<?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 AGH University Krakow (PL0010U)" />
  <attribute name="keywords" value="AGH University Krakow, pm10, levoglucosan, COLOSSAL, mass_concentration_of_total_carbon_in_pm10_in_air, mass_concentration_of_levoglucosan_in_pm10_in_air, PL0010U, total_carbon, elemental_carbon, mass_concentration_of_organic_carbon_in_pm10_in_air, mass_concentration_of_elemental_carbon_in_pm10_in_air, ACTRIS, CAMPAIGN, organic_carbon" />
  <attribute name="id" value="PL0010U.20180123000013.20191010150000.high_vol_sampler..pm10.8mo.4d.PL08L_HVS_01_pm10..lev2.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="ACTRIS, CAMPAIGN, COLOSSAL" />
  <attribute name="acknowledgement" value="Request acknowledgement details from data originator" />
  <attribute name="license" value="ACTRIS: http://actris.nilu.no/Content/Documents/DataPolicy.pdf, CAMPAIGN: For scientific purposes, access to the data is limited. Data will be given access to after approval from the data producer or owner., COLOSSAL: " />
  <attribute name="summary" value="Ground based in situ observations of high_vol_sampler at AGH University Krakow (PL0010U). These measurements are gathered as a part of the following projects ACTRIS, CAMPAIGN, COLOSSAL and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: elemental_carbon in pm10 (mass_concentration_of_elemental_carbon_in_pm10_in_air), elemental_carbon in pm10 (mass_concentration_of_elemental_carbon_in_pm10_in_air), levoglucosan in pm10 (mass_concentration_of_levoglucosan_in_pm10_in_air), organic_carbon in pm10 (mass_concentration_of_organic_carbon_in_pm10_in_air), organic_carbon in pm10 (mass_concentration_of_organic_carbon_in_pm10_in_air), total_carbon in pm10 (mass_concentration_of_total_carbon_in_pm10_in_air), total_carbon in pm10 (mass_concentration_of_total_carbon_in_pm10_in_air)" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="PL08L, Faculty of Physics and Applied Computer Science, AGH University of Science and Technology, al. Mickiewicza 30, PL-30059, Krakow, Poland" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2019-10-10T15:00:00 UTC" />
  <attribute name="date_metadata_modified" value="2019-10-10T15:00:00 UTC" />
  <attribute name="creator_name" value="Katarzyna Styszko" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="styszko@agh.edu.pl" />
  <attribute name="creator_institution" value="&quot;AGH University of Science and Technology, Faculty of Energy and Fuels, AGH&quot;" />
  <attribute name="contributor_name" value="Katarzyna Styszko, Alicja Skiba" />
  <attribute name="contributor_role" value="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 (50.066944444 19.913055556 282.0)" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="geospatial_lat_min" type="double" value="50.066944444" />
  <attribute name="geospatial_lat_max" type="double" value="50.066944444" />
  <attribute name="geospatial_lon_min" type="double" value="19.913055556" />
  <attribute name="geospatial_lon_max" type="double" value="19.913055556" />
  <attribute name="geospatial_vertical_min" type="double" value="282.0" />
  <attribute name="geospatial_vertical_max" type="double" value="282.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="time_coverage_start" value="2018-01-23T00:00:13 UTC" />
  <attribute name="time_coverage_end" value="2018-10-07T00:00:12 UTC" />
  <attribute name="time_coverage_duration" value="P0000-08-13T23:59:59.100000" />
  <attribute name="time_coverage_resolution" value="P0000-00-04T00:00:00" />
  <attribute name="timezone" value="UTC" />
  <attribute name="ebas_data_definition" value="EBAS_1.1" />
  <attribute name="ebas_set_type_code" value="TI" />
  <attribute name="ebas_timezone" value="UTC" />
  <attribute name="ebas_file_name" value="PL0010U.20180123000013.20191010150000.high_vol_sampler..pm10.8mo.4d.PL08L_HVS_01_pm10..lev2.nc" />
  <attribute name="ebas_file_creation" value="2022-05-03T17:45:18.952690 UTC" />
  <attribute name="ebas_export_state" value="2022-05-03T16:25:02.280000 UTC" />
  <attribute name="ebas_export_filter" value="exclude-900,exclude-invalid" />
  <attribute name="ebas_startdate" value="20180123000013" />
  <attribute name="ebas_revision_date" value="20191010150000" />
  <attribute name="ebas_version" value="1" />
  <attribute name="ebas_version_description" value="initial revision, manually inspected" />
  <attribute name="ebas_data_level" value="2" />
  <attribute name="ebas_period_code" value="8mo" />
  <attribute name="ebas_resolution_code" value="4d" />
  <attribute name="ebas_sample_duration" value="1d" />
  <attribute name="ebas_orig_time_res" value="1d" />
  <attribute name="ebas_station_code" value="PL0010U" />
  <attribute name="ebas_platform_code" value="PL0010S" />
  <attribute name="ebas_station_name" value="AGH University Krakow" />
  <attribute name="ebas_station_land_use" value="Residential" />
  <attribute name="ebas_station_setting" value="Urban and center city" />
  <attribute name="ebas_station_latitude" value="50.066944444" />
  <attribute name="ebas_station_longitude" value="19.913055556" />
  <attribute name="ebas_station_altitude" value="282.0 m" />
  <attribute name="ebas_measurement_height" value="2.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_matrix" value="pm10" />
  <attribute name="ebas_laboratory_code" value="PL08L" />
  <attribute name="ebas_instrument_type" value="high_vol_sampler" />
  <attribute name="ebas_instrument_name" value="HVS_01_pm10" />
  <attribute name="ebas_instrument_manufacturer" value="DIGITEL" />
  <attribute name="ebas_instrument_model" value="DHA-80" />
  <attribute name="ebas_analytical_laboratory_code" value="PL08L" />
  <attribute name="ebas_standard_method" value="None" />
  <attribute name="ebas_inlet_type" value="Impactor--direct" />
  <attribute name="ebas_flow_rate" value="500.0 l/min" />
  <attribute name="ebas_filter_face_velocity" value="54.0 cm/s" />
  <attribute name="ebas_exposed_filter_area" value="154.0 cm2" />
  <attribute name="ebas_filter_description" value="Tissuquartz-2500QAT-UP" />
  <attribute name="ebas_medium" value="Quartz" />
  <attribute name="ebas_filter_prefiring" value="Not prefired" />
  <attribute name="ebas_filter_conditioning" value="None" />
  <attribute name="ebas_sample_preparation" value="None" />
  <attribute name="ebas_blank_correction" value="Blank corrected" />
  <attribute name="ebas_artifact_correction" value="None" />
  <attribute name="ebas_charring_correction" value="None" />
  <attribute name="ebas_humidity_temperaure_control" value="None" />
  <attribute name="ebas_volume_std_temperature" value="273.15 K" />
  <attribute name="ebas_volume_std_pressure" value="1013.00 hPa" />
  <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
  <attribute name="ebas_measurement_uncertainty_expl" value="calculated according to provided example (by Jean-Philippe Putaud)" />
  <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
  <attribute name="ebas_zero_negative_values" value="zero/negative impossible due to high detected concentrations" />
  <attribute name="ebas_organization" value="PL08L, Faculty of Physics and Applied Computer Science, , , AGH University of Science and Technology, al. Mickiewicza 30, PL-30059, Krakow, Poland" />
  <attribute name="ebas_framework_acronym" value="ACTRIS, CAMPAIGN, COLOSSAL" />
  <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, , Chemical On-Line cOmpoSition and Source Apportionment of fine aerosoL" />
  <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., , Assessment of fine atmospheric aerosols (PM2.5), ther spatial variability (across Europe), their temporal variability (1h or better), the seasonality, the phenomenology (chemical composition) and the sources." />
  <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Wenche Aas, Wenche Aas" />
  <attribute name="ebas_framework_contact_email" value="clm@nilu.no, waa@nilu.no, waa@nilu.no" />
  <attribute name="ebas_originator" value="Styszko, Katarzyna, styszko@agh.edu.pl, AGH University of Science and Technology, AGH, Faculty of Energy and Fuels, al. Adama Mickiewicza 30, , 30-059, Krakow, Poland" />
  <attribute name="ebas_submitter" value="Skiba, Alicja, alicja.skiba@fis.agh.edu.pl, AGH University of Science and Technology, AGH, Faculty of Physics and Applied Computer Science, al. Adama Mickiewicza 30, , 30-059, Krakow, Poland" />
  <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
  <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;Set type code&quot;: &quot;TI&quot;, &#xA;    &quot;Timezone&quot;: &quot;UTC&quot;, &#xA;    &quot;File name&quot;: &quot;PL0010U.20180123000013.20191010150000.high_vol_sampler..pm10.8mo.4d.PL08L_HVS_01_pm10..lev2.nc&quot;, &#xA;    &quot;File creation&quot;: &quot;2022-05-03T17:45:18.952690 UTC&quot;, &#xA;    &quot;Export state&quot;: &quot;2022-05-03T16:25:02.280000 UTC&quot;, &#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;, &#xA;    &quot;Startdate&quot;: &quot;20180123000013&quot;, &#xA;    &quot;Revision date&quot;: &quot;20191010150000&quot;, &#xA;    &quot;Version&quot;: &quot;1&quot;, &#xA;    &quot;Version description&quot;: &quot;initial revision, manually inspected&quot;, &#xA;    &quot;Data level&quot;: &quot;2&quot;, &#xA;    &quot;Period code&quot;: &quot;8mo&quot;, &#xA;    &quot;Resolution code&quot;: &quot;4d&quot;, &#xA;    &quot;Sample duration&quot;: &quot;1d&quot;, &#xA;    &quot;Orig. time res.&quot;: &quot;1d&quot;, &#xA;    &quot;Station code&quot;: &quot;PL0010U&quot;, &#xA;    &quot;Platform code&quot;: &quot;PL0010S&quot;, &#xA;    &quot;Station name&quot;: &quot;AGH University Krakow&quot;, &#xA;    &quot;Station land use&quot;: &quot;Residential&quot;, &#xA;    &quot;Station setting&quot;: &quot;Urban and center city&quot;, &#xA;    &quot;Station latitude&quot;: &quot;50.066944444&quot;, &#xA;    &quot;Station longitude&quot;: &quot;19.913055556&quot;, &#xA;    &quot;Station altitude&quot;: &quot;282.0 m&quot;, &#xA;    &quot;Measurement height&quot;: &quot;2.0 m&quot;, &#xA;    &quot;Regime&quot;: &quot;IMG&quot;, &#xA;    &quot;Matrix&quot;: &quot;pm10&quot;, &#xA;    &quot;Laboratory code&quot;: &quot;PL08L&quot;, &#xA;    &quot;Instrument type&quot;: &quot;high_vol_sampler&quot;, &#xA;    &quot;Instrument name&quot;: &quot;HVS_01_pm10&quot;, &#xA;    &quot;Instrument manufacturer&quot;: &quot;DIGITEL&quot;, &#xA;    &quot;Instrument model&quot;: &quot;DHA-80&quot;, &#xA;    &quot;Analytical laboratory code&quot;: &quot;PL08L&quot;, &#xA;    &quot;Standard method&quot;: &quot;None&quot;, &#xA;    &quot;Inlet type&quot;: &quot;Impactor--direct&quot;, &#xA;    &quot;Flow rate&quot;: &quot;500.0 l/min&quot;, &#xA;    &quot;Filter face velocity&quot;: &quot;54.0 cm/s&quot;, &#xA;    &quot;Exposed filter area&quot;: &quot;154.0 cm2&quot;, &#xA;    &quot;Filter description&quot;: &quot;Tissuquartz-2500QAT-UP&quot;, &#xA;    &quot;Medium&quot;: &quot;Quartz&quot;, &#xA;    &quot;Filter prefiring&quot;: &quot;Not prefired&quot;, &#xA;    &quot;Filter conditioning&quot;: &quot;None&quot;, &#xA;    &quot;Sample preparation&quot;: &quot;None&quot;, &#xA;    &quot;Blank correction&quot;: &quot;Blank corrected&quot;, &#xA;    &quot;Artifact correction&quot;: &quot;None&quot;, &#xA;    &quot;Charring correction&quot;: &quot;None&quot;, &#xA;    &quot;Humidity/temperature control&quot;: &quot;None&quot;, &#xA;    &quot;Volume std. temperature&quot;: &quot;273.15 K&quot;, &#xA;    &quot;Volume std. pressure&quot;: &quot;1013.00 hPa&quot;, &#xA;    &quot;Detection limit expl.&quot;: &quot;Determined by taking 3 times standard deviation of ensemble of field blanks&quot;, &#xA;    &quot;Measurement uncertainty expl.&quot;: &quot;calculated according to provided example (by Jean-Philippe Putaud)&quot;, &#xA;    &quot;Zero/negative values code&quot;: &quot;Zero/negative impossible&quot;, &#xA;    &quot;Zero/negative values&quot;: &quot;zero/negative impossible due to high detected concentrations&quot;, &#xA;    &quot;Organization&quot;: &quot;PL08L, Faculty of Physics and Applied Computer Science, , , AGH University of Science and Technology, al. Mickiewicza 30, PL-30059, Krakow, Poland&quot;, &#xA;    &quot;Framework acronym&quot;: &quot;ACTRIS, CAMPAIGN, COLOSSAL&quot;, &#xA;    &quot;Framework name&quot;: &quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, , Chemical On-Line cOmpoSition and Source Apportionment of fine aerosoL&quot;, &#xA;    &quot;Framework description&quot;: &quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., , Assessment of fine atmospheric aerosols (PM2.5), ther spatial variability (across Europe), their temporal variability (1h or better), the seasonality, the phenomenology (chemical composition) and the sources.&quot;, &#xA;    &quot;Framework contact name&quot;: &quot;Cathrine Lund Myhre, Wenche Aas, Wenche Aas&quot;, &#xA;    &quot;Framework contact email&quot;: &quot;clm@nilu.no, waa@nilu.no, waa@nilu.no&quot;, &#xA;    &quot;Originator&quot;: &quot;Styszko, Katarzyna, styszko@agh.edu.pl, AGH University of Science and Technology, AGH, Faculty of Energy and Fuels, al. Adama Mickiewicza 30, , 30-059, Krakow, Poland&quot;, &#xA;    &quot;Submitter&quot;: &quot;Skiba, Alicja, alicja.skiba@fis.agh.edu.pl, AGH University of Science and Technology, AGH, Faculty of Physics and Applied Computer Science, al. Adama Mickiewicza 30, , 30-059, Krakow, Poland&quot;, &#xA;    &quot;Acknowledgement&quot;: &quot;Request acknowledgement details from data originator&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="68" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="1" />
  <dimension name="organic_carbon_amean_qc_flags" length="1" />
  <dimension name="Fraction" length="5" />
  <dimension name="organic_carbon_amean_Fraction_qc_flags" length="1" />
  <dimension name="total_carbon_uncertainty_qc_flags" length="1" />
  <dimension name="total_carbon_amean_qc_flags" length="1" />
  <dimension name="elemental_carbon_amean_qc_flags" length="1" />
  <dimension name="elemental_carbon_uncertainty_qc_flags" length="1" />
  <dimension name="levoglucosan_qc_flags" length="1" />
  <dimension name="organic_carbon_uncertainty_qc_flags" length="1" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2018-02-04T00:00:12Z" />
    <attribute name="time_coverage_end" value="2018-10-06T12:00:12Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="315295.0" />
    <attribute name="time_coverage_duration" value="P0Y0M244DT12H0M0.000S" />
  </group>
  <group name="NCISOMetadata">
    <attribute name="metadata_creation" value="2026-03-16" />
    <attribute name="nciso_version" value="2.4.7" />
  </group>
  <variable name="time_bnds" shape="time tbnds" type="double">
    <attribute name="long_name" value="time bounds for measurement" />
  </variable>
  <variable name="metadata_time_bnds" shape="metadata_time tbnds" type="double">
    <attribute name="long_name" value="time bounds for ebas metadata intervals" />
  </variable>
  <variable name="organic_carbon_amean_qc" shape="organic_carbon_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="organic_carbon_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="organic_carbon_amean_Fraction_qc" shape="Fraction organic_carbon_amean_Fraction_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="total_carbon_uncertainty" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_total_carbon_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug C/m3" />
    <attribute name="ancillary_variables" value="total_carbon_uncertainty_qc total_carbon_uncertainty_ebasmetadata" />
    <attribute name="cell_methods" value="time: uncertainty" />
    <attribute name="ebas_artifact_correction" value="None" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., , Assessment of fine atmospheric aerosols (PM2.5), ther spatial variability (across Europe), their temporal variability (1h or better), the seasonality, the phenomenology (chemical composition) and the sources." />
    <attribute name="ebas_component" value="total_carbon" />
    <attribute name="ebas_organization" value="PL08L, Faculty of Physics and Applied Computer Science, , , AGH University of Science and Technology, al. Mickiewicza 30, PL-30059, Krakow, Poland" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, , Chemical On-Line cOmpoSition and Source Apportionment of fine aerosoL" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Wenche Aas, Wenche Aas" />
    <attribute name="ebas_volume_std_pressure" value="1013.00 hPa" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_exposed_filter_area" value="154.0 cm2" />
    <attribute name="ebas_originator" value="Styszko, Katarzyna, styszko@agh.edu.pl, AGH University of Science and Technology, AGH, Faculty of Energy and Fuels, al. Adama Mickiewicza 30, , 30-059, Krakow, Poland" />
    <attribute name="ebas_analytical_laboratory_code" value="PL08L" />
    <attribute name="ebas_statistics" value="uncertainty" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, CAMPAIGN, COLOSSAL" />
    <attribute name="ebas_filter_conditioning" value="None" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_zero_negative_values" value="zero/negative impossible due to high detected concentrations" />
    <attribute name="ebas_charring_correction" value="None" />
    <attribute name="ebas_analytical_instrument_name" value="TU_sunset_001" />
    <attribute name="ebas_submitter" value="Skiba, Alicja, alicja.skiba@fis.agh.edu.pl, AGH University of Science and Technology, AGH, Faculty of Physics and Applied Computer Science, al. Adama Mickiewicza 30, , 30-059, Krakow, Poland" />
    <attribute name="ebas_analytical_instrument_serial_number" value="241-45" />
    <attribute name="ebas_station_land_use" value="Residential" />
    <attribute name="ebas_measurement_height" value="2.0 m" />
    <attribute name="ebas_station_altitude" value="282.0 m" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_instrument_manufacturer" value="DIGITEL" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_analytical_measurement_technique" value="thermal-optical_analysis" />
    <attribute name="ebas_laboratory_code" value="PL08L" />
    <attribute name="ebas_filter_face_velocity" value="54.0 cm/s" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_sample_preparation" value="None" />
    <attribute name="ebas_instrument_name" value="HVS_01_pm10" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_measurement_uncertainty_expl" value="calculated according to provided example (by Jean-Philippe Putaud)" />
    <attribute name="ebas_platform_code" value="PL0010S" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_station_code" value="PL0010U" />
    <attribute name="ebas_filter_description" value="Tissuquartz-2500QAT-UP" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_station_setting" value="Urban and center city" />
    <attribute name="ebas_station_latitude" value="50.066944444" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Sunset Laboratory" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_instrument_model" value="DHA-80" />
    <attribute name="ebas_unit" value="ug C/m3" />
    <attribute name="ebas_station_name" value="AGH University Krakow" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, waa@nilu.no, waa@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_revision_date" value="20191010150000" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_filter_prefiring" value="Not prefired" />
    <attribute name="ebas_station_longitude" value="19.913055556" />
    <attribute name="ebas_analytical_instrument_model" value="Carbon Aerosol Analyzer" />
    <attribute name="ebas_method_ref" value="PL08L_TU_sunset_001" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
  </variable>
  <variable name="total_carbon_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="total_carbon_uncertainty_qc" shape="total_carbon_uncertainty_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="total_carbon_amean_qc" shape="total_carbon_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="organic_carbon_uncertainty_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="total_carbon_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_total_carbon_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug C/m3" />
    <attribute name="ancillary_variables" value="total_carbon_amean_qc total_carbon_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_artifact_correction" value="None" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., , Assessment of fine atmospheric aerosols (PM2.5), ther spatial variability (across Europe), their temporal variability (1h or better), the seasonality, the phenomenology (chemical composition) and the sources." />
    <attribute name="ebas_component" value="total_carbon" />
    <attribute name="ebas_organization" value="PL08L, Faculty of Physics and Applied Computer Science, , , AGH University of Science and Technology, al. Mickiewicza 30, PL-30059, Krakow, Poland" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, , Chemical On-Line cOmpoSition and Source Apportionment of fine aerosoL" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Wenche Aas, Wenche Aas" />
    <attribute name="ebas_volume_std_pressure" value="1013.00 hPa" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_exposed_filter_area" value="154.0 cm2" />
    <attribute name="ebas_originator" value="Styszko, Katarzyna, styszko@agh.edu.pl, AGH University of Science and Technology, AGH, Faculty of Energy and Fuels, al. Adama Mickiewicza 30, , 30-059, Krakow, Poland" />
    <attribute name="ebas_analytical_laboratory_code" value="PL08L" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, waa@nilu.no, waa@nilu.no" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, CAMPAIGN, COLOSSAL" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_zero_negative_values" value="zero/negative impossible due to high detected concentrations" />
    <attribute name="ebas_charring_correction" value="None" />
    <attribute name="ebas_analytical_instrument_name" value="TU_sunset_001" />
    <attribute name="ebas_submitter" value="Skiba, Alicja, alicja.skiba@fis.agh.edu.pl, AGH University of Science and Technology, AGH, Faculty of Physics and Applied Computer Science, al. Adama Mickiewicza 30, , 30-059, Krakow, Poland" />
    <attribute name="ebas_analytical_instrument_serial_number" value="241-45" />
    <attribute name="ebas_station_land_use" value="Residential" />
    <attribute name="ebas_measurement_height" value="2.0 m" />
    <attribute name="ebas_station_altitude" value="282.0 m" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_instrument_manufacturer" value="DIGITEL" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_analytical_measurement_technique" value="thermal-optical_analysis" />
    <attribute name="ebas_laboratory_code" value="PL08L" />
    <attribute name="ebas_filter_face_velocity" value="54.0 cm/s" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_sample_preparation" value="None" />
    <attribute name="ebas_instrument_name" value="HVS_01_pm10" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_measurement_uncertainty_expl" value="calculated according to provided example (by Jean-Philippe Putaud)" />
    <attribute name="ebas_filter_conditioning" value="None" />
    <attribute name="ebas_platform_code" value="PL0010S" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_station_code" value="PL0010U" />
    <attribute name="ebas_filter_description" value="Tissuquartz-2500QAT-UP" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_station_setting" value="Urban and center city" />
    <attribute name="ebas_station_latitude" value="50.066944444" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Sunset Laboratory" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_instrument_model" value="DHA-80" />
    <attribute name="ebas_unit" value="ug C/m3" />
    <attribute name="ebas_station_name" value="AGH University Krakow" />
    <attribute name="ebas_detection_limit" value="0.615 ug C/m3" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_revision_date" value="20191010150000" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_filter_prefiring" value="Not prefired" />
    <attribute name="ebas_station_longitude" value="19.913055556" />
    <attribute name="ebas_analytical_instrument_model" value="Carbon Aerosol Analyzer" />
    <attribute name="ebas_method_ref" value="PL08L_TU_sunset_001" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
  </variable>
  <variable name="elemental_carbon_amean_qc" shape="elemental_carbon_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="organic_carbon_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_organic_carbon_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug C/m3" />
    <attribute name="ancillary_variables" value="organic_carbon_amean_qc organic_carbon_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_artifact_correction" value="None" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., , Assessment of fine atmospheric aerosols (PM2.5), ther spatial variability (across Europe), their temporal variability (1h or better), the seasonality, the phenomenology (chemical composition) and the sources." />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, , Chemical On-Line cOmpoSition and Source Apportionment of fine aerosoL" />
    <attribute name="ebas_organization" value="PL08L, Faculty of Physics and Applied Computer Science, , , AGH University of Science and Technology, al. Mickiewicza 30, PL-30059, Krakow, Poland" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Wenche Aas, Wenche Aas" />
    <attribute name="ebas_volume_std_pressure" value="1013.00 hPa" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_exposed_filter_area" value="154.0 cm2" />
    <attribute name="ebas_originator" value="Styszko, Katarzyna, styszko@agh.edu.pl, AGH University of Science and Technology, AGH, Faculty of Energy and Fuels, al. Adama Mickiewicza 30, , 30-059, Krakow, Poland" />
    <attribute name="ebas_detection_limit" value="0.539 ug C/m3" />
    <attribute name="ebas_analytical_laboratory_code" value="PL08L" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, CAMPAIGN, COLOSSAL" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_zero_negative_values" value="zero/negative impossible due to high detected concentrations" />
    <attribute name="ebas_charring_correction" value="None" />
    <attribute name="ebas_analytical_instrument_name" value="TU_sunset_001" />
    <attribute name="ebas_submitter" value="Skiba, Alicja, alicja.skiba@fis.agh.edu.pl, AGH University of Science and Technology, AGH, Faculty of Physics and Applied Computer Science, al. Adama Mickiewicza 30, , 30-059, Krakow, Poland" />
    <attribute name="ebas_analytical_instrument_serial_number" value="241-45" />
    <attribute name="ebas_station_land_use" value="Residential" />
    <attribute name="ebas_measurement_height" value="2.0 m" />
    <attribute name="ebas_station_altitude" value="282.0 m" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_instrument_manufacturer" value="DIGITEL" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_analytical_measurement_technique" value="thermal-optical_analysis" />
    <attribute name="ebas_laboratory_code" value="PL08L" />
    <attribute name="ebas_filter_face_velocity" value="54.0 cm/s" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_sample_preparation" value="None" />
    <attribute name="ebas_instrument_name" value="HVS_01_pm10" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_measurement_uncertainty_expl" value="calculated according to provided example (by Jean-Philippe Putaud)" />
    <attribute name="ebas_filter_conditioning" value="None" />
    <attribute name="ebas_platform_code" value="PL0010S" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_station_code" value="PL0010U" />
    <attribute name="ebas_filter_description" value="Tissuquartz-2500QAT-UP" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_station_setting" value="Urban and center city" />
    <attribute name="ebas_station_latitude" value="50.066944444" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Sunset Laboratory" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="organic_carbon" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_instrument_model" value="DHA-80" />
    <attribute name="ebas_unit" value="ug C/m3" />
    <attribute name="ebas_station_name" value="AGH University Krakow" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, waa@nilu.no, waa@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_revision_date" value="20191010150000" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_filter_prefiring" value="Not prefired" />
    <attribute name="ebas_station_longitude" value="19.913055556" />
    <attribute name="ebas_analytical_instrument_model" value="Carbon Aerosol Analyzer" />
    <attribute name="ebas_method_ref" value="PL08L_TU_sunset_001" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
  </variable>
  <variable name="elemental_carbon_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="organic_carbon_amean_Fraction" shape="Fraction time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_organic_carbon_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug C/m3" />
    <attribute name="ancillary_variables" value="organic_carbon_amean_Fraction_qc organic_carbon_amean_Fraction_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_artifact_correction" value="None" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., , Assessment of fine atmospheric aerosols (PM2.5), ther spatial variability (across Europe), their temporal variability (1h or better), the seasonality, the phenomenology (chemical composition) and the sources." />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, , Chemical On-Line cOmpoSition and Source Apportionment of fine aerosoL" />
    <attribute name="ebas_organization" value="PL08L, Faculty of Physics and Applied Computer Science, , , AGH University of Science and Technology, al. Mickiewicza 30, PL-30059, Krakow, Poland" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Wenche Aas, Wenche Aas" />
    <attribute name="ebas_volume_std_pressure" value="1013.00 hPa" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_exposed_filter_area" value="154.0 cm2" />
    <attribute name="ebas_originator" value="Styszko, Katarzyna, styszko@agh.edu.pl, AGH University of Science and Technology, AGH, Faculty of Energy and Fuels, al. Adama Mickiewicza 30, , 30-059, Krakow, Poland" />
    <attribute name="ebas_analytical_laboratory_code" value="PL08L" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, CAMPAIGN, COLOSSAL" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_zero_negative_values" value="zero/negative impossible due to high detected concentrations" />
    <attribute name="ebas_charring_correction" value="None" />
    <attribute name="ebas_analytical_instrument_name" value="TU_sunset_001" />
    <attribute name="ebas_submitter" value="Skiba, Alicja, alicja.skiba@fis.agh.edu.pl, AGH University of Science and Technology, AGH, Faculty of Physics and Applied Computer Science, al. Adama Mickiewicza 30, , 30-059, Krakow, Poland" />
    <attribute name="ebas_analytical_instrument_serial_number" value="241-45" />
    <attribute name="ebas_station_land_use" value="Residential" />
    <attribute name="ebas_measurement_height" value="2.0 m" />
    <attribute name="ebas_station_altitude" value="282.0 m" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_instrument_manufacturer" value="DIGITEL" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_analytical_measurement_technique" value="thermal-optical_analysis" />
    <attribute name="ebas_laboratory_code" value="PL08L" />
    <attribute name="ebas_filter_face_velocity" value="54.0 cm/s" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_sample_preparation" value="None" />
    <attribute name="ebas_instrument_name" value="HVS_01_pm10" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_measurement_uncertainty_expl" value="calculated according to provided example (by Jean-Philippe Putaud)" />
    <attribute name="ebas_filter_conditioning" value="None" />
    <attribute name="ebas_platform_code" value="PL0010S" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_station_code" value="PL0010U" />
    <attribute name="ebas_filter_description" value="Tissuquartz-2500QAT-UP" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_station_setting" value="Urban and center city" />
    <attribute name="ebas_station_latitude" value="50.066944444" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Sunset Laboratory" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="organic_carbon" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_instrument_model" value="DHA-80" />
    <attribute name="ebas_unit" value="ug C/m3" />
    <attribute name="ebas_station_name" value="AGH University Krakow" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, waa@nilu.no, waa@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_revision_date" value="20191010150000" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_filter_prefiring" value="Not prefired" />
    <attribute name="ebas_station_longitude" value="19.913055556" />
    <attribute name="ebas_analytical_instrument_model" value="Carbon Aerosol Analyzer" />
    <attribute name="ebas_method_ref" value="PL08L_TU_sunset_001" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
  </variable>
  <variable name="elemental_carbon_uncertainty_qc" shape="elemental_carbon_uncertainty_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="elemental_carbon_uncertainty" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_elemental_carbon_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug C/m3" />
    <attribute name="ancillary_variables" value="elemental_carbon_uncertainty_qc elemental_carbon_uncertainty_ebasmetadata" />
    <attribute name="cell_methods" value="time: uncertainty" />
    <attribute name="ebas_artifact_correction" value="None" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., , Assessment of fine atmospheric aerosols (PM2.5), ther spatial variability (across Europe), their temporal variability (1h or better), the seasonality, the phenomenology (chemical composition) and the sources." />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, , Chemical On-Line cOmpoSition and Source Apportionment of fine aerosoL" />
    <attribute name="ebas_organization" value="PL08L, Faculty of Physics and Applied Computer Science, , , AGH University of Science and Technology, al. Mickiewicza 30, PL-30059, Krakow, Poland" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Wenche Aas, Wenche Aas" />
    <attribute name="ebas_volume_std_pressure" value="1013.00 hPa" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_exposed_filter_area" value="154.0 cm2" />
    <attribute name="ebas_originator" value="Styszko, Katarzyna, styszko@agh.edu.pl, AGH University of Science and Technology, AGH, Faculty of Energy and Fuels, al. Adama Mickiewicza 30, , 30-059, Krakow, Poland" />
    <attribute name="ebas_analytical_laboratory_code" value="PL08L" />
    <attribute name="ebas_statistics" value="uncertainty" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, CAMPAIGN, COLOSSAL" />
    <attribute name="ebas_filter_conditioning" value="None" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_zero_negative_values" value="zero/negative impossible due to high detected concentrations" />
    <attribute name="ebas_charring_correction" value="None" />
    <attribute name="ebas_analytical_instrument_name" value="TU_sunset_001" />
    <attribute name="ebas_submitter" value="Skiba, Alicja, alicja.skiba@fis.agh.edu.pl, AGH University of Science and Technology, AGH, Faculty of Physics and Applied Computer Science, al. Adama Mickiewicza 30, , 30-059, Krakow, Poland" />
    <attribute name="ebas_analytical_instrument_serial_number" value="241-45" />
    <attribute name="ebas_station_land_use" value="Residential" />
    <attribute name="ebas_measurement_height" value="2.0 m" />
    <attribute name="ebas_station_altitude" value="282.0 m" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_instrument_manufacturer" value="DIGITEL" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_component" value="elemental_carbon" />
    <attribute name="ebas_laboratory_code" value="PL08L" />
    <attribute name="ebas_filter_face_velocity" value="54.0 cm/s" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_sample_preparation" value="None" />
    <attribute name="ebas_instrument_name" value="HVS_01_pm10" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_measurement_uncertainty_expl" value="calculated according to provided example (by Jean-Philippe Putaud)" />
    <attribute name="ebas_platform_code" value="PL0010S" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_station_code" value="PL0010U" />
    <attribute name="ebas_filter_description" value="Tissuquartz-2500QAT-UP" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_station_setting" value="Urban and center city" />
    <attribute name="ebas_station_latitude" value="50.066944444" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Sunset Laboratory" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_analytical_measurement_technique" value="thermal-optical_analysis" />
    <attribute name="ebas_instrument_model" value="DHA-80" />
    <attribute name="ebas_unit" value="ug C/m3" />
    <attribute name="ebas_station_name" value="AGH University Krakow" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, waa@nilu.no, waa@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_revision_date" value="20191010150000" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_filter_prefiring" value="Not prefired" />
    <attribute name="ebas_station_longitude" value="19.913055556" />
    <attribute name="ebas_analytical_instrument_model" value="Carbon Aerosol Analyzer" />
    <attribute name="ebas_method_ref" value="PL08L_TU_sunset_001" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
  </variable>
  <variable name="elemental_carbon_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_elemental_carbon_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug C/m3" />
    <attribute name="ancillary_variables" value="elemental_carbon_amean_qc elemental_carbon_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_artifact_correction" value="None" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., , Assessment of fine atmospheric aerosols (PM2.5), ther spatial variability (across Europe), their temporal variability (1h or better), the seasonality, the phenomenology (chemical composition) and the sources." />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, , Chemical On-Line cOmpoSition and Source Apportionment of fine aerosoL" />
    <attribute name="ebas_organization" value="PL08L, Faculty of Physics and Applied Computer Science, , , AGH University of Science and Technology, al. Mickiewicza 30, PL-30059, Krakow, Poland" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Wenche Aas, Wenche Aas" />
    <attribute name="ebas_volume_std_pressure" value="1013.00 hPa" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_exposed_filter_area" value="154.0 cm2" />
    <attribute name="ebas_originator" value="Styszko, Katarzyna, styszko@agh.edu.pl, AGH University of Science and Technology, AGH, Faculty of Energy and Fuels, al. Adama Mickiewicza 30, , 30-059, Krakow, Poland" />
    <attribute name="ebas_analytical_laboratory_code" value="PL08L" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, waa@nilu.no, waa@nilu.no" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, CAMPAIGN, COLOSSAL" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_zero_negative_values" value="zero/negative impossible due to high detected concentrations" />
    <attribute name="ebas_charring_correction" value="None" />
    <attribute name="ebas_analytical_instrument_name" value="TU_sunset_001" />
    <attribute name="ebas_submitter" value="Skiba, Alicja, alicja.skiba@fis.agh.edu.pl, AGH University of Science and Technology, AGH, Faculty of Physics and Applied Computer Science, al. Adama Mickiewicza 30, , 30-059, Krakow, Poland" />
    <attribute name="ebas_analytical_instrument_serial_number" value="241-45" />
    <attribute name="ebas_station_land_use" value="Residential" />
    <attribute name="ebas_measurement_height" value="2.0 m" />
    <attribute name="ebas_station_altitude" value="282.0 m" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_instrument_manufacturer" value="DIGITEL" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_component" value="elemental_carbon" />
    <attribute name="ebas_laboratory_code" value="PL08L" />
    <attribute name="ebas_filter_face_velocity" value="54.0 cm/s" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_sample_preparation" value="None" />
    <attribute name="ebas_instrument_name" value="HVS_01_pm10" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_measurement_uncertainty_expl" value="calculated according to provided example (by Jean-Philippe Putaud)" />
    <attribute name="ebas_filter_conditioning" value="None" />
    <attribute name="ebas_platform_code" value="PL0010S" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_station_code" value="PL0010U" />
    <attribute name="ebas_filter_description" value="Tissuquartz-2500QAT-UP" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_station_setting" value="Urban and center city" />
    <attribute name="ebas_station_latitude" value="50.066944444" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Sunset Laboratory" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_analytical_measurement_technique" value="thermal-optical_analysis" />
    <attribute name="ebas_instrument_model" value="DHA-80" />
    <attribute name="ebas_unit" value="ug C/m3" />
    <attribute name="ebas_station_name" value="AGH University Krakow" />
    <attribute name="ebas_detection_limit" value="0.088 ug C/m3" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_revision_date" value="20191010150000" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_filter_prefiring" value="Not prefired" />
    <attribute name="ebas_station_longitude" value="19.913055556" />
    <attribute name="ebas_analytical_instrument_model" value="Carbon Aerosol Analyzer" />
    <attribute name="ebas_method_ref" value="PL08L_TU_sunset_001" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
  </variable>
  <variable name="levoglucosan_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="levoglucosan_qc" shape="levoglucosan_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="elemental_carbon_uncertainty_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="total_carbon_uncertainty_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="organic_carbon_uncertainty" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_organic_carbon_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug C/m3" />
    <attribute name="ancillary_variables" value="organic_carbon_uncertainty_qc organic_carbon_uncertainty_ebasmetadata" />
    <attribute name="cell_methods" value="time: uncertainty" />
    <attribute name="ebas_artifact_correction" value="None" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., , Assessment of fine atmospheric aerosols (PM2.5), ther spatial variability (across Europe), their temporal variability (1h or better), the seasonality, the phenomenology (chemical composition) and the sources." />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, , Chemical On-Line cOmpoSition and Source Apportionment of fine aerosoL" />
    <attribute name="ebas_organization" value="PL08L, Faculty of Physics and Applied Computer Science, , , AGH University of Science and Technology, al. Mickiewicza 30, PL-30059, Krakow, Poland" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Wenche Aas, Wenche Aas" />
    <attribute name="ebas_volume_std_pressure" value="1013.00 hPa" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_exposed_filter_area" value="154.0 cm2" />
    <attribute name="ebas_originator" value="Styszko, Katarzyna, styszko@agh.edu.pl, AGH University of Science and Technology, AGH, Faculty of Energy and Fuels, al. Adama Mickiewicza 30, , 30-059, Krakow, Poland" />
    <attribute name="ebas_analytical_laboratory_code" value="PL08L" />
    <attribute name="ebas_statistics" value="uncertainty" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, CAMPAIGN, COLOSSAL" />
    <attribute name="ebas_filter_conditioning" value="None" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_zero_negative_values" value="zero/negative impossible due to high detected concentrations" />
    <attribute name="ebas_charring_correction" value="None" />
    <attribute name="ebas_analytical_instrument_name" value="TU_sunset_001" />
    <attribute name="ebas_submitter" value="Skiba, Alicja, alicja.skiba@fis.agh.edu.pl, AGH University of Science and Technology, AGH, Faculty of Physics and Applied Computer Science, al. Adama Mickiewicza 30, , 30-059, Krakow, Poland" />
    <attribute name="ebas_analytical_instrument_serial_number" value="241-45" />
    <attribute name="ebas_station_land_use" value="Residential" />
    <attribute name="ebas_measurement_height" value="2.0 m" />
    <attribute name="ebas_station_altitude" value="282.0 m" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_instrument_manufacturer" value="DIGITEL" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_analytical_measurement_technique" value="thermal-optical_analysis" />
    <attribute name="ebas_laboratory_code" value="PL08L" />
    <attribute name="ebas_filter_face_velocity" value="54.0 cm/s" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_sample_preparation" value="None" />
    <attribute name="ebas_instrument_name" value="HVS_01_pm10" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_measurement_uncertainty_expl" value="calculated according to provided example (by Jean-Philippe Putaud)" />
    <attribute name="ebas_platform_code" value="PL0010S" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_station_code" value="PL0010U" />
    <attribute name="ebas_filter_description" value="Tissuquartz-2500QAT-UP" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_station_setting" value="Urban and center city" />
    <attribute name="ebas_station_latitude" value="50.066944444" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Sunset Laboratory" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="organic_carbon" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_instrument_model" value="DHA-80" />
    <attribute name="ebas_unit" value="ug C/m3" />
    <attribute name="ebas_station_name" value="AGH University Krakow" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, waa@nilu.no, waa@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_revision_date" value="20191010150000" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_filter_prefiring" value="Not prefired" />
    <attribute name="ebas_station_longitude" value="19.913055556" />
    <attribute name="ebas_analytical_instrument_model" value="Carbon Aerosol Analyzer" />
    <attribute name="ebas_method_ref" value="PL08L_TU_sunset_001" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
  </variable>
  <variable name="levoglucosan" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_levoglucosan_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="levoglucosan_qc levoglucosan_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_artifact_correction" value="None" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., , Assessment of fine atmospheric aerosols (PM2.5), ther spatial variability (across Europe), their temporal variability (1h or better), the seasonality, the phenomenology (chemical composition) and the sources." />
    <attribute name="ebas_organization" value="PL08L, Faculty of Physics and Applied Computer Science, , , AGH University of Science and Technology, al. Mickiewicza 30, PL-30059, Krakow, Poland" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Wenche Aas, Wenche Aas" />
    <attribute name="ebas_volume_std_pressure" value="1013.00 hPa" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_exposed_filter_area" value="154.0 cm2" />
    <attribute name="ebas_originator" value="Styszko, Katarzyna, styszko@agh.edu.pl, AGH University of Science and Technology, AGH, Faculty of Energy and Fuels, al. Adama Mickiewicza 30, , 30-059, Krakow, Poland" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_analytical_laboratory_code" value="PL08L" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, CAMPAIGN, COLOSSAL" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_component" value="levoglucosan" />
    <attribute name="ebas_zero_negative_values" value="zero/negative impossible due to high detected concentrations" />
    <attribute name="ebas_charring_correction" value="None" />
    <attribute name="ebas_submitter" value="Skiba, Alicja, alicja.skiba@fis.agh.edu.pl, AGH University of Science and Technology, AGH, Faculty of Physics and Applied Computer Science, al. Adama Mickiewicza 30, , 30-059, Krakow, Poland" />
    <attribute name="ebas_station_land_use" value="Residential" />
    <attribute name="ebas_measurement_height" value="2.0 m" />
    <attribute name="ebas_station_altitude" value="282.0 m" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_instrument_manufacturer" value="DIGITEL" />
    <attribute name="ebas_station_setting" value="Urban and center city" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_filter_description" value="Tissuquartz-2500QAT-UP" />
    <attribute name="ebas_laboratory_code" value="PL08L" />
    <attribute name="ebas_filter_face_velocity" value="54.0 cm/s" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_sample_preparation" value="None" />
    <attribute name="ebas_instrument_name" value="HVS_01_pm10" />
    <attribute name="ebas_analytical_instrument_serial_number" value="8070220" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_measurement_uncertainty_expl" value="calculated according to provided example (by Jean-Philippe Putaud)" />
    <attribute name="ebas_filter_conditioning" value="None" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_platform_code" value="PL0010S" />
    <attribute name="ebas_analytical_instrument_name" value="IC" />
    <attribute name="ebas_station_code" value="PL0010U" />
    <attribute name="ebas_analytical_measurement_technique" value="IC" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_analytical_instrument_model" value="ICS-3000" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_station_latitude" value="50.066944444" />
    <attribute name="ebas_detection_limit" value="12.0 ng/m3" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Thermo Scientific" />
    <attribute name="ebas_instrument_model" value="DHA-80" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, , Chemical On-Line cOmpoSition and Source Apportionment of fine aerosoL" />
    <attribute name="ebas_station_name" value="AGH University Krakow" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, waa@nilu.no, waa@nilu.no" />
    <attribute name="ebas_method_ref" value="PL08L_IC" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_revision_date" value="20191010150000" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_filter_prefiring" value="Not prefired" />
    <attribute name="ebas_station_longitude" value="19.913055556" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
  </variable>
  <variable name="organic_carbon_uncertainty_qc" shape="organic_carbon_uncertainty_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="organic_carbon_amean_Fraction_ebasmetadata" shape="Fraction metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="time" shape="time" type="double">
    <attribute name="long_name" value="time of measurement" />
    <attribute name="standard_name" value="time" />
    <attribute name="units" value="days since 1900-01-01 00:00:00 UTC" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="gregorian" />
    <attribute name="bounds" value="time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
  </variable>
  <variable name="metadata_time" shape="metadata_time" type="double">
    <attribute name="long_name" value="time of ebas metadata intervals" />
    <attribute name="standard_name" value="time" />
    <attribute name="units" value="days since 1900-01-01 00:00:00 UTC" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="gregorian" />
    <attribute name="bounds" value="metadata_time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
  </variable>
  <variable name="Fraction" shape="Fraction" type="String" />
</netcdf>
