<?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="Ground based in situ observations of high_vol_sampler at Zielonka (PL0009R)" />
  <attribute name="keywords" value="cadmium, nickel, Zielonka, mass_concentration_of_lead_in_pm10_in_air, pm10, mass_concentration_of_cadmium_in_pm10_in_air, mass_concentration_of_nickel_in_pm10_in_air, PL0009R, mass_concentration_of_arsenic_in_pm10_in_air, arsenic, lead, EMEP" />
  <attribute name="id" value="HE7V-WKPH.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="EMEP" />
  <attribute name="acknowledgement" value="Chief Inspectorate of Environmental Protection, Departament of Monitoring and Information on Environment, Wawelska 52/54, 00-922 Warsaw, Poland, sekretariatdm@gios.gov.pl|Chief Inspectorate of Environmental Protection, Departament of Environmental Monitoring, Al Jerozolimskie 92, 00-807 Warsaw, Poland, sekretariatdm@gios.gov.pl" separator="|" />
  <attribute name="doi" value="https://doi.org/10.48597/HE7V-WKPH" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Joanna Kozakiewicz, Joanna Kozakiewicz, Joanna Kozakiewicz, Joanna Kozakiewicz, arsenic, cadmium, lead, nickel - high_vol_sampler at Zielonka, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/HE7V-WKPH" />
  <attribute name="summary" value="Ground based in situ observations of high_vol_sampler at Zielonka (PL0009R). These measurements are gathered as a part of the following projects EMEP 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), lead in pm10 (mass_concentration_of_lead_in_pm10_in_air), nickel in pm10 (mass_concentration_of_nickel_in_pm10_in_air)" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="PL05L, Central Research Laboratory, CRL, Division in Bydgoszcz, Piotra Skargi 2, 85-018, Bydgoszcz, Poland" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2021-11-10T09:51:45 UTC" />
  <attribute name="date_metadata_modified" value="2021-11-10T09:51:45 UTC" />
  <attribute name="creator_name" value="Joanna Kozakiewicz, Joanna Kozakiewicz, Joanna Kozakiewicz, Joanna Kozakiewicz" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="joanna.kozakiewicz@wios.bydgoszcz.pl, joanna.kozakiewicz@wios.bydgoszcz.pl, joanna.kozakiewicz@wios.bydgoszcz.pl, joanna.kozakiewicz@wios.bydgoszcz.pl" />
  <attribute name="creator_institution" value="&quot;Voivodship Inspectorate of Environmental Protection, VIEP&quot;, &quot;Voivodship Inspectorate of Environmental Protection, VIEP&quot;, &quot;Voivodship Inspectorate of Environmental Protection, VIEP&quot;, &quot;Voivodship Inspectorate of Environmental Protection, VIEP&quot;" />
  <attribute name="contributor_name" value="Barbara Toczko, Anna Degorska, Barbara Toczko, Anna Degorska, Barbara Toczko, Anna Degorska, Barbara Toczko, Anna Degorska" />
  <attribute name="contributor_role" value="data submitter, data submitter, data submitter, data submitter, data submitter, data submitter, data submitter, 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 (53.662117 17.934017 121.0)" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="geospatial_lat_min" type="double" value="53.662117" />
  <attribute name="geospatial_lat_max" type="double" value="53.662117" />
  <attribute name="geospatial_lon_min" type="double" value="17.934017" />
  <attribute name="geospatial_lon_max" type="double" value="17.934017" />
  <attribute name="geospatial_vertical_min" type="double" value="121.0" />
  <attribute name="geospatial_vertical_max" type="double" value="121.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="time_coverage_start" value="2016-01-04T00:00:00 UTC" />
  <attribute name="time_coverage_end" value="2019-12-29T00:00:00 UTC" />
  <attribute name="time_coverage_duration" value="P0003-11-25T00:00:00" />
  <attribute name="time_coverage_resolution" value="P0000-00-07T00:00:00" />
  <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="Joanna Kozakiewicz, Joanna Kozakiewicz, Joanna Kozakiewicz, Joanna Kozakiewicz, arsenic, cadmium, lead, nickel - high_vol_sampler at Zielonka, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/HE7V-WKPH" />
  <attribute name="ebas_set_type_code" value="TI" />
  <attribute name="ebas_timezone" value="UTC" />
  <attribute name="ebas_file_name" value="HE7V-WKPH.nc" />
  <attribute name="ebas_represents_doi" value="https://doi.org/10.48597/HE7V-WKPH" />
  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/HE7V-WKPH" />
  <attribute name="ebas_file_creation" value="2023-12-11T13:20:04.581249 UTC" />
  <attribute name="ebas_export_state" value="2021-11-10T09:51:45.063000 UTC" />
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  <attribute name="ebas_startdate" value="20160104000000" />
  <attribute name="ebas_revision_date" value="20211110095145" />
  <attribute name="ebas_version_description" value="initial revision, manually inspected" />
  <attribute name="ebas_statistics" value="arithmetic mean" />
  <attribute name="ebas_data_level" value="2" />
  <attribute name="ebas_period_code" value="4y" />
  <attribute name="ebas_resolution_code" value="1w" />
  <attribute name="ebas_sample_duration" value="1w" />
  <attribute name="ebas_orig_time_res" value="1d" />
  <attribute name="ebas_station_code" value="PL0009R" />
  <attribute name="ebas_platform_code" value="PL0009S" />
  <attribute name="ebas_station_name" value="Zielonka" />
  <attribute name="ebas_station_other_ids" value="KpZielBoryTu (EIoNET)" />
  <attribute name="ebas_station_land_use" value="Forest" />
  <attribute name="ebas_station_setting" value="Rural" />
  <attribute name="ebas_station_gaw_type" value="R" />
  <attribute name="ebas_station_wmo_region" value="6" />
  <attribute name="ebas_station_latitude" value="53.662117" />
  <attribute name="ebas_station_longitude" value="17.934017" />
  <attribute name="ebas_station_altitude" value="121.0 m" />
  <attribute name="ebas_measurement_height" value="2.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_unit" value="ng/m3" />
  <attribute name="ebas_matrix" value="pm10" />
  <attribute name="ebas_laboratory_code" value="PL05L" />
  <attribute name="ebas_instrument_type" value="high_vol_sampler" />
  <attribute name="ebas_instrument_name" value="HVPM10-Z" />
  <attribute name="ebas_instrument_manufacturer" value="DIGITEL" />
  <attribute name="ebas_instrument_model" value="DHA-80" />
  <attribute name="ebas_method_ref" value="PL05L_PL09_GF-AAS" />
  <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
  <attribute name="ebas_inlet_type" value="Impactor--direct" />
  <attribute name="ebas_medium" value="Quartz" />
  <attribute name="ebas_sample_preparation" value="Acid extraction" />
  <attribute name="ebas_blank_correction" value="Blank corrected" />
  <attribute name="ebas_humidity_temperaure_control" value="None" />
  <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of laboratory blanks" />
  <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
  <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if within detection limit, flagged with 780" />
  <attribute name="ebas_organization" value="PL05L, Central Research Laboratory, CRL, Division in Bydgoszcz, Piotra Skargi 2, , 85-018, Bydgoszcz, Poland" />
  <attribute name="ebas_framework_acronym" value="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="Kjetil Tørseth" />
  <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
  <attribute name="ebas_originator" value="Kozakiewicz, Joanna, joanna.kozakiewicz@wios.bydgoszcz.pl, Voivodship Inspectorate of Environmental Protection, VIEP, , Piotra Skargi 2, , 85-018, Bydgoszcz, Poland" />
  <attribute name="ebas_submitter" value="Degorska, Anna, , , , , , , , , " />
  <attribute name="_NCProperties" value="version=2,netcdf=4.9.0,hdf5=1.12.2" />
  <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;Joanna Kozakiewicz, Joanna Kozakiewicz, Joanna Kozakiewicz, Joanna Kozakiewicz, arsenic, cadmium, lead, nickel - high_vol_sampler at Zielonka, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/HE7V-WKPH&quot;,&#xA;    &quot;Set type code&quot;: &quot;TI&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;HE7V-WKPH.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/HE7V-WKPH&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/HE7V-WKPH&quot;,&#xA;    &quot;File creation&quot;: &quot;2023-12-11T13:20:04.581249 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2021-11-10T09:51:45.063000 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20160104000000&quot;,&#xA;    &quot;Revision date&quot;: &quot;20211110095145&quot;,&#xA;    &quot;Version description&quot;: &quot;initial revision, manually inspected&quot;,&#xA;    &quot;Statistics&quot;: &quot;arithmetic mean&quot;,&#xA;    &quot;Data level&quot;: &quot;2&quot;,&#xA;    &quot;Period code&quot;: &quot;4y&quot;,&#xA;    &quot;Resolution code&quot;: &quot;1w&quot;,&#xA;    &quot;Sample duration&quot;: &quot;1w&quot;,&#xA;    &quot;Orig. time res.&quot;: &quot;1d&quot;,&#xA;    &quot;Station code&quot;: &quot;PL0009R&quot;,&#xA;    &quot;Platform code&quot;: &quot;PL0009S&quot;,&#xA;    &quot;Station name&quot;: &quot;Zielonka&quot;,&#xA;    &quot;Station other IDs&quot;: &quot;KpZielBoryTu (EIoNET)&quot;,&#xA;    &quot;Station land use&quot;: &quot;Forest&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;6&quot;,&#xA;    &quot;Station latitude&quot;: &quot;53.662117&quot;,&#xA;    &quot;Station longitude&quot;: &quot;17.934017&quot;,&#xA;    &quot;Station altitude&quot;: &quot;121.0 m&quot;,&#xA;    &quot;Measurement height&quot;: &quot;2.0 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Unit&quot;: &quot;ng/m3&quot;,&#xA;    &quot;Matrix&quot;: &quot;pm10&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;PL05L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;high_vol_sampler&quot;,&#xA;    &quot;Instrument name&quot;: &quot;HVPM10-Z&quot;,&#xA;    &quot;Instrument manufacturer&quot;: &quot;DIGITEL&quot;,&#xA;    &quot;Instrument model&quot;: &quot;DHA-80&quot;,&#xA;    &quot;Method ref&quot;: &quot;PL05L_PL09_GF-AAS&quot;,&#xA;    &quot;Standard method&quot;: &quot;SOP=EMEP_manual_v1996&quot;,&#xA;    &quot;Inlet type&quot;: &quot;Impactor--direct&quot;,&#xA;    &quot;Medium&quot;: &quot;Quartz&quot;,&#xA;    &quot;Sample preparation&quot;: &quot;Acid extraction&quot;,&#xA;    &quot;Blank correction&quot;: &quot;Blank corrected&quot;,&#xA;    &quot;Humidity/temperature control&quot;: &quot;None&quot;,&#xA;    &quot;Detection limit expl.&quot;: &quot;Determined by taking 3 times standard deviation of ensemble of laboratory blanks&quot;,&#xA;    &quot;Zero/negative values code&quot;: &quot;Zero/negative possible&quot;,&#xA;    &quot;Zero/negative values&quot;: &quot;Zero/negative values reported as measured if within detection limit, flagged with 780&quot;,&#xA;    &quot;Organization&quot;: &quot;PL05L, Central Research Laboratory, CRL, Division in Bydgoszcz, Piotra Skargi 2, , 85-018, Bydgoszcz, Poland&quot;,&#xA;    &quot;Framework acronym&quot;: &quot;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;Kjetil Tørseth&quot;,&#xA;    &quot;Framework contact email&quot;: &quot;kt@nilu.no&quot;,&#xA;    &quot;Originator&quot;: &quot;Kozakiewicz, Joanna, joanna.kozakiewicz@wios.bydgoszcz.pl, Voivodship Inspectorate of Environmental Protection, VIEP, , Piotra Skargi 2, , 85-018, Bydgoszcz, Poland&quot;,&#xA;    &quot;Submitter&quot;: &quot;Degorska, Anna, , , , , , , , , &quot;&#xA;}" />
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  <attribute name="history" value="None" />
  <attribute name="creator_url" value="ebas.nilu.no" />
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  <dimension name="time" length="208" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="4" />
  <dimension name="arsenic_qc_flags" length="2" />
  <dimension name="cadmium_qc_flags" length="2" />
  <dimension name="lead_qc_flags" length="2" />
  <dimension name="nickel_qc_flags" length="2" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2016-01-07T00:00:00Z" />
    <attribute name="time_coverage_end" value="2019-12-26T00:00:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="604800.0" />
    <attribute name="time_coverage_duration" value="P0Y0M1449DT0H0M0.000S" />
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    <attribute name="metadata_creation" value="2026-05-17" />
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    <attribute name="long_name" value="time bounds for measurement" />
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    <attribute name="long_name" value="time bounds for ebas metadata intervals" />
  </variable>
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    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_arsenic_in_pm10_in_air" />
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    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="arsenic_qc arsenic_ebasmetadata" />
    <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="20211110095145" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1w" />
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    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="cadmium_qc cadmium_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_measurement_height" value="2.0 m" />
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    <attribute name="ebas_component" value="cadmium" />
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    <attribute name="ebas_matrix" value="pm10" />
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    <attribute name="ebas_instrument_name" value="HVPM10-Z" />
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    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
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    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_sample_preparation" value="Acid extraction" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
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    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if within detection limit, flagged with 780" />
    <attribute name="ebas_organization" value="PL05L, Central Research Laboratory, CRL, Division in Bydgoszcz, Piotra Skargi 2, , 85-018, Bydgoszcz, Poland" />
    <attribute name="ebas_framework_acronym" value="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="Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
  </variable>
  <variable name="cadmium_qc" shape="cadmium_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="cadmium_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="lead" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_lead_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="lead_qc lead_ebasmetadata" />
    <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="20211110095145" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1w" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="PL0009R" />
    <attribute name="ebas_platform_code" value="PL0009S" />
    <attribute name="ebas_station_name" value="Zielonka" />
    <attribute name="ebas_station_other_ids" value="KpZielBoryTu (EIoNET)" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="53.662117" />
    <attribute name="ebas_station_longitude" value="17.934017" />
    <attribute name="ebas_station_altitude" value="121.0 m" />
    <attribute name="ebas_measurement_height" value="2.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="lead" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="PL05L" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="HVPM10-Z" />
    <attribute name="ebas_instrument_manufacturer" value="DIGITEL" />
    <attribute name="ebas_instrument_model" value="DHA-80" />
    <attribute name="ebas_method_ref" value="PL05L_PL09_GF-AAS" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_sample_preparation" value="Acid extraction" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_detection_limit" value="0.8 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of laboratory blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if within detection limit, flagged with 780" />
    <attribute name="ebas_organization" value="PL05L, Central Research Laboratory, CRL, Division in Bydgoszcz, Piotra Skargi 2, , 85-018, Bydgoszcz, Poland" />
    <attribute name="ebas_framework_acronym" value="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="Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
  </variable>
  <variable name="lead_qc" shape="lead_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="lead_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="nickel" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_nickel_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="nickel_qc nickel_ebasmetadata" />
    <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="20211110095145" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1w" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="PL0009R" />
    <attribute name="ebas_platform_code" value="PL0009S" />
    <attribute name="ebas_station_name" value="Zielonka" />
    <attribute name="ebas_station_other_ids" value="KpZielBoryTu (EIoNET)" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="53.662117" />
    <attribute name="ebas_station_longitude" value="17.934017" />
    <attribute name="ebas_station_altitude" value="121.0 m" />
    <attribute name="ebas_measurement_height" value="2.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="nickel" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="PL05L" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="HVPM10-Z" />
    <attribute name="ebas_instrument_manufacturer" value="DIGITEL" />
    <attribute name="ebas_instrument_model" value="DHA-80" />
    <attribute name="ebas_method_ref" value="PL05L_PL09_GF-AAS" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_sample_preparation" value="Acid extraction" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of laboratory blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if within detection limit, flagged with 780" />
    <attribute name="ebas_organization" value="PL05L, Central Research Laboratory, CRL, Division in Bydgoszcz, Piotra Skargi 2, , 85-018, Bydgoszcz, Poland" />
    <attribute name="ebas_framework_acronym" value="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="Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
  </variable>
  <variable name="nickel_qc" shape="nickel_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="nickel_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>
