulphate_corrected_ug_S_per_m3_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="dibenzo_ah_anthracene" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_dibenzo_ah_anthracene_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="dibenzo_ah_anthracene_qc dibenzo_ah_anthracene_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_framework_description" value="The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems." />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_station_latitude" value="48.261977778" />
    <attribute name="ebas_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <attribute name="ebas_station_longitude" value="-2.943830556" />
    <attribute name="ebas_station_altitude" value="307.0 m" />
    <attribute name="ebas_instrument_name" value="Digitel_DA80_28" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_component" value="dibenzo_ah_anthracene" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
    <attribute name="ebas_station_name" value="Kergoff" />
    <attribute name="ebas_analytical_laboratory_code" value="FR20L" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_method_ref" value="FR20L_GC-MS_analysis" />
    <attribute name="ebas_station_code" value="FR0028R" />
    <attribute name="ebas_filter_description" value="Pallflex" />
    <attribute name="ebas_analytical_measurement_technique" value="GC-MS" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_detection_limit_expl" value="Quantification limit, Determined by taking 3 times the instrumental detection limit for analyte" />
    <attribute name="ebas_revision_date" value="20240206120000" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_platform_code" value="FR0028S" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_submitter" value="Bourin, Aude, , , , , , , , , " />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_detection_limit" value="0.007 ng/m3" />
    <attribute name="ebas_originator" value="Bourin, Aude, , , , , , , , , " />
    <attribute name="ebas_analytical_instrument_name" value="GC-MS_analysis" />
  </variable>
  <variable name="ammonium_ug_N_per_m3_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="calcium" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_calcium_in_pm2p5_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="calcium_qc calcium_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_analytical_laboratory_code" value="FR12L" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_framework_description" value="The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems." />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_station_latitude" value="48.261977778" />
    <attribute name="ebas_filter_description" value="2500 QAT-UP diameter 150mm" />
    <attribute name="ebas_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <attribute name="ebas_station_longitude" value="-2.943830556" />
    <attribute name="ebas_station_altitude" value="307.0 m" />
    <attribute name="ebas_instrument_name" value="Digitel_DA80_28" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_method_ref" value="FR12L_ion_chromatography" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
    <attribute name="ebas_matrix" value="pm25" />
    <attribute name="ebas_station_name" value="Kergoff" />
    <attribute name="ebas_filter_face_velocity" value="54.13 cm/s" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_analytical_instrument_name" value="ion_chromatography" />
    <attribute name="ebas_station_code" value="FR0028R" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_analytical_instrument_model" value="DX-600" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_platform_code" value="FR0028S" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_analytical_measurement_technique" value="IC" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_data_level" value="2" />
    <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: EMEP." />
    <attribute name="ebas_submitter" value="Bourin, Aude, , , , , , , , , " />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_originator" value="Bourin, Aude, , , , , , , , , " />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme" />
    <attribute name="ebas_sample_preparation" value="Water extraction after ultrasonic treatment" />
    <attribute name="ebas_component" value="calcium" />
    <attribute name="ebas_inlet_description" value="DIGITEL DPM2,5/30/00 pre-separator constructed as a 1-stage impactor" />
    <attribute name="ebas_revision_date" value="20250425093238" />
    <attribute name="ebas_framework_acronym" value="EMEP" />
    <attribute name="ebas_exposed_filter_area" value="153.94 cm2" />
    <attribute name="ebas_filter_prefiring" value="773.15 K, 24.0 h" />
    <attribute name="ebas_detection_limit_expl" value="Quantification limit, Determined by taking 3 times the method detection limit for analyte using 7 filter from the same batch" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Dionex" />
  </variable>
  <variable name="benz_a_anthracene_qc" shape="benz_a_anthracene_qc_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="sulphate_corrected_ug_S_per_m3_qc" shape="sulphate_corrected_ug_S_per_m3_qc_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="magnesium" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_magnesium_in_pm2p5_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="magnesium_qc magnesium_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_analytical_laboratory_code" value="FR12L" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_framework_description" value="The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems." />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_station_latitude" value="48.261977778" />
    <attribute name="ebas_filter_description" value="2500 QAT-UP diameter 150mm" />
    <attribute name="ebas_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <attribute name="ebas_station_longitude" value="-2.943830556" />
    <attribute name="ebas_station_altitude" value="307.0 m" />
    <attribute name="ebas_instrument_name" value="Digitel_DA80_28" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_method_ref" value="FR12L_ion_chromatography" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
    <attribute name="ebas_matrix" value="pm25" />
    <attribute name="ebas_station_name" value="Kergoff" />
    <attribute name="ebas_filter_face_velocity" value="54.13 cm/s" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_analytical_instrument_name" value="ion_chromatography" />
    <attribute name="ebas_station_code" value="FR0028R" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_analytical_instrument_model" value="DX-600" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_platform_code" value="FR0028S" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_analytical_measurement_technique" value="IC" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_data_level" value="2" />
    <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: EMEP." />
    <attribute name="ebas_submitter" value="Bourin, Aude, , , , , , , , , " />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_originator" value="Bourin, Aude, , , , , , , , , " />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_filter_prefiring" value="773.15 K, 24.0 h" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme" />
    <attribute name="ebas_sample_preparation" value="Water extraction after ultrasonic treatment" />
    <attribute name="ebas_inlet_description" value="DIGITEL DPM2,5/30/00 pre-separator constructed as a 1-stage impactor" />
    <attribute name="ebas_revision_date" value="20250425093238" />
    <attribute name="ebas_framework_acronym" value="EMEP" />
    <attribute name="ebas_exposed_filter_area" value="153.94 cm2" />
    <attribute name="ebas_component" value="magnesium" />
    <attribute name="ebas_detection_limit_expl" value="Quantification limit, Determined by taking 3 times the method detection limit for analyte using 7 filter from the same batch" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Dionex" />
  </variable>
  <variable name="potassium_qc" shape="potassium_qc_flags time" type="int">
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="calcium_qc" shape="calcium_qc_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="benzo_k_fluoranthene" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_benzo_k_fluoranthene_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="benzo_k_fluoranthene_qc benzo_k_fluoranthene_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_framework_description" value="The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems." />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_station_latitude" value="48.261977778" />
    <attribute name="ebas_organization" value="FR07L, Institut Mines Telecom Lille Douai, IMT Lille Douai, SAGE department, 941 rue Charles Bourseul, CS 10838, 59508, Douai, France" />
    <attribute name="ebas_station_longitude" value="-2.943830556" />
    <attribute name="ebas_station_altitude" value="307.0 m" />
    <attribute name="ebas_instrument_name" value="Digitel_DA80_28" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
    <attribute name="ebas_station_name" value="Kergoff" />
    <attribute name="ebas_analytical_laboratory_code" value="FR20L" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_component" value="benzo_k_fluoranthene" />
    <attribute name="ebas_station_code" value="FR0028R" />
    <attribute name="ebas_filter_description" value="Pallflex" />
    <attribute name="ebas_analytical_measurement_technique" value="GC-MS" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_detection_limit_expl" value="Quantification limit, Determined by taking 3 times the instrumental detection limit for analyte" />
    <attribute name="ebas_revision_date" value="20240206120000" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_platform_code" value="FR0028S" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_laboratory_code" value="FR07L" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_submitter" value="Bourin, Aude, , , , , , , , , " />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_method_ref" value="FR20L_GC-MS_analysis" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_detection_limit" value="0.007 ng/m3" />
    <attribute name="ebas_originator" value="Bourin, Aude, , , , , , , , , " />
    <attribute name="ebas_analytical_instrument_name" value="GC-MS_analysis" />
  </variable>
  <variable name="magnesium_qc" shape="magnesium_qc_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="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 1900-01-01 00:00:00 UTC" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="gregorian" />
    <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 1900-01-01 00:00:00 UTC" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="gregorian" />
    <attribute name="bounds" value="metadata_time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
  </variable>
  <variable name="Fraction" shape="Fraction" type="String" />
</netcdf>
