<?xml version="1.0" encoding="UTF-8"?>
<netcdf xmlns="http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2" location="Not provided because of security concerns.">
  <attribute name="Conventions" value="CF-1.8, ACDD-1.3" />
  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="POPs (persistent organic pollutants) at Villum Research Station, Station Nord" />
  <attribute name="keywords" value="PCB_170, mass_concentration_of_pp_dichlorodiphenyltrichloroethane_in_air, heptachlorepoxide, PCB_194, op_DDT, pp_DDE, beta_endosulfan, mass_concentration_of_heptachlor_in_air, mass_concentration_of_alpha_hexachlorocyclohexane_in_air, AMAP, PCB_209, PCB_138, PCB_153, PCB_206, mass_concentration_of_polychlorinated_biphenyl_206_in_air, DK0010G, cis_NO, aldrin, PCB_118, mass_concentration_of_op_dichlorodiphenyldichloroethane_in_air, mass_concentration_of_dieldrin_in_air, mass_concentration_of_polychlorinated_biphenyl_3_in_air, endrin, mass_concentration_of_pp_dichlorodiphenyldichloroethane_in_air, mass_concentration_of_polychlorinated_biphenyl_138_in_air, mass_concentration_of_polychlorinated_biphenyl_153_in_air, cis_CD, mass_concentration_of_cis_nonechlor_in_air, mass_concentration_of_pp_dichlorodiphenyldichloroethylene_in_air, PCB_28, mass_concentration_of_heptachlor_epoxide_in_air, mass_concentration_of_polychlorinated_biphenyl_209_in_air, pp_DDT, mass_concentration_of_endrin_in_air, alpha_endosulfan, mass_concentration_of_aldrin_in_air, mass_concentration_of_op_dichlorodiphenyltrichloroethane_in_air, mass_concentration_of_delta_hexachlorocyclohexane_in_aerosol, dieldrin, mass_concentration_of_hexachlorobenzene_in_air, mass_concentration_of_polychlorinated_biphenyl_52_in_air, PCB_180, mass_concentration_of_polychlorinated_biphenyl_194_in_air, gamma_HCH, delta_HCH, HCB, op_DDD, op_DDE, heptachlor, mass_concentration_of_polychlorinated_biphenyl_118_in_air, beta_HCH, pp_DDD, PCB_3, mass_concentration_of_polychlorinated_biphenyl_28_in_air, mass_concentration_of_op_dichlorodiphenyldichloroethylene_in_air, mass_concentration_of_beta_hexachlorocyclohexane_in_air, Villum Research Station, Station Nord, PCB_52, air, air+aerosol, mass_concentration_of_polychlorinated_biphenyl_170_in_air, mass_concentration_of_cis_chlordane_in_air, alpha_HCH, mass_concentration_of_polychlorinated_biphenyl_180_in_air, EMEP, mass_concentration_of_gamma_hexachlorocyclohexane_in_air" />
  <attribute name="id" value="DK0010G.20240708000000.20260629114430.high_vol_sampler...25w.4w.DK01L_HVS.DK01L_GC-MS.lev2.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="AMAP, 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: AMAP, EMEP." />
  <attribute name="doi" value="https://doi.org/10.48597/DBNT-GA5H" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Keller, R., AMAP, EMEP, 2026, POPs (persistent organic pollutants) at Villum Research Station, Station Nord, data hosted by EBAS at NILU, Part of DOI: https://doi.org/10.48597/DBNT-GA5H" />
  <attribute name="summary" value="POPs (persistent organic pollutants) at Villum Research Station, Station Nord. These measurements are gathered as a part of the following projects AMAP, EMEP and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: HCB in air (mass_concentration_of_hexachlorobenzene_in_air), PCB_118 in air (mass_concentration_of_polychlorinated_biphenyl_118_in_air), PCB_138 in air (mass_concentration_of_polychlorinated_biphenyl_138_in_air), PCB_153 in air (mass_concentration_of_polychlorinated_biphenyl_153_in_air), PCB_170 in air (mass_concentration_of_polychlorinated_biphenyl_170_in_air), PCB_180 in air (mass_concentration_of_polychlorinated_biphenyl_180_in_air), PCB_194 in air (mass_concentration_of_polychlorinated_biphenyl_194_in_air), PCB_206 in air (mass_concentration_of_polychlorinated_biphenyl_206_in_air), PCB_209 in air (mass_concentration_of_polychlorinated_biphenyl_209_in_air), PCB_28 in air (mass_concentration_of_polychlorinated_biphenyl_28_in_air), PCB_3 in air (mass_concentration_of_polychlorinated_biphenyl_3_in_air), PCB_52 in air (mass_concentration_of_polychlorinated_biphenyl_52_in_air), aldrin in air (mass_concentration_of_aldrin_in_air), alpha_HCH in air (mass_concentration_of_alpha_hexachlorocyclohexane_in_air), alpha_endosulfan in air, beta_HCH in air (mass_concentration_of_beta_hexachlorocyclohexane_in_air), beta_endosulfan in air, cis_CD in air (mass_concentration_of_cis_chlordane_in_air), cis_NO in air (mass_concentration_of_cis_nonechlor_in_air), delta_HCH in air+aerosol (mass_concentration_of_delta_hexachlorocyclohexane_in_aerosol), dieldrin in air (mass_concentration_of_dieldrin_in_air), endrin in air (mass_concentration_of_endrin_in_air), gamma_HCH in air (mass_concentration_of_gamma_hexachlorocyclohexane_in_air), heptachlor in air (mass_concentration_of_heptachlor_in_air), heptachlorepoxide in air (mass_concentration_of_heptachlor_epoxide_in_air), op_DDD in air (mass_concentration_of_op_dichlorodiphenyldichloroethane_in_air), op_DDE in air (mass_concentration_of_op_dichlorodiphenyldichloroethylene_in_air), op_DDT in air (mass_concentration_of_op_dichlorodiphenyltrichloroethane_in_air), pp_DDD in air (mass_concentration_of_pp_dichlorodiphenyldichloroethane_in_air), pp_DDE in air (mass_concentration_of_pp_dichlorodiphenyldichloroethylene_in_air), pp_DDT in air (mass_concentration_of_pp_dichlorodiphenyltrichloroethane_in_air)" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="DK01L, National Environmental Research Institute, NERI, P.O.Box 358, Fredriksborgvei 399, DK-4000 Roskilde, Denmark" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2026-06-29T11:44:30 UTC" />
  <attribute name="date_metadata_modified" value="2026-06-29T11:44:30 UTC" />
  <attribute name="creator_name" value="Rune Keller" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="" />
  <attribute name="creator_institution" value="" />
  <attribute name="contributor_name" value="Rune Keller" />
  <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 (81.6 -16.67 20.0)" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="geospatial_lat_min" type="double" value="81.6" />
  <attribute name="geospatial_lat_max" type="double" value="81.6" />
  <attribute name="geospatial_lon_min" type="double" value="-16.67" />
  <attribute name="geospatial_lon_max" type="double" value="-16.67" />
  <attribute name="geospatial_vertical_min" type="double" value="20.0" />
  <attribute name="geospatial_vertical_max" type="double" value="20.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="time_coverage_start" value="2024-07-08T00:00:00 UTC" />
  <attribute name="time_coverage_end" value="2024-12-30T00:00:00 UTC" />
  <attribute name="time_coverage_duration" value="P0000-05-22T00:00:00" />
  <attribute name="time_coverage_resolution" value="P0000-00-28T00:00:00" />
  <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="Keller, R., AMAP, EMEP, 2026, POPs (persistent organic pollutants) at Villum Research Station, Station Nord, data hosted by EBAS at NILU, Part of DOI: https://doi.org/10.48597/DBNT-GA5H" />
  <attribute name="ebas_set_type_code" value="TI" />
  <attribute name="ebas_timezone" value="UTC" />
  <attribute name="ebas_file_name" value="DK0010G.20240708000000.20260629114430.high_vol_sampler...25w.4w.DK01L_HVS.DK01L_GC-MS.lev2.nc" />
  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/DBNT-GA5H" />
  <attribute name="ebas_file_creation" value="2026-07-02T15:40:46.344636 UTC" />
  <attribute name="ebas_export_state" value="2026-07-02T15:25:04.004518 UTC" />
  <attribute name="ebas_export_filter" value="exclude-900,exclude-invalid" />
  <attribute name="ebas_startdate" value="20240708000000" />
  <attribute name="ebas_revision_date" value="20260629114430" />
  <attribute name="ebas_statistics" value="arithmetic mean" />
  <attribute name="ebas_data_level" value="2" />
  <attribute name="ebas_period_code" value="25w" />
  <attribute name="ebas_resolution_code" value="4w" />
  <attribute name="ebas_station_code" value="DK0010G" />
  <attribute name="ebas_platform_code" value="DK0010S" />
  <attribute name="ebas_station_name" value="Villum Research Station, Station Nord" />
  <attribute name="ebas_station_latitude" value="81.6" />
  <attribute name="ebas_station_longitude" value="-16.67" />
  <attribute name="ebas_station_altitude" value="20.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_unit" value="pg/m3" />
  <attribute name="ebas_laboratory_code" value="DK01L" />
  <attribute name="ebas_instrument_type" value="high_vol_sampler" />
  <attribute name="ebas_instrument_name" value="HVS" />
  <attribute name="ebas_method_ref" value="DK01L_GC-MS" />
  <attribute name="ebas_organization" value="DK01L, National Environmental Research Institute, NERI, , &quot;P.O.Box 358, Fredriksborgvei 399, DK-4000 Roskilde, Denmark&quot;, , , , " />
  <attribute name="ebas_framework_acronym" value="AMAP, EMEP" />
  <attribute name="ebas_framework_name" value=", European Monitoring and Evaluation Programme" />
  <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="Wenche Aas, Kjetil Tørseth" />
  <attribute name="ebas_framework_contact_email" value="waa@nilu.no, kt@nilu.no" />
  <attribute name="ebas_originator" value="Keller, Rune, , , , , , , , , " />
  <attribute name="ebas_submitter" value="Keller, Rune, , , , , , , , , " />
  <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: AMAP, EMEP." />
  <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;Data license&quot;: &quot;https://creativecommons.org/licenses/by/4.0/&quot;, &#xA;    &quot;Citation&quot;: &quot;Keller, R., AMAP, EMEP, 2026, POPs (persistent organic pollutants) at Villum Research Station, Station Nord, data hosted by EBAS at NILU, Part of DOI: https://doi.org/10.48597/DBNT-GA5H&quot;, &#xA;    &quot;Set type code&quot;: &quot;TI&quot;, &#xA;    &quot;Timezone&quot;: &quot;UTC&quot;, &#xA;    &quot;File name&quot;: &quot;DK0010G.20240708000000.20260629114430.high_vol_sampler...25w.4w.DK01L_HVS.DK01L_GC-MS.lev2.nc&quot;, &#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/DBNT-GA5H&quot;, &#xA;    &quot;File creation&quot;: &quot;2026-07-02T15:40:46.344636 UTC&quot;, &#xA;    &quot;Export state&quot;: &quot;2026-07-02T15:25:04.004518 UTC&quot;, &#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;, &#xA;    &quot;Startdate&quot;: &quot;20240708000000&quot;, &#xA;    &quot;Revision date&quot;: &quot;20260629114430&quot;, &#xA;    &quot;Statistics&quot;: &quot;arithmetic mean&quot;, &#xA;    &quot;Data level&quot;: &quot;2&quot;, &#xA;    &quot;Period code&quot;: &quot;25w&quot;, &#xA;    &quot;Resolution code&quot;: &quot;4w&quot;, &#xA;    &quot;Station code&quot;: &quot;DK0010G&quot;, &#xA;    &quot;Platform code&quot;: &quot;DK0010S&quot;, &#xA;    &quot;Station name&quot;: &quot;Villum Research Station, Station Nord&quot;, &#xA;    &quot;Station latitude&quot;: &quot;81.6&quot;, &#xA;    &quot;Station longitude&quot;: &quot;-16.67&quot;, &#xA;    &quot;Station altitude&quot;: &quot;20.0 m&quot;, &#xA;    &quot;Regime&quot;: &quot;IMG&quot;, &#xA;    &quot;Unit&quot;: &quot;pg/m3&quot;, &#xA;    &quot;Laboratory code&quot;: &quot;DK01L&quot;, &#xA;    &quot;Instrument type&quot;: &quot;high_vol_sampler&quot;, &#xA;    &quot;Instrument name&quot;: &quot;HVS&quot;, &#xA;    &quot;Method ref&quot;: &quot;DK01L_GC-MS&quot;, &#xA;    &quot;Organization&quot;: &quot;DK01L, National Environmental Research Institute, NERI, , \&quot;P.O.Box 358, Fredriksborgvei 399, DK-4000 Roskilde, Denmark\&quot;, , , , &quot;, &#xA;    &quot;Framework acronym&quot;: &quot;AMAP, EMEP&quot;, &#xA;    &quot;Framework name&quot;: &quot;, European Monitoring and Evaluation Programme&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;Wenche Aas, Kjetil Tørseth&quot;, &#xA;    &quot;Framework contact email&quot;: &quot;waa@nilu.no, kt@nilu.no&quot;, &#xA;    &quot;Originator&quot;: &quot;Keller, Rune, , , , , , , , , &quot;, &#xA;    &quot;Submitter&quot;: &quot;Keller, Rune, , , , , , , , , &quot;, &#xA;    &quot;Acknowledgement&quot;: &quot;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: AMAP, EMEP.&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="6" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="1" />
  <dimension name="dieldrin_qc_flags" length="1" />
  <dimension name="alpha_endosulfan_qc_flags" length="1" />
  <dimension name="beta_HCH_qc_flags" length="1" />
  <dimension name="alpha_HCH_qc_flags" length="1" />
  <dimension name="PCB_170_qc_flags" length="1" />
  <dimension name="op_DDD_qc_flags" length="1" />
  <dimension name="HCB_qc_flags" length="1" />
  <dimension name="beta_endosulfan_qc_flags" length="1" />
  <dimension name="PCB_209_qc_flags" length="1" />
  <dimension name="cis_NO_qc_flags" length="1" />
  <dimension name="PCB_180_qc_flags" length="1" />
  <dimension name="PCB_194_qc_flags" length="1" />
  <dimension name="heptachlorepoxide_qc_flags" length="1" />
  <dimension name="delta_HCH_qc_flags" length="1" />
  <dimension name="cis_CD_qc_flags" length="1" />
  <dimension name="PCB_52_qc_flags" length="1" />
  <dimension name="PCB_3_qc_flags" length="1" />
  <dimension name="op_DDE_qc_flags" length="1" />
  <dimension name="PCB_206_qc_flags" length="1" />
  <dimension name="PCB_28_qc_flags" length="1" />
  <dimension name="PCB_153_qc_flags" length="1" />
  <dimension name="gamma_HCH_qc_flags" length="1" />
  <dimension name="PCB_118_qc_flags" length="1" />
  <dimension name="pp_DDE_qc_flags" length="1" />
  <dimension name="PCB_138_qc_flags" length="1" />
  <dimension name="pp_DDD_qc_flags" length="1" />
  <dimension name="endrin_qc_flags" length="1" />
  <dimension name="pp_DDT_qc_flags" length="1" />
  <dimension name="heptachlor_qc_flags" length="1" />
  <dimension name="aldrin_qc_flags" length="1" />
  <dimension name="op_DDT_qc_flags" length="1" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2024-07-11T12:00:00Z" />
    <attribute name="time_coverage_end" value="2024-12-26T12:00:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="2903040.0" />
    <attribute name="time_coverage_duration" value="P0Y0M168DT0H0M0.000S" />
  </group>
  <group name="NCISOMetadata">
    <attribute name="metadata_creation" value="2026-07-08" />
    <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="PCB_28_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="dieldrin_qc" shape="dieldrin_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="cis_CD_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="PCB_153" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_polychlorinated_biphenyl_153_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pg/m3" />
    <attribute name="ancillary_variables" value="PCB_153_qc PCB_153_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_platform_code" value="DK0010S" />
    <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: AMAP, EMEP." />
    <attribute name="ebas_framework_acronym" value="AMAP, EMEP" />
    <attribute name="ebas_originator" value="Keller, Rune, , , , , , , , , " />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_instrument_name" value="HVS" />
    <attribute name="ebas_station_code" value="DK0010G" />
    <attribute name="ebas_station_name" value="Villum Research Station, Station Nord" />
    <attribute name="ebas_organization" value="DK01L, National Environmental Research Institute, NERI, , &quot;P.O.Box 358, Fredriksborgvei 399, DK-4000 Roskilde, Denmark&quot;, , , , " />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_station_longitude" value="-16.67" />
    <attribute name="ebas_matrix" value="air" />
    <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_station_latitude" value="81.6" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_station_altitude" value="20.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="PCB_153" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_method_ref" value="DK01L_GC-MS" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no, kt@nilu.no" />
    <attribute name="ebas_framework_name" value=", European Monitoring and Evaluation Programme" />
    <attribute name="ebas_submitter" value="Keller, Rune, , , , , , , , , " />
    <attribute name="ebas_framework_contact_name" value="Wenche Aas, Kjetil Tørseth" />
    <attribute name="ebas_unit" value="pg/m3" />
    <attribute name="ebas_laboratory_code" value="DK01L" />
    <attribute name="ebas_revision_date" value="20260629113739" />
  </variable>
  <variable name="op_DDT_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="endrin" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_endrin_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pg/m3" />
    <attribute name="ancillary_variables" value="endrin_qc endrin_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_platform_code" value="DK0010S" />
    <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: AMAP, EMEP." />
    <attribute name="ebas_framework_acronym" value="AMAP, EMEP" />
    <attribute name="ebas_originator" value="Keller, Rune, , , , , , , , , " />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_instrument_name" value="HVS" />
    <attribute name="ebas_station_code" value="DK0010G" />
    <attribute name="ebas_station_name" value="Villum Research Station, Station Nord" />
    <attribute name="ebas_station_longitude" value="-16.67" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_organization" value="DK01L, National Environmental Research Institute, NERI, , &quot;P.O.Box 358, Fredriksborgvei 399, DK-4000 Roskilde, Denmark&quot;, , , , " />
    <attribute name="ebas_matrix" value="air" />
    <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_station_latitude" value="81.6" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_station_altitude" value="20.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_method_ref" value="DK01L_GC-MS" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no, kt@nilu.no" />
    <attribute name="ebas_component" value="endrin" />
    <attribute name="ebas_framework_name" value=", European Monitoring and Evaluation Programme" />
    <attribute name="ebas_submitter" value="Keller, Rune, , , , , , , , , " />
    <attribute name="ebas_framework_contact_name" value="Wenche Aas, Kjetil Tørseth" />
    <attribute name="ebas_unit" value="pg/m3" />
    <attribute name="ebas_laboratory_code" value="DK01L" />
    <attribute name="ebas_revision_date" value="20260629113625" />
  </variable>
  <variable name="cis_NO" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_cis_nonechlor_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pg/m3" />
    <attribute name="ancillary_variables" value="cis_NO_qc cis_NO_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_platform_code" value="DK0010S" />
    <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: AMAP, EMEP." />
    <attribute name="ebas_framework_acronym" value="AMAP, EMEP" />
    <attribute name="ebas_originator" value="Keller, Rune, , , , , , , , , " />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_instrument_name" value="HVS" />
    <attribute name="ebas_station_code" value="DK0010G" />
    <attribute name="ebas_station_name" value="Villum Research Station, Station Nord" />
    <attribute name="ebas_station_longitude" value="-16.67" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_organization" value="DK01L, National Environmental Research Institute, NERI, , &quot;P.O.Box 358, Fredriksborgvei 399, DK-4000 Roskilde, Denmark&quot;, , , , " />
    <attribute name="ebas_matrix" value="air" />
    <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_station_latitude" value="81.6" />
    <attribute name="ebas_component" value="cis_NO" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_station_altitude" value="20.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_method_ref" value="DK01L_GC-MS" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no, kt@nilu.no" />
    <attribute name="ebas_framework_name" value=", European Monitoring and Evaluation Programme" />
    <attribute name="ebas_submitter" value="Keller, Rune, , , , , , , , , " />
    <attribute name="ebas_framework_contact_name" value="Wenche Aas, Kjetil Tørseth" />
    <attribute name="ebas_unit" value="pg/m3" />
    <attribute name="ebas_laboratory_code" value="DK01L" />
    <attribute name="ebas_revision_date" value="20260629113625" />
  </variable>
  <variable name="PCB_170_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="alpha_endosulfan_qc" shape="alpha_endosulfan_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="beta_HCH_qc" shape="beta_HCH_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="PCB_209_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="alpha_HCH_qc" shape="alpha_HCH_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="PCB_28" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_polychlorinated_biphenyl_28_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pg/m3" />
    <attribute name="ancillary_variables" value="PCB_28_qc PCB_28_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_platform_code" value="DK0010S" />
    <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: AMAP, EMEP." />
    <attribute name="ebas_framework_acronym" value="AMAP, EMEP" />
    <attribute name="ebas_component" value="PCB_28" />
    <attribute name="ebas_originator" value="Keller, Rune, , , , , , , , , " />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_instrument_name" value="HVS" />
    <attribute name="ebas_station_code" value="DK0010G" />
    <attribute name="ebas_station_name" value="Villum Research Station, Station Nord" />
    <attribute name="ebas_station_longitude" value="-16.67" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_organization" value="DK01L, National Environmental Research Institute, NERI, , &quot;P.O.Box 358, Fredriksborgvei 399, DK-4000 Roskilde, Denmark&quot;, , , , " />
    <attribute name="ebas_matrix" value="air" />
    <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_station_latitude" value="81.6" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_station_altitude" value="20.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_method_ref" value="DK01L_GC-MS" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no, kt@nilu.no" />
    <attribute name="ebas_framework_name" value=", European Monitoring and Evaluation Programme" />
    <attribute name="ebas_submitter" value="Keller, Rune, , , , , , , , , " />
    <attribute name="ebas_framework_contact_name" value="Wenche Aas, Kjetil Tørseth" />
    <attribute name="ebas_unit" value="pg/m3" />
    <attribute name="ebas_laboratory_code" value="DK01L" />
    <attribute name="ebas_revision_date" value="20260629113739" />
  </variable>
  <variable name="PCB_170_qc" shape="PCB_170_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="pp_DDE_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="delta_HCH" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_delta_hexachlorocyclohexane_in_aerosol" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pg/m3" />
    <attribute name="ancillary_variables" value="delta_HCH_qc delta_HCH_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_platform_code" value="DK0010S" />
    <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: AMAP, EMEP." />
    <attribute name="ebas_component" value="delta_HCH" />
    <attribute name="ebas_framework_acronym" value="AMAP, EMEP" />
    <attribute name="ebas_originator" value="Keller, Rune, , , , , , , , , " />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_matrix" value="air+aerosol" />
    <attribute name="ebas_instrument_name" value="HVS" />
    <attribute name="ebas_station_code" value="DK0010G" />
    <attribute name="ebas_station_name" value="Villum Research Station, Station Nord" />
    <attribute name="ebas_organization" value="DK01L, National Environmental Research Institute, NERI, , &quot;P.O.Box 358, Fredriksborgvei 399, DK-4000 Roskilde, Denmark&quot;, , , , " />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_station_longitude" value="-16.67" />
    <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_station_latitude" value="81.6" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_station_altitude" value="20.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_method_ref" value="DK01L_GC-MS" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no, kt@nilu.no" />
    <attribute name="ebas_framework_name" value=", European Monitoring and Evaluation Programme" />
    <attribute name="ebas_revision_date" value="20260502000000" />
    <attribute name="ebas_submitter" value="Keller, Rune, , , , , , , , , " />
    <attribute name="ebas_framework_contact_name" value="Wenche Aas, Kjetil Tørseth" />
    <attribute name="ebas_unit" value="pg/m3" />
    <attribute name="ebas_laboratory_code" value="DK01L" />
  </variable>
  <variable name="aldrin_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="op_DDD_qc" shape="op_DDD_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="HCB_qc" shape="HCB_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="alpha_HCH_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="beta_endosulfan_qc" shape="beta_endosulfan_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="PCB_209_qc" shape="PCB_209_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="cis_NO_qc" shape="cis_NO_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="PCB_170" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_polychlorinated_biphenyl_170_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pg/m3" />
    <attribute name="ancillary_variables" value="PCB_170_qc PCB_170_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_platform_code" value="DK0010S" />
    <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: AMAP, EMEP." />
    <attribute name="ebas_framework_acronym" value="AMAP, EMEP" />
    <attribute name="ebas_originator" value="Keller, Rune, , , , , , , , , " />
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    <attribute name="ebas_instrument_name" value="HVS" />
    <attribute name="ebas_component" value="PCB_170" />
    <attribute name="ebas_station_code" value="DK0010G" />
    <attribute name="ebas_station_name" value="Villum Research Station, Station Nord" />
    <attribute name="ebas_station_longitude" value="-16.67" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_organization" value="DK01L, National Environmental Research Institute, NERI, , &quot;P.O.Box 358, Fredriksborgvei 399, DK-4000 Roskilde, Denmark&quot;, , , , " />
    <attribute name="ebas_matrix" value="air" />
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    <attribute name="ebas_station_latitude" value="81.6" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_station_altitude" value="20.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_method_ref" value="DK01L_GC-MS" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no, kt@nilu.no" />
    <attribute name="ebas_framework_name" value=", European Monitoring and Evaluation Programme" />
    <attribute name="ebas_submitter" value="Keller, Rune, , , , , , , , , " />
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    <attribute name="ebas_unit" value="pg/m3" />
    <attribute name="ebas_laboratory_code" value="DK01L" />
    <attribute name="ebas_revision_date" value="20260629113739" />
  </variable>
  <variable name="PCB_180_qc" shape="PCB_180_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="alpha_endosulfan" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pg/m3" />
    <attribute name="ancillary_variables" value="alpha_endosulfan_qc alpha_endosulfan_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_platform_code" value="DK0010S" />
    <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: AMAP, EMEP." />
    <attribute name="ebas_framework_acronym" value="AMAP, EMEP" />
    <attribute name="ebas_originator" value="Keller, Rune, , , , , , , , , " />
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    <attribute name="ebas_revision_date" value="20260629114430" />
    <attribute name="ebas_instrument_name" value="HVS" />
    <attribute name="ebas_station_code" value="DK0010G" />
    <attribute name="ebas_station_name" value="Villum Research Station, Station Nord" />
    <attribute name="ebas_station_longitude" value="-16.67" />
    <attribute name="ebas_component" value="alpha_endosulfan" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
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    <attribute name="ebas_station_altitude" value="20.0 m" />
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    <attribute name="ebas_framework_contact_email" value="waa@nilu.no, kt@nilu.no" />
    <attribute name="ebas_framework_name" value=", European Monitoring and Evaluation Programme" />
    <attribute name="ebas_submitter" value="Keller, Rune, , , , , , , , , " />
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    <attribute name="ebas_unit" value="pg/m3" />
    <attribute name="ebas_laboratory_code" value="DK01L" />
  </variable>
  <variable name="pp_DDE" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_pp_dichlorodiphenyldichloroethylene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pg/m3" />
    <attribute name="ancillary_variables" value="pp_DDE_qc pp_DDE_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_platform_code" value="DK0010S" />
    <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: AMAP, EMEP." />
    <attribute name="ebas_framework_acronym" value="AMAP, EMEP" />
    <attribute name="ebas_originator" value="Keller, Rune, , , , , , , , , " />
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    <attribute name="ebas_instrument_name" value="HVS" />
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    <attribute name="ebas_station_name" value="Villum Research Station, Station Nord" />
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    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
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    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_data_level" value="2" />
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    <attribute name="ebas_framework_contact_email" value="waa@nilu.no, kt@nilu.no" />
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    <attribute name="ebas_submitter" value="Keller, Rune, , , , , , , , , " />
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    <attribute name="ebas_laboratory_code" value="DK01L" />
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  </variable>
  <variable name="pp_DDD" shape="time" type="double">
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    <attribute name="ancillary_variables" value="pp_DDD_qc pp_DDD_ebasmetadata" />
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    <attribute name="ebas_platform_code" value="DK0010S" />
    <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: AMAP, EMEP." />
    <attribute name="ebas_framework_acronym" value="AMAP, EMEP" />
    <attribute name="ebas_originator" value="Keller, Rune, , , , , , , , , " />
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    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_organization" value="DK01L, National Environmental Research Institute, NERI, , &quot;P.O.Box 358, Fredriksborgvei 399, DK-4000 Roskilde, Denmark&quot;, , , , " />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pg/m3" />
    <attribute name="ancillary_variables" value="aldrin_qc aldrin_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_platform_code" value="DK0010S" />
    <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: AMAP, EMEP." />
    <attribute name="ebas_framework_acronym" value="AMAP, EMEP" />
    <attribute name="ebas_originator" value="Keller, Rune, , , , , , , , , " />
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    <attribute name="ebas_statistics" value="arithmetic mean" />
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    <attribute name="ebas_station_name" value="Villum Research Station, Station Nord" />
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    <attribute name="ebas_laboratory_code" value="DK01L" />
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    <attribute name="units" value="pg/m3" />
    <attribute name="ancillary_variables" value="pp_DDT_qc pp_DDT_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_platform_code" value="DK0010S" />
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    <attribute name="ebas_framework_acronym" value="AMAP, EMEP" />
    <attribute name="ebas_originator" value="Keller, Rune, , , , , , , , , " />
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    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
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  <variable name="heptachlorepoxide_qc" shape="heptachlorepoxide_qc_flags time" type="int">
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    <attribute name="standard_name" value="status_flag" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="delta_HCH_qc" shape="delta_HCH_qc_flags time" type="int">
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    <attribute name="standard_name" value="status_flag" />
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    <attribute name="units" value="1" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="cis_CD_qc" shape="cis_CD_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" />
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    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
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    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
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    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_gamma_hexachlorocyclohexane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
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    <attribute name="ancillary_variables" value="gamma_HCH_qc gamma_HCH_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_platform_code" value="DK0010S" />
    <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: AMAP, EMEP." />
    <attribute name="ebas_framework_acronym" value="AMAP, EMEP" />
    <attribute name="ebas_originator" value="Keller, Rune, , , , , , , , , " />
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    <attribute name="ebas_component" value="gamma_HCH" />
    <attribute name="ebas_station_code" value="DK0010G" />
    <attribute name="ebas_station_name" value="Villum Research Station, Station Nord" />
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    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
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  <variable name="HCB" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_hexachlorobenzene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pg/m3" />
    <attribute name="ancillary_variables" value="HCB_qc HCB_ebasmetadata" />
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    <attribute name="ebas_platform_code" value="DK0010S" />
    <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: AMAP, EMEP." />
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    <attribute name="standard_name" value="status_flag" />
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    <attribute name="units" value="1" />
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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: AMAP, EMEP." />
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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_polychlorinated_biphenyl_209_in_air" />
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    <attribute name="cell_methods" value="time: mean" />
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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: AMAP, EMEP." />
    <attribute name="ebas_framework_acronym" value="AMAP, EMEP" />
    <attribute name="ebas_originator" value="Keller, Rune, , , , , , , , , " />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
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    <attribute name="standard_name" value="mass_concentration_of_polychlorinated_biphenyl_206_in_air" />
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    <attribute name="units" value="pg/m3" />
    <attribute name="ancillary_variables" value="PCB_206_qc PCB_206_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_platform_code" value="DK0010S" />
    <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: AMAP, EMEP." />
    <attribute name="ebas_framework_acronym" value="AMAP, EMEP" />
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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_polychlorinated_biphenyl_118_in_air" />
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    <attribute name="ebas_framework_acronym" value="AMAP, EMEP" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="ebas_component" value="heptachlorepoxide" />
    <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: AMAP, EMEP." />
    <attribute name="ebas_framework_acronym" value="AMAP, EMEP" />
    <attribute name="ebas_originator" value="Keller, Rune, , , , , , , , , " />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_instrument_name" value="HVS" />
    <attribute name="ebas_station_code" value="DK0010G" />
    <attribute name="ebas_station_name" value="Villum Research Station, Station Nord" />
    <attribute name="ebas_station_longitude" value="-16.67" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_organization" value="DK01L, National Environmental Research Institute, NERI, , &quot;P.O.Box 358, Fredriksborgvei 399, DK-4000 Roskilde, Denmark&quot;, , , , " />
    <attribute name="ebas_matrix" value="air" />
    <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_station_latitude" value="81.6" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_station_altitude" value="20.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_method_ref" value="DK01L_GC-MS" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no, kt@nilu.no" />
    <attribute name="ebas_framework_name" value=", European Monitoring and Evaluation Programme" />
    <attribute name="ebas_submitter" value="Keller, Rune, , , , , , , , , " />
    <attribute name="ebas_framework_contact_name" value="Wenche Aas, Kjetil Tørseth" />
    <attribute name="ebas_unit" value="pg/m3" />
    <attribute name="ebas_laboratory_code" value="DK01L" />
    <attribute name="ebas_revision_date" value="20260629113625" />
  </variable>
  <variable name="pp_DDT_qc" shape="pp_DDT_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="heptachlor_qc" shape="heptachlor_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="PCB_138" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_polychlorinated_biphenyl_138_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pg/m3" />
    <attribute name="ancillary_variables" value="PCB_138_qc PCB_138_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_platform_code" value="DK0010S" />
    <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: AMAP, EMEP." />
    <attribute name="ebas_framework_acronym" value="AMAP, EMEP" />
    <attribute name="ebas_originator" value="Keller, Rune, , , , , , , , , " />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_instrument_name" value="HVS" />
    <attribute name="ebas_station_code" value="DK0010G" />
    <attribute name="ebas_station_name" value="Villum Research Station, Station Nord" />
    <attribute name="ebas_station_longitude" value="-16.67" />
    <attribute name="ebas_component" value="PCB_138" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_organization" value="DK01L, National Environmental Research Institute, NERI, , &quot;P.O.Box 358, Fredriksborgvei 399, DK-4000 Roskilde, Denmark&quot;, , , , " />
    <attribute name="ebas_matrix" value="air" />
    <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_station_latitude" value="81.6" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_station_altitude" value="20.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_method_ref" value="DK01L_GC-MS" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no, kt@nilu.no" />
    <attribute name="ebas_framework_name" value=", European Monitoring and Evaluation Programme" />
    <attribute name="ebas_submitter" value="Keller, Rune, , , , , , , , , " />
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    <attribute name="ebas_unit" value="pg/m3" />
    <attribute name="ebas_laboratory_code" value="DK01L" />
    <attribute name="ebas_revision_date" value="20260629113739" />
  </variable>
  <variable name="heptachlor_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="alpha_endosulfan_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="endrin_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="aldrin_qc" shape="aldrin_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="beta_HCH_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="op_DDT" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_op_dichlorodiphenyltrichloroethane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pg/m3" />
    <attribute name="ancillary_variables" value="op_DDT_qc op_DDT_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_platform_code" value="DK0010S" />
    <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: AMAP, EMEP." />
    <attribute name="ebas_framework_acronym" value="AMAP, EMEP" />
    <attribute name="ebas_originator" value="Keller, Rune, , , , , , , , , " />
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    <attribute name="ebas_instrument_name" value="HVS" />
    <attribute name="ebas_station_code" value="DK0010G" />
    <attribute name="ebas_station_name" value="Villum Research Station, Station Nord" />
    <attribute name="ebas_station_longitude" value="-16.67" />
    <attribute name="ebas_component" value="op_DDT" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_organization" value="DK01L, National Environmental Research Institute, NERI, , &quot;P.O.Box 358, Fredriksborgvei 399, DK-4000 Roskilde, Denmark&quot;, , , , " />
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    <attribute name="ebas_station_altitude" value="20.0 m" />
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    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_method_ref" value="DK01L_GC-MS" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no, kt@nilu.no" />
    <attribute name="ebas_framework_name" value=", European Monitoring and Evaluation Programme" />
    <attribute name="ebas_submitter" value="Keller, Rune, , , , , , , , , " />
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    <attribute name="ebas_laboratory_code" value="DK01L" />
    <attribute name="ebas_revision_date" value="20260629113625" />
  </variable>
  <variable name="op_DDD" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_op_dichlorodiphenyldichloroethane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pg/m3" />
    <attribute name="ancillary_variables" value="op_DDD_qc op_DDD_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_platform_code" value="DK0010S" />
    <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: AMAP, EMEP." />
    <attribute name="ebas_framework_acronym" value="AMAP, EMEP" />
    <attribute name="ebas_originator" value="Keller, Rune, , , , , , , , , " />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_revision_date" value="20260629114430" />
    <attribute name="ebas_instrument_name" value="HVS" />
    <attribute name="ebas_station_code" value="DK0010G" />
    <attribute name="ebas_station_name" value="Villum Research Station, Station Nord" />
    <attribute name="ebas_station_longitude" value="-16.67" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
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    <attribute name="ebas_station_latitude" value="81.6" />
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    <attribute name="ebas_station_altitude" value="20.0 m" />
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    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_method_ref" value="DK01L_GC-MS" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no, kt@nilu.no" />
    <attribute name="ebas_framework_name" value=", European Monitoring and Evaluation Programme" />
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    <attribute name="ebas_submitter" value="Keller, Rune, , , , , , , , , " />
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    <attribute name="ebas_unit" value="pg/m3" />
    <attribute name="ebas_laboratory_code" value="DK01L" />
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  <variable name="op_DDE" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_op_dichlorodiphenyldichloroethylene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
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    <attribute name="ancillary_variables" value="op_DDE_qc op_DDE_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_platform_code" value="DK0010S" />
    <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: AMAP, EMEP." />
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    <attribute name="ebas_component" value="op_DDE" />
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    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_method_ref" value="DK01L_GC-MS" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no, kt@nilu.no" />
    <attribute name="ebas_framework_name" value=", European Monitoring and Evaluation Programme" />
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  <variable name="heptachlor" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
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    <attribute name="ebas_platform_code" value="DK0010S" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="beta_HCH" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
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    <attribute name="missing_value" type="double" value="NaN" />
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    <attribute name="standard_name" value="mass_concentration_of_polychlorinated_biphenyl_3_in_air" />
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    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: AMAP, EMEP." />
    <attribute name="ebas_framework_acronym" value="AMAP, EMEP" />
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    <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="_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="heptachlorepoxide_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="PCB_52_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="HCB_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="op_DDE_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>
