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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 and pm10_mass at Beromünster" />
  <attribute name="keywords" value="pm10_mass, CAMPAIGN, pm10, mass_concentration_of_total_carbon_in_pm10_in_air, total_carbon, elemental_carbon, Beromünster, mass_concentration_of_organic_carbon_in_pm10_in_air, mass_concentration_of_elemental_carbon_in_pm10_in_air, mass_concentration_of_pm10_ambient_aerosol_particles_in_air, EMEP, CH0053R, organic_carbon" />
  <attribute name="id" value="CH0053R.20220712000000.20260803122109.high_vol_sampler..pm10.8d.1d.CH01L_digitel_53..lev2.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="CAMPAIGN, EMEP" />
  <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 frameworks: CAMPAIGN, 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." separator="|" />
  <attribute name="doi" value="https://doi.org/10.48597/C5ER-NTSU|https://doi.org/10.48597/Y84X-KVS5|https://doi.org/10.48597/2V9F-2WQB" separator="|" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Hueglin, C., CAMPAIGN, EMEP, 2026, OC/EC and pm10_mass at Beromünster, data hosted by EBAS at NILU, Part of DOI: https://doi.org/10.48597/C5ER-NTSU, https://doi.org/10.48597/Y84X-KVS5, https://doi.org/10.48597/2V9F-2WQB" />
  <attribute name="summary" value="OC/EC and pm10_mass at Beromünster. These measurements are gathered as a part of the following projects CAMPAIGN, EMEP and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: elemental_carbon in pm10 (mass_concentration_of_elemental_carbon_in_pm10_in_air), elemental_carbon in pm10 (mass_concentration_of_elemental_carbon_in_pm10_in_air), organic_carbon in pm10 (mass_concentration_of_organic_carbon_in_pm10_in_air), organic_carbon in pm10 (mass_concentration_of_organic_carbon_in_pm10_in_air), pm10_mass in pm10 (mass_concentration_of_pm10_ambient_aerosol_particles_in_air), total_carbon in pm10 (mass_concentration_of_total_carbon_in_pm10_in_air), total_carbon in pm10 (mass_concentration_of_total_carbon_in_pm10_in_air)" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, 8600, Dübendorf, Switzerland" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2026-08-03T12:21:09 UTC" />
  <attribute name="date_metadata_modified" value="2026-08-03T12:21:09 UTC" />
  <attribute name="creator_name" value="Christoph Hueglin" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="" />
  <attribute name="creator_institution" value="" />
  <attribute name="contributor_name" value="Thomas Seitz" />
  <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 (47.18961391 8.175433684 797.0)" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="geospatial_lat_min" type="double" value="47.18961391" />
  <attribute name="geospatial_lat_max" type="double" value="47.18961391" />
  <attribute name="geospatial_lon_min" type="double" value="8.175433684" />
  <attribute name="geospatial_lon_max" type="double" value="8.175433684" />
  <attribute name="geospatial_vertical_min" type="double" value="797.0" />
  <attribute name="geospatial_vertical_max" type="double" value="797.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="time_coverage_start" value="2022-07-12T00:00:00 UTC" />
  <attribute name="time_coverage_end" value="2022-07-20T00:00:00 UTC" />
  <attribute name="time_coverage_duration" value="P0000-00-08T00:00:00" />
  <attribute name="time_coverage_resolution" value="P0000-00-01T00:00:00" />
  <attribute name="timezone" value="UTC" />
  <attribute name="ebas_data_definition" value="EBAS_1.1" />
  <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="ebas_citation" value="Hueglin, C., CAMPAIGN, EMEP, 2026, OC/EC and pm10_mass at Beromünster, data hosted by EBAS at NILU, Part of DOI: https://doi.org/10.48597/C5ER-NTSU, https://doi.org/10.48597/Y84X-KVS5, https://doi.org/10.48597/2V9F-2WQB" />
  <attribute name="ebas_set_type_code" value="TU" />
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  <attribute name="ebas_file_name" value="CH0053R.20220712000000.20260803122109.high_vol_sampler..pm10.8d.1d.CH01L_digitel_53..lev2.nc" />
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  <attribute name="ebas_resolution_code" value="1d" />
  <attribute name="ebas_sample_duration" value="1d" />
  <attribute name="ebas_station_code" value="CH0053R" />
  <attribute name="ebas_platform_code" value="CH0053S" />
  <attribute name="ebas_station_name" value="Beromünster" />
  <attribute name="ebas_station_wdca_id" value="GAWACH__BRM" />
  <attribute name="ebas_station_gaw_id" value="BRM" />
  <attribute name="ebas_station_gaw_name" value="BEROMUENSTER" />
  <attribute name="ebas_station_land_use" value="Agricultural" />
  <attribute name="ebas_station_setting" value="Rural" />
  <attribute name="ebas_station_gaw_type" value="R" />
  <attribute name="ebas_station_wmo_region" value="7" />
  <attribute name="ebas_station_latitude" value="47.18961391" />
  <attribute name="ebas_station_longitude" value="8.175433684" />
  <attribute name="ebas_station_altitude" value="797.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_matrix" value="pm10" />
  <attribute name="ebas_laboratory_code" value="CH01L" />
  <attribute name="ebas_instrument_type" value="high_vol_sampler" />
  <attribute name="ebas_instrument_name" value="digitel_53" />
  <attribute name="ebas_instrument_manufacturer" value="DIGITEL" />
  <attribute name="ebas_instrument_model" value="DA-80" />
  <attribute name="ebas_qa1_measure_id" value="ECAC-OCEC-2018-1" />
  <attribute name="ebas_qa1_date" value="2018-04-01 UTC" />
  <attribute name="ebas_qa1_document_name" value="Results of the inter-laboratory comparison exercise for TC and EC measurements (ref.: OCEC-2018-1)" />
  <attribute name="ebas_qa1_document_url" value="http://www.actris-ecac.eu/files/ECAC-report-OCEC-2018-1.pdf" />
  <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
  <attribute name="ebas_originator" value="Hueglin, Christoph, , , , , , , , , " />
  <attribute name="ebas_submitter" value="Seitz, Thomas, , , , , , , , , " />
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  <attribute name="Metadata_Conventions" value="Unidata Dataset Discovery v1.0" />
  <attribute name="geospatial_lat_units" value="degrees_north" />
  <attribute name="geospatial_lon_units" value="degrees_east" />
  <attribute name="comment" value="{&#xA;    &quot;Data definition&quot;: &quot;EBAS_1.1&quot;, &#xA;    &quot;Data license&quot;: &quot;https://creativecommons.org/licenses/by/4.0/&quot;, &#xA;    &quot;Citation&quot;: &quot;Hueglin, C., CAMPAIGN, EMEP, 2026, OC/EC and pm10_mass at Beromünster, data hosted by EBAS at NILU, Part of DOI: https://doi.org/10.48597/C5ER-NTSU, https://doi.org/10.48597/Y84X-KVS5, https://doi.org/10.48597/2V9F-2WQB&quot;, &#xA;    &quot;Set type code&quot;: &quot;TU&quot;, &#xA;    &quot;Timezone&quot;: &quot;UTC&quot;, &#xA;    &quot;File name&quot;: &quot;CH0053R.20220712000000.20260803122109.high_vol_sampler..pm10.8d.1d.CH01L_digitel_53..lev2.nc&quot;, &#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/C5ER-NTSU, https://doi.org/10.48597/Y84X-KVS5, https://doi.org/10.48597/2V9F-2WQB&quot;, &#xA;    &quot;File creation&quot;: &quot;2026-08-03T12:46:50.290608 UTC&quot;, &#xA;    &quot;Export state&quot;: &quot;2026-08-03T12:25:03.845730 UTC&quot;, &#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;, &#xA;    &quot;Startdate&quot;: &quot;20220712000000&quot;, &#xA;    &quot;Revision date&quot;: &quot;20260803122109&quot;, &#xA;    &quot;Data level&quot;: &quot;2&quot;, &#xA;    &quot;Period code&quot;: &quot;8d&quot;, &#xA;    &quot;Resolution code&quot;: &quot;1d&quot;, &#xA;    &quot;Sample duration&quot;: &quot;1d&quot;, &#xA;    &quot;Station code&quot;: &quot;CH0053R&quot;, &#xA;    &quot;Platform code&quot;: &quot;CH0053S&quot;, &#xA;    &quot;Station name&quot;: &quot;Beromünster&quot;, &#xA;    &quot;Station WDCA-ID&quot;: &quot;GAWACH__BRM&quot;, &#xA;    &quot;Station GAW-ID&quot;: &quot;BRM&quot;, &#xA;    &quot;Station GAW-Name&quot;: &quot;BEROMUENSTER&quot;, &#xA;    &quot;Station land use&quot;: &quot;Agricultural&quot;, &#xA;    &quot;Station setting&quot;: &quot;Rural&quot;, &#xA;    &quot;Station GAW type&quot;: &quot;R&quot;, &#xA;    &quot;Station WMO region&quot;: &quot;7&quot;, &#xA;    &quot;Station latitude&quot;: &quot;47.18961391&quot;, &#xA;    &quot;Station longitude&quot;: &quot;8.175433684&quot;, &#xA;    &quot;Station altitude&quot;: &quot;797.0 m&quot;, &#xA;    &quot;Regime&quot;: &quot;IMG&quot;, &#xA;    &quot;Matrix&quot;: &quot;pm10&quot;, &#xA;    &quot;Laboratory code&quot;: &quot;CH01L&quot;, &#xA;    &quot;Instrument type&quot;: &quot;high_vol_sampler&quot;, &#xA;    &quot;Instrument name&quot;: &quot;digitel_53&quot;, &#xA;    &quot;Instrument manufacturer&quot;: &quot;DIGITEL&quot;, &#xA;    &quot;Instrument model&quot;: &quot;DA-80&quot;, &#xA;    &quot;QA1 measure ID&quot;: &quot;ECAC-OCEC-2018-1&quot;, &#xA;    &quot;QA1 date&quot;: &quot;2018-04-01 UTC&quot;, &#xA;    &quot;QA1 document name&quot;: &quot;Results of the inter-laboratory comparison exercise for TC and EC measurements (ref.: OCEC-2018-1)&quot;, &#xA;    &quot;QA1 document URL&quot;: &quot;http://www.actris-ecac.eu/files/ECAC-report-OCEC-2018-1.pdf&quot;, &#xA;    &quot;Organization&quot;: &quot;CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland&quot;, &#xA;    &quot;Originator&quot;: &quot;Hueglin, Christoph, , , , , , , , , &quot;, &#xA;    &quot;Submitter&quot;: &quot;Seitz, Thomas, , , , , , , , , &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="8" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="1" />
  <dimension name="organic_carbon_amean_qc_flags" length="1" />
  <dimension name="pm10_mass_1_qc_flags" length="1" />
  <dimension name="total_carbon_uncertainty_qc_flags" length="1" />
  <dimension name="total_carbon_amean_qc_flags" length="1" />
  <dimension name="pm10_mass_0_qc_flags" length="1" />
  <dimension name="elemental_carbon_amean_qc_flags" length="1" />
  <dimension name="elemental_carbon_uncertainty_qc_flags" length="1" />
  <dimension name="organic_carbon_uncertainty_qc_flags" length="1" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2022-07-12T12:00:00Z" />
    <attribute name="time_coverage_end" value="2022-07-19T12:00:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="86400.0" />
    <attribute name="time_coverage_duration" value="P0Y0M7DT0H0M0.000S" />
  </group>
  <group name="NCISOMetadata">
    <attribute name="metadata_creation" value="2026-08-16" />
    <attribute name="nciso_version" value="2.4.8" />
  </group>
  <variable name="time_bnds" shape="time tbnds" type="double">
    <attribute name="long_name" value="time bounds for measurement" />
  </variable>
  <variable name="metadata_time_bnds" shape="metadata_time tbnds" type="double">
    <attribute name="long_name" value="time bounds for ebas metadata intervals" />
  </variable>
  <variable name="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="pm10_mass_1_qc" shape="pm10_mass_1_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" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_organic_carbon_in_pm10_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_artifact_correction" value="None" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_originator" value="Hueglin, Christoph, , , , , , , , , " />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_filter_description" value="PALLFLEX XP56 Tissuquartz 2500QAT-UP" />
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    <attribute name="ebas_station_gaw_name" value="BEROMUENSTER" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_framework_acronym" value="CAMPAIGN, EMEP" />
    <attribute name="ebas_revision_date" value="20260803122109" />
    <attribute name="ebas_qa1_bias" value="2.5 %" />
    <attribute name="ebas_detection_limit_expl" value="From running a number of true instrument blanks, averaging, getting standard deviation, and then multiplying by two. The value is 0.2 ug/sq cm." />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_method_ref" value="CH01L_EUSAAR2_IMP_2022" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_submitter" value="Seitz, Thomas, , , , , , , , , " />
    <attribute name="ebas_framework_name" value=", European Monitoring and Evaluation Programme" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__BRM" />
    <attribute name="ebas_charring_correction" value="By laser transmission" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_instrument_manufacturer" value="DIGITEL" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: CAMPAIGN, EMEP." />
    <attribute name="ebas_detection_limit" value="0.04 ug C/m3" />
    <attribute name="ebas_analytical_measurement_technique" value="thermal-optical_analysis" />
    <attribute name="ebas_standard_method" value="TEMP=EUSAAR_2" />
    <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_filter_face_velocity" value="54.0 cm/s" />
    <attribute name="ebas_qa1_variability" value="3.2 %" />
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    <attribute name="ebas_blank_correction" value="Not blank corrected" />
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    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Sunset Laboratory" />
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    <attribute name="ebas_component" value="organic_carbon" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no, kt@nilu.no" />
    <attribute name="ebas_instrument_model" value="DA-80" />
    <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_station_setting" value="Rural" />
    <attribute name="ebas_framework_contact_name" value="Wenche Aas, Kjetil Tørseth" />
    <attribute name="ebas_analytical_instrument_model" value="OCEC Lab Instrument Model 5L" />
    <attribute name="ebas_filter_prefiring" value="Not prefired" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_exposed_filter_area" value="153.94 cm2" />
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  </variable>
  <variable name="pm10_mass_1" shape="time" type="double">
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    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_originator" value="Hueglin, Christoph, , , , , , , , , " />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_station_gaw_name" value="BEROMUENSTER" />
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    <attribute name="ebas_revision_date" value="20260803122109" />
    <attribute name="ebas_submitter" value="Seitz, Thomas, , , , , , , , , " />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__BRM" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_instrument_manufacturer" value="DIGITEL" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: CAMPAIGN, EMEP." />
    <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." />
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    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_component" value="pm10_mass" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_method_ref" value="CH01L_pm_IMP_2022" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_instrument_name" value="digitel_53" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no, kt@nilu.no" />
    <attribute name="ebas_instrument_model" value="DA-80" />
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    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_framework_contact_name" value="Wenche Aas, Kjetil Tørseth" />
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  </variable>
  <variable name="pm10_mass_0" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_pm10_ambient_aerosol_particles_in_air" />
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    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="pm10_mass_0_qc pm10_mass_0_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <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_data_level" value="2" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_originator" value="Hueglin, Christoph, , , , , , , , , " />
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    <attribute name="ebas_submitter" value="Seitz, Thomas, , , , , , , , , " />
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    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_method_ref" value="CH01L_pm" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
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    <attribute name="ebas_station_land_use" value="Agricultural" />
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    <attribute name="ebas_station_name" value="Beromünster" />
    <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." />
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  <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_pm10_in_air" />
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    <attribute name="units" value="ug C/m3" />
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    <attribute name="cell_methods" value="time: uncertainty" />
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    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_component" value="total_carbon" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_originator" value="Hueglin, Christoph, , , , , , , , , " />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_filter_description" value="PALLFLEX XP56 Tissuquartz 2500QAT-UP" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_station_gaw_name" value="BEROMUENSTER" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_revision_date" value="20260803122109" />
    <attribute name="ebas_statistics" value="uncertainty" />
    <attribute name="ebas_detection_limit_expl" value="From running a number of true instrument blanks, averaging, getting standard deviation, and then multiplying by two. The value is 0.2 ug/sq cm." />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_method_ref" value="CH01L_EUSAAR2_IMP_2022" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_submitter" value="Seitz, Thomas, , , , , , , , , " />
    <attribute name="ebas_framework_name" value=", European Monitoring and Evaluation Programme" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__BRM" />
    <attribute name="ebas_charring_correction" value="By laser transmission" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_instrument_manufacturer" value="DIGITEL" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: CAMPAIGN, EMEP." />
    <attribute name="ebas_analytical_measurement_technique" value="thermal-optical_analysis" />
    <attribute name="ebas_standard_method" value="TEMP=EUSAAR_2" />
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    <attribute name="ebas_filter_face_velocity" value="54.0 cm/s" />
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    <attribute name="ebas_flow_rate" value="500.0 l/min" />
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    <attribute name="ebas_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Sunset Laboratory" />
    <attribute name="ebas_instrument_name" value="digitel_53" />
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    <attribute name="ebas_instrument_model" value="DA-80" />
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    <attribute name="ebas_volume_std_pressure" value="ambient" />
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    <attribute name="ebas_station_setting" value="Rural" />
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    <attribute name="ebas_analytical_instrument_model" value="OCEC Lab Instrument Model 5L" />
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    <attribute name="ebas_exposed_filter_area" value="153.94 cm2" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
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  </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="total_carbon_uncertainty_qc" shape="total_carbon_uncertainty_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
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    <attribute name="units" value="1" />
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  <variable name="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="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="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_pm10_in_air" />
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    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_artifact_correction" value="None" />
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    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_component" value="total_carbon" />
    <attribute name="ebas_qa1_bias" value="1.7 %" />
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    <attribute name="ebas_originator" value="Hueglin, Christoph, , , , , , , , , " />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_filter_description" value="PALLFLEX XP56 Tissuquartz 2500QAT-UP" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
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    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: CAMPAIGN, EMEP." />
    <attribute name="ebas_detection_limit" value="0.04 ug C/m3" />
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    <attribute name="ebas_blank_correction" value="Not blank corrected" />
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    <attribute name="ebas_station_latitude" value="47.18961391" />
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    <attribute name="ebas_volume_std_pressure" value="ambient" />
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    <attribute name="ebas_station_setting" value="Rural" />
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  <variable name="pm10_mass_0_qc" shape="pm10_mass_0_qc_flags time" type="int">
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    <attribute name="standard_name" value="status_flag" />
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  <variable name="elemental_carbon_amean_qc" shape="elemental_carbon_amean_qc_flags time" type="int">
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    <attribute name="units" value="1" />
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  <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="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="elemental_carbon_uncertainty_qc" shape="elemental_carbon_uncertainty_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
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    <attribute name="units" value="1" />
  </variable>
  <variable name="elemental_carbon_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
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    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_originator" value="Hueglin, Christoph, , , , , , , , , " />
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    <attribute name="ebas_charring_correction" value="By laser transmission" />
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    <attribute name="ebas_detection_limit" value="0.04 ug C/m3" />
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    <attribute name="ebas_filter_face_velocity" value="54.0 cm/s" />
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    <attribute name="ebas_blank_correction" value="Not blank corrected" />
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    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Sunset Laboratory" />
    <attribute name="ebas_instrument_name" value="digitel_53" />
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    <attribute name="ebas_instrument_model" value="DA-80" />
    <attribute name="ebas_analytical_measurement_technique" value="thermal-optical_analysis" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
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    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_framework_contact_name" value="Wenche Aas, Kjetil Tørseth" />
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  <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_pm10_in_air" />
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    <attribute name="units" value="ug C/m3" />
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    <attribute name="cell_methods" value="time: uncertainty" />
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    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_originator" value="Hueglin, Christoph, , , , , , , , , " />
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    <attribute name="ebas_filter_description" value="PALLFLEX XP56 Tissuquartz 2500QAT-UP" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
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    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_method_ref" value="CH01L_EUSAAR2_IMP_2022" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_submitter" value="Seitz, Thomas, , , , , , , , , " />
    <attribute name="ebas_framework_name" value=", European Monitoring and Evaluation Programme" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__BRM" />
    <attribute name="ebas_charring_correction" value="By laser transmission" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_instrument_manufacturer" value="DIGITEL" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: CAMPAIGN, EMEP." />
    <attribute name="ebas_component" value="elemental_carbon" />
    <attribute name="ebas_standard_method" value="TEMP=EUSAAR_2" />
    <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_filter_face_velocity" value="54.0 cm/s" />
    <attribute name="ebas_analytical_instrument_name" value="OCEC_Lab_Instrument_Model_5L" />
    <attribute name="ebas_framework_acronym" value="CAMPAIGN, EMEP" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_analytical_laboratory_code" value="CH01L" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_filter_conditioning" value="293.15 K, 50.0 %RH, 96.0 h" />
    <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_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Sunset Laboratory" />
    <attribute name="ebas_instrument_name" value="digitel_53" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no, kt@nilu.no" />
    <attribute name="ebas_instrument_model" value="DA-80" />
    <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_station_setting" value="Rural" />
    <attribute name="ebas_framework_contact_name" value="Wenche Aas, Kjetil Tørseth" />
    <attribute name="ebas_analytical_instrument_model" value="OCEC Lab Instrument Model 5L" />
    <attribute name="ebas_filter_prefiring" value="Not prefired" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_exposed_filter_area" value="153.94 cm2" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
  </variable>
  <variable name="pm10_mass_0_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </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_pm10_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_artifact_correction" value="None" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_originator" value="Hueglin, Christoph, , , , , , , , , " />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_filter_description" value="PALLFLEX XP56 Tissuquartz 2500QAT-UP" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_station_gaw_name" value="BEROMUENSTER" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_revision_date" value="20260803122109" />
    <attribute name="ebas_statistics" value="uncertainty" />
    <attribute name="ebas_detection_limit_expl" value="From running a number of true instrument blanks, averaging, getting standard deviation, and then multiplying by two. The value is 0.2 ug/sq cm." />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_method_ref" value="CH01L_EUSAAR2_IMP_2022" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_submitter" value="Seitz, Thomas, , , , , , , , , " />
    <attribute name="ebas_framework_name" value=", European Monitoring and Evaluation Programme" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__BRM" />
    <attribute name="ebas_charring_correction" value="By laser transmission" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_instrument_manufacturer" value="DIGITEL" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: CAMPAIGN, EMEP." />
    <attribute name="ebas_analytical_measurement_technique" value="thermal-optical_analysis" />
    <attribute name="ebas_standard_method" value="TEMP=EUSAAR_2" />
    <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_filter_face_velocity" value="54.0 cm/s" />
    <attribute name="ebas_analytical_instrument_name" value="OCEC_Lab_Instrument_Model_5L" />
    <attribute name="ebas_framework_acronym" value="CAMPAIGN, EMEP" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_analytical_laboratory_code" value="CH01L" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_filter_conditioning" value="293.15 K, 50.0 %RH, 96.0 h" />
    <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_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Sunset Laboratory" />
    <attribute name="ebas_instrument_name" value="digitel_53" />
    <attribute name="ebas_component" value="organic_carbon" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no, kt@nilu.no" />
    <attribute name="ebas_instrument_model" value="DA-80" />
    <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_station_setting" value="Rural" />
    <attribute name="ebas_framework_contact_name" value="Wenche Aas, Kjetil Tørseth" />
    <attribute name="ebas_analytical_instrument_model" value="OCEC Lab Instrument Model 5L" />
    <attribute name="ebas_filter_prefiring" value="Not prefired" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_exposed_filter_area" value="153.94 cm2" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
  </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="pm10_mass_1_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="time" shape="time" type="double">
    <attribute name="long_name" value="time of measurement" />
    <attribute name="standard_name" value="time" />
    <attribute name="units" value="days since 1900-01-01 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>
</netcdf>
