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  <attribute name="title" value="Heavy metals at Birkenes II" />
  <attribute name="summary" value="Heavy metals at Birkenes II. These measurements are gathered as a part of the following projects CAMP, EMEP, NILU and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: ['arsenic in pm10 (mass_concentration_of_arsenic_in_pm10_in_air)', 'cadmium in pm10 (mass_concentration_of_cadmium_in_pm10_in_air)', 'chromium in pm10 (mass_concentration_of_chromium_in_pm10_in_air)', 'cobalt in pm10 (mass_concentration_of_cobalt_in_pm10_in_air)', 'copper in pm10 (mass_concentration_of_copper_in_pm10_in_air)', 'lead in pm10 (mass_concentration_of_lead_in_pm10_in_air)', 'nickel in pm10 (mass_concentration_of_nickel_in_pm10_in_air)', 'vanadium in pm10 (mass_concentration_of_vanadium_in_pm10_in_air)', 'zinc in pm10 (mass_concentration_of_zinc_in_pm10_in_air)']" />
  <attribute name="keywords" value="&quot;Birkenes II&quot; NO0002R arsenic cadmium chromium cobalt copper lead nickel vanadium zinc pm10 CAMP EMEP NILU mass_concentration_of_arsenic_in_pm10_in_air mass_concentration_of_cadmium_in_pm10_in_air mass_concentration_of_chromium_in_pm10_in_air mass_concentration_of_cobalt_in_pm10_in_air mass_concentration_of_copper_in_pm10_in_air mass_concentration_of_lead_in_pm10_in_air mass_concentration_of_nickel_in_pm10_in_air mass_concentration_of_vanadium_in_pm10_in_air mass_concentration_of_zinc_in_pm10_in_air" />
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  <attribute name="doi" value="https://doi.org/10.48597/D5JC-7QJV" />
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  <attribute name="date_metadata_modified" value="2018-12-10T13:30:00Z" />
  <attribute name="creator_name" value="Wenche Aas" />
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  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_unit" value="ng/m3" />
  <attribute name="ebas_matrix" value="pm10" />
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  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="7" />
  <dimension name="qc_arsenic_flags" length="1" />
  <dimension name="qc_cadmium_flags" length="1" />
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  <dimension name="qc_zinc_flags" length="1" />
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    <attribute name="long_name" value="time bounds for measurement" />
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    <attribute name="ebas_station_wdca_id" value="GAWANO__BIR" />
    <attribute name="ebas_station_gaw_id" value="BIR" />
    <attribute name="ebas_station_gaw_name" value="Birkenes Atmospheric Observatory" />
    <attribute name="ebas_station_other_ids" value="BIR (ICOS), Birkenes (AERONET), 201(NILUDB)" />
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    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="58.38853" />
    <attribute name="ebas_station_longitude" type="double" value="8.252" />
    <attribute name="ebas_station_altitude" value="219.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="chromium" />
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    <attribute name="actris_variable_preferred_term" value="aerosol particle chromium mass concentration" />
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    <attribute name="standard_name" value="status_flag" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="standard_name" value="mass_concentration_of_cobalt_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
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    <attribute name="ancillary_variables" value="qc_cobalt meta_cobalt" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2018-12-10T13:30:00.000000Z" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_station_code" value="NO0002R" />
    <attribute name="ebas_platform_code" value="NO0002S" />
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    <attribute name="ebas_station_gaw_name" value="Birkenes Atmospheric Observatory" />
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    <attribute name="ebas_station_longitude" type="double" value="8.252" />
    <attribute name="ebas_station_altitude" value="219.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="cobalt" />
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    <attribute name="actris_variable_preferred_term" value="aerosol particle cobalt mass concentration" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="standard_name" value="mass_concentration_of_copper_in_pm10_in_air" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2018-12-10T13:30:00.000000Z" />
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    <attribute name="ebas_station_altitude" value="219.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="copper" />
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    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_lead_in_pm10_in_air" />
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    <attribute name="ancillary_variables" value="qc_lead meta_lead" />
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    <attribute name="ebas_component" value="nickel" />
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    <attribute name="actris_variable_preferred_term" value="aerosol particle nickel mass concentration" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_vanadium_in_pm10_in_air" />
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    <attribute name="ebas_station_altitude" value="219.0 m" />
    <attribute name="ebas_regime" value="IMG" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="standard_name" value="mass_concentration_of_zinc_in_pm10_in_air" />
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