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  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="Heavy metals and inorganics in air and particle phase at Montseny" />
  <attribute name="summary" value="Heavy metals and inorganics in air and particle phase at Montseny. These measurements are gathered as a part of the following projects ACTRIS, EMEP, GAW-WDCA and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: ['ammonium in pm25 (mass_concentration_of_ammonium_expressed_as_nitrogen_in_pm2p5_dry_aerosol_particles_in_air)', 'ammonium in pm25 (mass_concentration_of_ammonium_in_pm2p5_dry_aerosol_particles_in_air)', 'antimony in pm25 (mass_concentration_of_antimony_in_pm2p5_in_air)', 'arsenic in pm25 (mass_concentration_of_arsenic_in_pm2p5_in_air)', 'barium in pm25 (mass_concentration_of_barium_in_pm2p5_in_air)', 'bismuth in pm25 (mass_concentration_of_bismuth_in_pm2p5_in_air)', 'cadmium in pm25 (mass_concentration_of_cadmium_in_pm2p5_in_air)', 'calcium in pm25 (mass_concentration_of_calcium_in_pm2p5_in_air)', 'cerium in pm25 (mass_concentration_of_cerium_in_pm2p5_in_air)', 'chloride in pm25 (mass_concentration_of_chloride_in_pm2p5_in_air)', 'chromium in pm25 (mass_concentration_of_chromium_in_pm2p5_in_air)', 'cobalt in pm25 (mass_concentration_of_cobalt_in_pm2p5_in_air)', 'copper in pm25 (mass_concentration_of_copper_in_pm2p5_in_air)', 'lanthanum in pm25 (mass_concentration_of_lanthanum_in_pm2p5_in_air)', 'lead in pm25 (mass_concentration_of_lead_in_pm2p5_in_air)', 'lithium in pm25 (mass_concentration_of_lithium_in_pm2p5_in_air)', 'magnesium in pm25 (mass_concentration_of_magnesium_in_pm2p5_in_air)', 'manganese in pm25 (mass_concentration_of_manganese_in_pm2p5_in_air)', 'nickel in pm25 (mass_concentration_of_nickel_in_pm2p5_in_air)', 'nitrate in pm25 (mass_concentration_of_nitrate_expressed_as_nitrogen_in_pm2p5_dry_aerosol_particles_in_air)', 'nitrate in pm25 (mass_concentration_of_nitrate_in_pm2p5_dry_aerosol_particles_in_air)', 'phosphorus in pm25 (mass_concentration_of_phosphorus_in_pm2p5_in_air)', 'potassium in pm25 (mass_concentration_of_potassium_in_pm2p5_in_air)', 'rubidium in pm25 (mass_concentration_of_rubidium_in_pm2p5_in_air)', 'selenium in pm25 (mass_concentration_of_selenium_in_pm2p5_in_air)', 'sodium in pm25 (mass_concentration_of_sodium_in_pm2p5_in_air)', 'strontium in pm25 (mass_concentration_of_strontium_in_pm2p5_in_air)', 'sulphate_total in pm25 (mass_concentration_of_sulphate_expressed_as_sulphur_in_pm2p5_dry_aerosol_particles_in_air)', 'sulphate_total in pm25 (mass_concentration_of_sulphate_in_pm2p5_dry_aerosol_particles_in_air)', 'thallium in pm25 (mass_concentration_of_thallium_in_pm2p5_in_air)', 'thorium in pm25 (mass_concentration_of_thorium_in_pm2p5_in_air)', 'tin in pm25 (mass_concentration_of_tin_in_pm2p5_in_air)', 'titanium in pm25 (mass_concentration_of_titanium_in_pm2p5_in_air)', 'uranium in pm25 (mass_concentration_of_uranium_in_pm2p5_in_air)', 'vanadium in pm25 (mass_concentration_of_vanadium_in_pm2p5_in_air)', 'zinc in pm25 (mass_concentration_of_zinc_in_pm2p5_in_air)']" />
  <attribute name="keywords" value="Montseny ES1778R ammonium antimony arsenic barium bismuth cadmium calcium cerium chloride chromium cobalt copper lanthanum lead lithium magnesium manganese nickel nitrate phosphorus potassium rubidium selenium sodium strontium sulphate_total thallium thorium tin titanium uranium vanadium zinc pm25 ACTRIS EMEP GAW-WDCA mass_concentration_of_ammonium_expressed_as_nitrogen_in_pm2p5_dry_aerosol_particles_in_air mass_concentration_of_ammonium_in_pm2p5_dry_aerosol_particles_in_air mass_concentration_of_antimony_in_pm2p5_in_air mass_concentration_of_arsenic_in_pm2p5_in_air mass_concentration_of_barium_in_pm2p5_in_air mass_concentration_of_bismuth_in_pm2p5_in_air mass_concentration_of_cadmium_in_pm2p5_in_air mass_concentration_of_calcium_in_pm2p5_in_air mass_concentration_of_cerium_in_pm2p5_in_air mass_concentration_of_chloride_in_pm2p5_in_air mass_concentration_of_chromium_in_pm2p5_in_air mass_concentration_of_cobalt_in_pm2p5_in_air mass_concentration_of_copper_in_pm2p5_in_air mass_concentration_of_lanthanum_in_pm2p5_in_air mass_concentration_of_lead_in_pm2p5_in_air mass_concentration_of_lithium_in_pm2p5_in_air mass_concentration_of_magnesium_in_pm2p5_in_air mass_concentration_of_manganese_in_pm2p5_in_air mass_concentration_of_nickel_in_pm2p5_in_air mass_concentration_of_nitrate_expressed_as_nitrogen_in_pm2p5_dry_aerosol_particles_in_air mass_concentration_of_nitrate_in_pm2p5_dry_aerosol_particles_in_air mass_concentration_of_phosphorus_in_pm2p5_in_air mass_concentration_of_potassium_in_pm2p5_in_air mass_concentration_of_rubidium_in_pm2p5_in_air mass_concentration_of_selenium_in_pm2p5_in_air mass_concentration_of_sodium_in_pm2p5_in_air mass_concentration_of_strontium_in_pm2p5_in_air mass_concentration_of_sulphate_expressed_as_sulphur_in_pm2p5_dry_aerosol_particles_in_air mass_concentration_of_sulphate_in_pm2p5_dry_aerosol_particles_in_air mass_concentration_of_thallium_in_pm2p5_in_air mass_concentration_of_thorium_in_pm2p5_in_air mass_concentration_of_tin_in_pm2p5_in_air mass_concentration_of_titanium_in_pm2p5_in_air mass_concentration_of_uranium_in_pm2p5_in_air mass_concentration_of_vanadium_in_pm2p5_in_air mass_concentration_of_zinc_in_pm2p5_in_air" />
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  <attribute name="project" value="ACTRIS, EMEP, GAW-WDCA" />
  <attribute name="acknowledgement" value="" />
  <attribute name="doi" value="https://doi.org/10.48597/T5QK-MV5M" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Perez, N., Alastuey, A., ACTRIS, EMEP, GAW-WDCA, 2022, Heavy metals and inorganics in air and particle phase at Montseny, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/T5QK-MV5M" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="ES05L &quot;Institute of Environmental Assessment and Water Research&quot; IDAEA-CSIC &quot;Jordi Girona 18-26&quot; 08034 Barcelona Spain" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2022-06-09T09:26:50.207000Z" />
  <attribute name="date_metadata_modified" value="2022-06-09T09:26:50Z" />
  <attribute name="creator_name" value="Noemi Perez, Andres Alastuey" />
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  <attribute name="contributor_name" value="Noemi Perez" />
  <attribute name="contributor_role" value="data submitter" />
  <attribute name="publisher_type" value="institution" />
  <attribute name="publisher_name" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_institution" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_email" value="ebas@nilu.no" />
  <attribute name="publisher_url" value="https://www.nilu.no/" />
  <attribute name="geospatial_bounds" value="POINT Z (2.35 41.766667 722)" />
  <attribute name="geospatial_lat_min" type="double" value="41.766667" />
  <attribute name="geospatial_lat_max" type="double" value="41.766667" />
  <attribute name="geospatial_lon_min" type="double" value="2.35" />
  <attribute name="geospatial_lon_max" type="double" value="2.35" />
  <attribute name="geospatial_vertical_min" type="double" value="722.0" />
  <attribute name="geospatial_vertical_max" type="double" value="722.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="time_coverage_start" value="2014-01-04T00:00:00Z" />
  <attribute name="time_coverage_end" value="2019-12-29T00:00:00Z" />
  <attribute name="time_coverage_duration" value="P0005-11-25T00:00:00" />
  <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_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="ebas_citation" value="Perez, N., Alastuey, A., ACTRIS, EMEP, GAW-WDCA, 2022, Heavy metals and inorganics in air and particle phase at Montseny, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/T5QK-MV5M" />
  <attribute name="ebas_set_type_code" value="TI" />
  <attribute name="ebas_timezone" value="UTC" />
  <attribute name="ebas_file_name" value="T5QK-MV5M.nc" />
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  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/T5QK-MV5M" />
  <attribute name="ebas_file_creation" value="2026-05-08T11:31:10.346159Z" />
  <attribute name="ebas_export_state" value="2022-06-09T09:26:50.207000Z" />
  <attribute name="ebas_export_filter" value="exclude-900,exclude-invalid" />
  <attribute name="ebas_startdate" value="2014-01-04T00:00:00.000000Z" />
  <attribute name="ebas_revision_date" value="2022-06-09T09:26:50.207000Z" />
  <attribute name="ebas_version" value="1" />
  <attribute name="ebas_statistics" value="arithmetic mean" />
  <attribute name="ebas_data_level" value="2" />
  <attribute name="ebas_period_code" value="6y" />
  <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="ES1778R" />
  <attribute name="ebas_platform_code" value="ES1778S" />
  <attribute name="ebas_station_name" value="Montseny" />
  <attribute name="ebas_station_latitude" type="double" value="41.766667" />
  <attribute name="ebas_station_longitude" type="double" value="2.35" />
  <attribute name="ebas_station_altitude" value="700.0 m" />
  <attribute name="ebas_measurement_altitude" value="722.0 m" />
  <attribute name="ebas_measurement_height" value="2.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_matrix" value="pm25" />
  <attribute name="ebas_laboratory_code" value="ES05L" />
  <attribute name="ebas_instrument_type" value="high_vol_sampler" />
  <attribute name="ebas_instrument_name" value="MCV_pm25_MSY" />
  <attribute name="ebas_instrument_manufacturer" value="MCV" />
  <attribute name="ebas_instrument_model" value="CAV-A/MSb" />
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  <attribute name="ebas_inlet_type" value="Impactor--direct" />
  <attribute name="ebas_inlet_description" value="MCV Head PM2.5 High Volume Sampler PM1025/UNE" />
  <attribute name="ebas_flow_rate" value="500.0 l/min" />
  <attribute name="ebas_medium" value="Quartz" />
  <attribute name="ebas_blank_correction" value="Blank corrected" />
  <attribute name="ebas_humidity_temperaure_control" value="None" />
  <attribute name="ebas_humidity_temperaure_control_description" value="filter and sampling head at ambient conditions" />
  <attribute name="ebas_volume_std_temperature" value="ambient" />
  <attribute name="ebas_volume_std_pressure" value="ambient" />
  <attribute name="ebas_detection_limit_expl" value="Determined as the blank signal plus 3 times the standard deviation of blanks" />
  <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
  <attribute name="ebas_zero_negative_values" value="Data under detection limits replaced by the detection limit value, flagged with 781" />
  <attribute name="ebas_organization" value="ES05L, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, , Jordi Girona 18-26, , 08034, Barcelona, Spain" />
  <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCA" />
  <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Aerosols" />
  <attribute name="ebas_framework_description" value="&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.&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;The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.&quot;" />
  <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
  <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
  <attribute name="ebas_originator" value="&quot;Perez, Noemi, , , , , , , , , &quot;, &quot;Alastuey, Andres, , , , , , , , , &quot;" />
  <attribute name="ebas_submitter" value="&quot;Perez, Noemi, , , , , , , , , &quot;" />
  <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCA. Request acknowledgement details from data originator" />
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  <attribute name="geospatial_lat_units" value="degrees_north" />
  <attribute name="geospatial_lon_units" value="degrees_east" />
  <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" />
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  <dimension name="time" length="450" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="6" />
  <dimension name="qc_ammonium_ug_N_per_m3_flags" length="1" />
  <dimension name="qc_ammonium_ug_per_m3_flags" length="1" />
  <dimension name="qc_antimony_flags" length="1" />
  <dimension name="qc_arsenic_flags" length="1" />
  <dimension name="qc_barium_flags" length="1" />
  <dimension name="qc_bismuth_flags" length="1" />
  <dimension name="qc_cadmium_flags" length="1" />
  <dimension name="qc_calcium_flags" length="1" />
  <dimension name="qc_cerium_flags" length="1" />
  <dimension name="qc_chloride_flags" length="1" />
  <dimension name="qc_chromium_flags" length="1" />
  <dimension name="qc_cobalt_flags" length="1" />
  <dimension name="qc_copper_flags" length="1" />
  <dimension name="qc_lanthanum_flags" length="1" />
  <dimension name="qc_lead_flags" length="1" />
  <dimension name="qc_lithium_flags" length="1" />
  <dimension name="qc_magnesium_flags" length="1" />
  <dimension name="qc_manganese_flags" length="1" />
  <dimension name="qc_nickel_flags" length="1" />
  <dimension name="qc_nitrate_ug_N_per_m3_flags" length="1" />
  <dimension name="qc_nitrate_ug_per_m3_flags" length="1" />
  <dimension name="qc_phosphorus_flags" length="1" />
  <dimension name="qc_potassium_flags" length="1" />
  <dimension name="qc_rubidium_flags" length="1" />
  <dimension name="qc_selenium_flags" length="1" />
  <dimension name="qc_sodium_flags" length="1" />
  <dimension name="qc_strontium_flags" length="1" />
  <dimension name="qc_sulphate_total_ug_S_per_m3_flags" length="1" />
  <dimension name="qc_sulphate_total_ug_per_m3_flags" length="1" />
  <dimension name="qc_thallium_flags" length="1" />
  <dimension name="qc_thorium_flags" length="1" />
  <dimension name="qc_tin_flags" length="1" />
  <dimension name="qc_titanium_flags" length="1" />
  <dimension name="qc_uranium_flags" length="1" />
  <dimension name="qc_vanadium_flags" length="1" />
  <dimension name="qc_zinc_flags" length="1" />
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    <attribute name="long_name" value="time bounds for measurement" />
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    <attribute name="long_name" value="time bounds for ebas metadata intervals" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="ES1778R" />
    <attribute name="ebas_platform_code" value="ES1778S" />
    <attribute name="ebas_station_name" value="Montseny" />
    <attribute name="ebas_station_latitude" type="double" value="41.766667" />
    <attribute name="ebas_station_longitude" type="double" value="2.35" />
    <attribute name="ebas_station_altitude" value="700.0 m" />
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    <attribute name="ebas_matrix" value="pm25" />
    <attribute name="ebas_laboratory_code" value="ES05L" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="MCV_pm25_MSY" />
    <attribute name="ebas_instrument_manufacturer" value="MCV" />
    <attribute name="ebas_instrument_model" value="CAV-A/MSb" />
    <attribute name="ebas_analytical_laboratory_code" value="ES05L" />
    <attribute name="ebas_analytical_measurement_technique" value="IC" />
    <attribute name="ebas_analytical_instrument_name" value="IC" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Waters" />
    <attribute name="ebas_analytical_instrument_model" value="IC system" />
    <attribute name="ebas_method_ref" value="ES05L_IC" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="MCV Head PM2.5 High Volume Sampler PM1025/UNE" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_sample_preparation" value="Water extraction after ultrasonic treatment" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter and sampling head at ambient conditions" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit" value="0.01 ug N/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined as the blank signal plus 3 times the standard deviation of blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
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    <attribute name="ebas_framework_description" value="&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.&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;The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.&quot;" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
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    <attribute name="ebas_originator" value="&quot;Perez, Noemi, , , , , , , , , &quot;, &quot;Alastuey, Andres, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Perez, Noemi, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCA. Request acknowledgement details from data originator" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticleammoniummassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle ammonium mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM2.5" />
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    <attribute name="actris_constraints_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/expressedasnitrogen" />
    <attribute name="actris_constraints_preferred_term" value="expressed as nitrogen" />
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    <attribute name="standard_name" value="status_flag" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_ammonium_in_pm2p5_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="qc_ammonium_ug_per_m3 meta_ammonium_ug_per_m3" />
    <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="2022-06-09T09:26:50.207000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="ES1778R" />
    <attribute name="ebas_platform_code" value="ES1778S" />
    <attribute name="ebas_station_name" value="Montseny" />
    <attribute name="ebas_station_latitude" type="double" value="41.766667" />
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    <attribute name="ebas_station_altitude" value="700.0 m" />
    <attribute name="ebas_measurement_altitude" value="722.0 m" />
    <attribute name="ebas_measurement_height" value="2.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ammonium" />
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    <attribute name="ebas_matrix" value="pm25" />
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    <attribute name="ebas_instrument_name" value="MCV_pm25_MSY" />
    <attribute name="ebas_instrument_manufacturer" value="MCV" />
    <attribute name="ebas_instrument_model" value="CAV-A/MSb" />
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    <attribute name="ebas_analytical_measurement_technique" value="IC" />
    <attribute name="ebas_analytical_instrument_name" value="IC" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Waters" />
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    <attribute name="ebas_inlet_description" value="MCV Head PM2.5 High Volume Sampler PM1025/UNE" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
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    <attribute name="ebas_sample_preparation" value="Water extraction after ultrasonic treatment" />
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    <attribute name="ebas_humidity_temperaure_control" value="None" />
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    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit" value="0.0 ug/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined as the blank signal plus 3 times the standard deviation of blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Data under detection limits replaced by the detection limit value, flagged with 781" />
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    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
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    <attribute name="ebas_originator" value="&quot;Perez, Noemi, , , , , , , , , &quot;, &quot;Alastuey, Andres, , , , , , , , , &quot;" />
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    <attribute name="ebas_comment" value="Data converted on export from EBAS from 'ug N/m3' to 'ug/m3', conversion factor 1.288. Detection limit converted from '0.01 ug N/m3' to '0.0 ug/m3', conversion factor 1.288." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticleammoniummassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle ammonium mass concentration" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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  <variable name="v_antimony" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_antimony_in_pm2p5_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
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    <attribute name="ancillary_variables" value="qc_antimony meta_antimony" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2022-06-09T09:26:50.207000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="ES1778R" />
    <attribute name="ebas_platform_code" value="ES1778S" />
    <attribute name="ebas_station_name" value="Montseny" />
    <attribute name="ebas_station_latitude" type="double" value="41.766667" />
    <attribute name="ebas_station_longitude" type="double" value="2.35" />
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    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="antimony" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="pm25" />
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    <attribute name="ebas_instrument_name" value="MCV_pm25_MSY" />
    <attribute name="ebas_instrument_manufacturer" value="MCV" />
    <attribute name="ebas_instrument_model" value="CAV-A/MSb" />
    <attribute name="ebas_analytical_laboratory_code" value="ES05L" />
    <attribute name="ebas_analytical_measurement_technique" value="ICP-MS" />
    <attribute name="ebas_analytical_instrument_name" value="ICPMS" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Thermo" />
    <attribute name="ebas_analytical_instrument_model" value="X Series II" />
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    <attribute name="ebas_inlet_description" value="MCV Head PM2.5 High Volume Sampler PM1025/UNE" />
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    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
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    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit" value="0.03 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined as the blank signal plus 3 times the standard deviation of blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
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    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticleantimonymassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle antimony mass concentration" />
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  <variable name="meta_antimony" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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  <variable name="v_arsenic" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_arsenic_in_pm2p5_in_air" />
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    <attribute name="ancillary_variables" value="qc_arsenic meta_arsenic" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2022-06-09T09:26:50.207000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="ES1778R" />
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    <attribute name="ebas_station_name" value="Montseny" />
    <attribute name="ebas_station_latitude" type="double" value="41.766667" />
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    <attribute name="ebas_measurement_height" value="2.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="arsenic" />
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    <attribute name="ebas_instrument_name" value="MCV_pm25_MSY" />
    <attribute name="ebas_instrument_manufacturer" value="MCV" />
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    <attribute name="ebas_analytical_laboratory_code" value="ES05L" />
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    <attribute name="ebas_analytical_instrument_name" value="ICPMS" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Thermo" />
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    <attribute name="ebas_blank_correction" value="Blank corrected" />
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    <attribute name="ebas_volume_std_pressure" value="ambient" />
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    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Data under detection limits replaced by the detection limit value, flagged with 781" />
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    <attribute name="ebas_framework_description" value="&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.&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;The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.&quot;" />
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    <attribute name="ebas_originator" value="&quot;Perez, Noemi, , , , , , , , , &quot;, &quot;Alastuey, Andres, , , , , , , , , &quot;" />
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    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlearsenicmassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle arsenic mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM2.5" />
    <attribute name="actris_matrix_preferred_term" value="PM2.5" />
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    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
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    <attribute name="actris_instrument_type_preferred_term" value="high volume filter sampler" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCA" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCA" />
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  <variable name="qc_arsenic" shape="qc_arsenic_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="meta_arsenic" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_barium" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_barium_in_pm2p5_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="qc_barium meta_barium" />
    <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="2022-06-09T09:26:50.207000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="ES1778R" />
    <attribute name="ebas_platform_code" value="ES1778S" />
    <attribute name="ebas_station_name" value="Montseny" />
    <attribute name="ebas_station_latitude" type="double" value="41.766667" />
    <attribute name="ebas_station_longitude" type="double" value="2.35" />
    <attribute name="ebas_station_altitude" value="700.0 m" />
    <attribute name="ebas_measurement_altitude" value="722.0 m" />
    <attribute name="ebas_measurement_height" value="2.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="barium" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="pm25" />
    <attribute name="ebas_laboratory_code" value="ES05L" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="MCV_pm25_MSY" />
    <attribute name="ebas_instrument_manufacturer" value="MCV" />
    <attribute name="ebas_instrument_model" value="CAV-A/MSb" />
    <attribute name="ebas_analytical_laboratory_code" value="ES05L" />
    <attribute name="ebas_analytical_measurement_technique" value="ICP-MS" />
    <attribute name="ebas_analytical_instrument_name" value="ICPMS" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Thermo" />
    <attribute name="ebas_analytical_instrument_model" value="X Series II" />
    <attribute name="ebas_method_ref" value="ES05L_ICPMS" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="MCV Head PM2.5 High Volume Sampler PM1025/UNE" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter and sampling head at ambient conditions" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit" value="0.03 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined as the blank signal plus 3 times the standard deviation of blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Data under detection limits replaced by the detection limit value, flagged with 781" />
    <attribute name="ebas_organization" value="ES05L, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, , Jordi Girona 18-26, , 08034, Barcelona, Spain" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="&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.&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;The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.&quot;" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Perez, Noemi, , , , , , , , , &quot;, &quot;Alastuey, Andres, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Perez, Noemi, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCA. Request acknowledgement details from data originator" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlebariummassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle barium mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM2.5" />
    <attribute name="actris_matrix_preferred_term" value="PM2.5" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/highvolumefiltersampler" />
    <attribute name="actris_instrument_type_preferred_term" value="high volume filter sampler" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCA" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCA" />
    <attribute name="actris_temporal_resolution" value="P4D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_barium" shape="qc_barium_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="meta_barium" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_bismuth" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_bismuth_in_pm2p5_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="qc_bismuth meta_bismuth" />
    <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="2022-06-09T09:26:50.207000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="ES1778R" />
    <attribute name="ebas_platform_code" value="ES1778S" />
    <attribute name="ebas_station_name" value="Montseny" />
    <attribute name="ebas_station_latitude" type="double" value="41.766667" />
    <attribute name="ebas_station_longitude" type="double" value="2.35" />
    <attribute name="ebas_station_altitude" value="700.0 m" />
    <attribute name="ebas_measurement_altitude" value="722.0 m" />
    <attribute name="ebas_measurement_height" value="2.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="bismuth" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="pm25" />
    <attribute name="ebas_laboratory_code" value="ES05L" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="MCV_pm25_MSY" />
    <attribute name="ebas_instrument_manufacturer" value="MCV" />
    <attribute name="ebas_instrument_model" value="CAV-A/MSb" />
    <attribute name="ebas_analytical_laboratory_code" value="ES05L" />
    <attribute name="ebas_analytical_measurement_technique" value="ICP-MS" />
    <attribute name="ebas_analytical_instrument_name" value="ICPMS" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Thermo" />
    <attribute name="ebas_analytical_instrument_model" value="X Series II" />
    <attribute name="ebas_method_ref" value="ES05L_ICPMS" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="MCV Head PM2.5 High Volume Sampler PM1025/UNE" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter and sampling head at ambient conditions" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit" value="0.03 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined as the blank signal plus 3 times the standard deviation of blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Data under detection limits replaced by the detection limit value, flagged with 781" />
    <attribute name="ebas_organization" value="ES05L, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, , Jordi Girona 18-26, , 08034, Barcelona, Spain" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="&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.&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;The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.&quot;" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Perez, Noemi, , , , , , , , , &quot;, &quot;Alastuey, Andres, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Perez, Noemi, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCA. Request acknowledgement details from data originator" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlebismuthmassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle bismuth mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM2.5" />
    <attribute name="actris_matrix_preferred_term" value="PM2.5" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/highvolumefiltersampler" />
    <attribute name="actris_instrument_type_preferred_term" value="high volume filter sampler" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCA" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCA" />
    <attribute name="actris_temporal_resolution" value="P4D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_bismuth" shape="qc_bismuth_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="meta_bismuth" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_cadmium" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_cadmium_in_pm2p5_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="qc_cadmium meta_cadmium" />
    <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="2022-06-09T09:26:50.207000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="ES1778R" />
    <attribute name="ebas_platform_code" value="ES1778S" />
    <attribute name="ebas_station_name" value="Montseny" />
    <attribute name="ebas_station_latitude" type="double" value="41.766667" />
    <attribute name="ebas_station_longitude" type="double" value="2.35" />
    <attribute name="ebas_station_altitude" value="700.0 m" />
    <attribute name="ebas_measurement_altitude" value="722.0 m" />
    <attribute name="ebas_measurement_height" value="2.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="cadmium" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="pm25" />
    <attribute name="ebas_laboratory_code" value="ES05L" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="MCV_pm25_MSY" />
    <attribute name="ebas_instrument_manufacturer" value="MCV" />
    <attribute name="ebas_instrument_model" value="CAV-A/MSb" />
    <attribute name="ebas_analytical_laboratory_code" value="ES05L" />
    <attribute name="ebas_analytical_measurement_technique" value="ICP-MS" />
    <attribute name="ebas_analytical_instrument_name" value="ICPMS" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Thermo" />
    <attribute name="ebas_analytical_instrument_model" value="X Series II" />
    <attribute name="ebas_method_ref" value="ES05L_ICPMS" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="MCV Head PM2.5 High Volume Sampler PM1025/UNE" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter and sampling head at ambient conditions" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit" value="0.03 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined as the blank signal plus 3 times the standard deviation of blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Data under detection limits replaced by the detection limit value, flagged with 781" />
    <attribute name="ebas_organization" value="ES05L, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, , Jordi Girona 18-26, , 08034, Barcelona, Spain" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="&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.&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;The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.&quot;" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Perez, Noemi, , , , , , , , , &quot;, &quot;Alastuey, Andres, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Perez, Noemi, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCA. Request acknowledgement details from data originator" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlecadmiummassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle cadmium mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM2.5" />
    <attribute name="actris_matrix_preferred_term" value="PM2.5" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/highvolumefiltersampler" />
    <attribute name="actris_instrument_type_preferred_term" value="high volume filter sampler" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCA" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCA" />
    <attribute name="actris_temporal_resolution" value="P4D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_cadmium" shape="qc_cadmium_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="meta_cadmium" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_calcium" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_calcium_in_pm2p5_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="qc_calcium meta_calcium" />
    <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="2022-06-09T09:26:50.207000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="ES1778R" />
    <attribute name="ebas_platform_code" value="ES1778S" />
    <attribute name="ebas_station_name" value="Montseny" />
    <attribute name="ebas_station_latitude" type="double" value="41.766667" />
    <attribute name="ebas_station_longitude" type="double" value="2.35" />
    <attribute name="ebas_station_altitude" value="700.0 m" />
    <attribute name="ebas_measurement_altitude" value="722.0 m" />
    <attribute name="ebas_measurement_height" value="2.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="calcium" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="pm25" />
    <attribute name="ebas_laboratory_code" value="ES05L" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="MCV_pm25_MSY" />
    <attribute name="ebas_instrument_manufacturer" value="MCV" />
    <attribute name="ebas_instrument_model" value="CAV-A/MSb" />
    <attribute name="ebas_analytical_laboratory_code" value="ES05L" />
    <attribute name="ebas_analytical_measurement_technique" value="ICP-AES" />
    <attribute name="ebas_analytical_instrument_name" value="ICPAES" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Jarell Ash (Thermo)" />
    <attribute name="ebas_analytical_instrument_model" value="Iris Advantage" />
    <attribute name="ebas_method_ref" value="ES05L_ICPAES" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="MCV Head PM2.5 High Volume Sampler PM1025/UNE" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter and sampling head at ambient conditions" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit" value="0.01 ug/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined as the blank signal plus 3 times the standard deviation of blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Data under detection limits replaced by the detection limit value, flagged with 781" />
    <attribute name="ebas_organization" value="ES05L, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, , Jordi Girona 18-26, , 08034, Barcelona, Spain" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="&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.&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;The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.&quot;" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Perez, Noemi, , , , , , , , , &quot;, &quot;Alastuey, Andres, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Perez, Noemi, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCA. Request acknowledgement details from data originator" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlecalciummassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle calcium mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM2.5" />
    <attribute name="actris_matrix_preferred_term" value="PM2.5" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/highvolumefiltersampler" />
    <attribute name="actris_instrument_type_preferred_term" value="high volume filter sampler" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCA" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCA" />
    <attribute name="actris_temporal_resolution" value="P4D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_calcium" shape="qc_calcium_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="meta_calcium" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_cerium" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_cerium_in_pm2p5_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="qc_cerium meta_cerium" />
    <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="2022-06-09T09:26:50.207000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="ES1778R" />
    <attribute name="ebas_platform_code" value="ES1778S" />
    <attribute name="ebas_station_name" value="Montseny" />
    <attribute name="ebas_station_latitude" type="double" value="41.766667" />
    <attribute name="ebas_station_longitude" type="double" value="2.35" />
    <attribute name="ebas_station_altitude" value="700.0 m" />
    <attribute name="ebas_measurement_altitude" value="722.0 m" />
    <attribute name="ebas_measurement_height" value="2.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="cerium" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="pm25" />
    <attribute name="ebas_laboratory_code" value="ES05L" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="MCV_pm25_MSY" />
    <attribute name="ebas_instrument_manufacturer" value="MCV" />
    <attribute name="ebas_instrument_model" value="CAV-A/MSb" />
    <attribute name="ebas_analytical_laboratory_code" value="ES05L" />
    <attribute name="ebas_analytical_measurement_technique" value="ICP-MS" />
    <attribute name="ebas_analytical_instrument_name" value="ICPMS" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Thermo" />
    <attribute name="ebas_analytical_instrument_model" value="X Series II" />
    <attribute name="ebas_method_ref" value="ES05L_ICPMS" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="MCV Head PM2.5 High Volume Sampler PM1025/UNE" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter and sampling head at ambient conditions" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit" value="0.03 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined as the blank signal plus 3 times the standard deviation of blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Data under detection limits replaced by the detection limit value, flagged with 781" />
    <attribute name="ebas_organization" value="ES05L, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, , Jordi Girona 18-26, , 08034, Barcelona, Spain" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="&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.&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;The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.&quot;" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Perez, Noemi, , , , , , , , , &quot;, &quot;Alastuey, Andres, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Perez, Noemi, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCA. Request acknowledgement details from data originator" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticleceriummassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle cerium mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM2.5" />
    <attribute name="actris_matrix_preferred_term" value="PM2.5" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/highvolumefiltersampler" />
    <attribute name="actris_instrument_type_preferred_term" value="high volume filter sampler" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCA" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCA" />
    <attribute name="actris_temporal_resolution" value="P4D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_cerium" shape="qc_cerium_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="meta_cerium" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_chloride" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_chloride_in_pm2p5_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="qc_chloride meta_chloride" />
    <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="2022-06-09T09:26:50.207000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="ES1778R" />
    <attribute name="ebas_platform_code" value="ES1778S" />
    <attribute name="ebas_station_name" value="Montseny" />
    <attribute name="ebas_station_latitude" type="double" value="41.766667" />
    <attribute name="ebas_station_longitude" type="double" value="2.35" />
    <attribute name="ebas_station_altitude" value="700.0 m" />
    <attribute name="ebas_measurement_altitude" value="722.0 m" />
    <attribute name="ebas_measurement_height" value="2.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="chloride" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="pm25" />
    <attribute name="ebas_laboratory_code" value="ES05L" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="MCV_pm25_MSY" />
    <attribute name="ebas_instrument_manufacturer" value="MCV" />
    <attribute name="ebas_instrument_model" value="CAV-A/MSb" />
    <attribute name="ebas_analytical_laboratory_code" value="ES05L" />
    <attribute name="ebas_analytical_measurement_technique" value="IC" />
    <attribute name="ebas_analytical_instrument_name" value="IC" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Waters" />
    <attribute name="ebas_analytical_instrument_model" value="IC system" />
    <attribute name="ebas_method_ref" value="ES05L_IC" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="MCV Head PM2.5 High Volume Sampler PM1025/UNE" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_sample_preparation" value="Water extraction after ultrasonic treatment" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter and sampling head at ambient conditions" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit" value="0.01 ug/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined as the blank signal plus 3 times the standard deviation of blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Data under detection limits replaced by the detection limit value, flagged with 781" />
    <attribute name="ebas_organization" value="ES05L, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, , Jordi Girona 18-26, , 08034, Barcelona, Spain" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="&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.&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;The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.&quot;" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Perez, Noemi, , , , , , , , , &quot;, &quot;Alastuey, Andres, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Perez, Noemi, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCA. Request acknowledgement details from data originator" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlechloridemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle chloride mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM2.5" />
    <attribute name="actris_matrix_preferred_term" value="PM2.5" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/highvolumefiltersampler" />
    <attribute name="actris_instrument_type_preferred_term" value="high volume filter sampler" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCA" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCA" />
    <attribute name="actris_temporal_resolution" value="P4D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_chloride" shape="qc_chloride_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="meta_chloride" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_chromium" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_chromium_in_pm2p5_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="qc_chromium meta_chromium" />
    <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="2022-06-09T09:26:50.207000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="ES1778R" />
    <attribute name="ebas_platform_code" value="ES1778S" />
    <attribute name="ebas_station_name" value="Montseny" />
    <attribute name="ebas_station_latitude" type="double" value="41.766667" />
    <attribute name="ebas_station_longitude" type="double" value="2.35" />
    <attribute name="ebas_station_altitude" value="700.0 m" />
    <attribute name="ebas_measurement_altitude" value="722.0 m" />
    <attribute name="ebas_measurement_height" value="2.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="chromium" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="pm25" />
    <attribute name="ebas_laboratory_code" value="ES05L" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="MCV_pm25_MSY" />
    <attribute name="ebas_instrument_manufacturer" value="MCV" />
    <attribute name="ebas_instrument_model" value="CAV-A/MSb" />
    <attribute name="ebas_analytical_laboratory_code" value="ES05L" />
    <attribute name="ebas_analytical_measurement_technique" value="ICP-MS" />
    <attribute name="ebas_analytical_instrument_name" value="ICPMS" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Thermo" />
    <attribute name="ebas_analytical_instrument_model" value="X Series II" />
    <attribute name="ebas_method_ref" value="ES05L_ICPMS" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="MCV Head PM2.5 High Volume Sampler PM1025/UNE" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter and sampling head at ambient conditions" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit" value="0.03 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined as the blank signal plus 3 times the standard deviation of blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Data under detection limits replaced by the detection limit value, flagged with 781" />
    <attribute name="ebas_organization" value="ES05L, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, , Jordi Girona 18-26, , 08034, Barcelona, Spain" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="&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.&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;The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.&quot;" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Perez, Noemi, , , , , , , , , &quot;, &quot;Alastuey, Andres, , , , , , , , , &quot;" />
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    <attribute name="actris_variable_preferred_term" value="aerosol particle chromium mass concentration" />
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  <variable name="qc_chromium" shape="qc_chromium_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
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    <attribute name="units" value="1" />
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  <variable name="v_cobalt" shape="time" type="double">
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    <attribute name="ancillary_variables" value="qc_cobalt meta_cobalt" />
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    <attribute name="ebas_revision_date" value="2022-06-09T09:26:50.207000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="ES1778R" />
    <attribute name="ebas_platform_code" value="ES1778S" />
    <attribute name="ebas_station_name" value="Montseny" />
    <attribute name="ebas_station_latitude" type="double" value="41.766667" />
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    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="cobalt" />
    <attribute name="ebas_unit" value="ng/m3" />
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    <attribute name="ebas_instrument_name" value="MCV_pm25_MSY" />
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    <attribute name="ebas_analytical_laboratory_code" value="ES05L" />
    <attribute name="ebas_analytical_measurement_technique" value="ICP-MS" />
    <attribute name="ebas_analytical_instrument_name" value="ICPMS" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Thermo" />
    <attribute name="ebas_analytical_instrument_model" value="X Series II" />
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    <attribute name="ebas_blank_correction" value="Blank corrected" />
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    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit" value="0.03 ng/m3" />
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    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
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    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
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    <attribute name="actris_variable_preferred_term" value="aerosol particle cobalt mass concentration" />
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  <variable name="qc_cobalt" shape="qc_cobalt_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
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    <attribute name="units" value="1" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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  <variable name="v_copper" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_copper_in_pm2p5_in_air" />
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    <attribute name="ancillary_variables" value="qc_copper meta_copper" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2022-06-09T09:26:50.207000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
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    <attribute name="ebas_station_name" value="Montseny" />
    <attribute name="ebas_station_latitude" type="double" value="41.766667" />
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    <attribute name="ebas_component" value="copper" />
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    <attribute name="ebas_instrument_name" value="MCV_pm25_MSY" />
    <attribute name="ebas_instrument_manufacturer" value="MCV" />
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    <attribute name="ebas_analytical_measurement_technique" value="ICP-MS" />
    <attribute name="ebas_analytical_instrument_name" value="ICPMS" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Thermo" />
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    <attribute name="ebas_blank_correction" value="Blank corrected" />
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    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlecoppermassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle copper mass concentration" />
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  <variable name="meta_copper" shape="metadata_time" type="String">
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    <attribute name="ancillary_variables" value="qc_lanthanum meta_lanthanum" />
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    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
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    <attribute name="ebas_station_latitude" type="double" value="41.766667" />
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    <attribute name="ebas_instrument_name" value="MCV_pm25_MSY" />
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    <attribute name="ebas_analytical_measurement_technique" value="ICP-MS" />
    <attribute name="ebas_analytical_instrument_name" value="ICPMS" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Thermo" />
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    <attribute name="ebas_zero_negative_values" value="Data under detection limits replaced by the detection limit value, flagged with 781" />
    <attribute name="ebas_organization" value="ES05L, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, , Jordi Girona 18-26, , 08034, Barcelona, Spain" />
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    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Perez, Noemi, , , , , , , , , &quot;, &quot;Alastuey, Andres, , , , , , , , , &quot;" />
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    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlelanthanummassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle lanthanum mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM2.5" />
    <attribute name="actris_matrix_preferred_term" value="PM2.5" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/highvolumefiltersampler" />
    <attribute name="actris_instrument_type_preferred_term" value="high volume filter sampler" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCA" />
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  </variable>
  <variable name="qc_lanthanum" shape="qc_lanthanum_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="meta_lanthanum" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_lead" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_lead_in_pm2p5_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="qc_lead meta_lead" />
    <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="2022-06-09T09:26:50.207000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="ES1778R" />
    <attribute name="ebas_platform_code" value="ES1778S" />
    <attribute name="ebas_station_name" value="Montseny" />
    <attribute name="ebas_station_latitude" type="double" value="41.766667" />
    <attribute name="ebas_station_longitude" type="double" value="2.35" />
    <attribute name="ebas_station_altitude" value="700.0 m" />
    <attribute name="ebas_measurement_altitude" value="722.0 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="pm25" />
    <attribute name="ebas_laboratory_code" value="ES05L" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="MCV_pm25_MSY" />
    <attribute name="ebas_instrument_manufacturer" value="MCV" />
    <attribute name="ebas_instrument_model" value="CAV-A/MSb" />
    <attribute name="ebas_analytical_laboratory_code" value="ES05L" />
    <attribute name="ebas_analytical_measurement_technique" value="ICP-MS" />
    <attribute name="ebas_analytical_instrument_name" value="ICPMS" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Thermo" />
    <attribute name="ebas_analytical_instrument_model" value="X Series II" />
    <attribute name="ebas_method_ref" value="ES05L_ICPMS" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="MCV Head PM2.5 High Volume Sampler PM1025/UNE" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter and sampling head at ambient conditions" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit" value="0.03 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined as the blank signal plus 3 times the standard deviation of blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Data under detection limits replaced by the detection limit value, flagged with 781" />
    <attribute name="ebas_organization" value="ES05L, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, , Jordi Girona 18-26, , 08034, Barcelona, Spain" />
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    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="&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.&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;The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.&quot;" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Perez, Noemi, , , , , , , , , &quot;, &quot;Alastuey, Andres, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Perez, Noemi, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCA. Request acknowledgement details from data originator" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticleleadmassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle lead mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM2.5" />
    <attribute name="actris_matrix_preferred_term" value="PM2.5" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/highvolumefiltersampler" />
    <attribute name="actris_instrument_type_preferred_term" value="high volume filter sampler" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCA" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCA" />
    <attribute name="actris_temporal_resolution" value="P4D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_lead" shape="qc_lead_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="meta_lead" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_lithium" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_lithium_in_pm2p5_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="qc_lithium meta_lithium" />
    <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="2022-06-09T09:26:50.207000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="ES1778R" />
    <attribute name="ebas_platform_code" value="ES1778S" />
    <attribute name="ebas_station_name" value="Montseny" />
    <attribute name="ebas_station_latitude" type="double" value="41.766667" />
    <attribute name="ebas_station_longitude" type="double" value="2.35" />
    <attribute name="ebas_station_altitude" value="700.0 m" />
    <attribute name="ebas_measurement_altitude" value="722.0 m" />
    <attribute name="ebas_measurement_height" value="2.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="lithium" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="pm25" />
    <attribute name="ebas_laboratory_code" value="ES05L" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="MCV_pm25_MSY" />
    <attribute name="ebas_instrument_manufacturer" value="MCV" />
    <attribute name="ebas_instrument_model" value="CAV-A/MSb" />
    <attribute name="ebas_analytical_laboratory_code" value="ES05L" />
    <attribute name="ebas_analytical_measurement_technique" value="ICP-MS" />
    <attribute name="ebas_analytical_instrument_name" value="ICPMS" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Thermo" />
    <attribute name="ebas_analytical_instrument_model" value="X Series II" />
    <attribute name="ebas_method_ref" value="ES05L_ICPMS" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="MCV Head PM2.5 High Volume Sampler PM1025/UNE" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter and sampling head at ambient conditions" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit" value="0.03 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined as the blank signal plus 3 times the standard deviation of blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Data under detection limits replaced by the detection limit value, flagged with 781" />
    <attribute name="ebas_organization" value="ES05L, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, , Jordi Girona 18-26, , 08034, Barcelona, Spain" />
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    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="&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.&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;The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.&quot;" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Perez, Noemi, , , , , , , , , &quot;, &quot;Alastuey, Andres, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Perez, Noemi, , , , , , , , , &quot;" />
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    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlelithiummassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle lithium mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM2.5" />
    <attribute name="actris_matrix_preferred_term" value="PM2.5" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/highvolumefiltersampler" />
    <attribute name="actris_instrument_type_preferred_term" value="high volume filter sampler" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCA" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCA" />
    <attribute name="actris_temporal_resolution" value="P4D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_lithium" shape="qc_lithium_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="meta_lithium" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_magnesium" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_magnesium_in_pm2p5_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="qc_magnesium meta_magnesium" />
    <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="2022-06-09T09:26:50.207000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="ES1778R" />
    <attribute name="ebas_platform_code" value="ES1778S" />
    <attribute name="ebas_station_name" value="Montseny" />
    <attribute name="ebas_station_latitude" type="double" value="41.766667" />
    <attribute name="ebas_station_longitude" type="double" value="2.35" />
    <attribute name="ebas_station_altitude" value="700.0 m" />
    <attribute name="ebas_measurement_altitude" value="722.0 m" />
    <attribute name="ebas_measurement_height" value="2.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="magnesium" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="pm25" />
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    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="MCV_pm25_MSY" />
    <attribute name="ebas_instrument_manufacturer" value="MCV" />
    <attribute name="ebas_instrument_model" value="CAV-A/MSb" />
    <attribute name="ebas_analytical_laboratory_code" value="ES05L" />
    <attribute name="ebas_analytical_measurement_technique" value="ICP-AES" />
    <attribute name="ebas_analytical_instrument_name" value="ICPAES" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Jarell Ash (Thermo)" />
    <attribute name="ebas_analytical_instrument_model" value="Iris Advantage" />
    <attribute name="ebas_method_ref" value="ES05L_ICPAES" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="MCV Head PM2.5 High Volume Sampler PM1025/UNE" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter and sampling head at ambient conditions" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit" value="0.01 ug/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined as the blank signal plus 3 times the standard deviation of blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Data under detection limits replaced by the detection limit value, flagged with 781" />
    <attribute name="ebas_organization" value="ES05L, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, , Jordi Girona 18-26, , 08034, Barcelona, Spain" />
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    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="&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.&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;The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.&quot;" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Perez, Noemi, , , , , , , , , &quot;, &quot;Alastuey, Andres, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Perez, Noemi, , , , , , , , , &quot;" />
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    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlemagnesiummassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle magnesium mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM2.5" />
    <attribute name="actris_matrix_preferred_term" value="PM2.5" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/highvolumefiltersampler" />
    <attribute name="actris_instrument_type_preferred_term" value="high volume filter sampler" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCA" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCA" />
    <attribute name="actris_temporal_resolution" value="P4D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_magnesium" shape="qc_magnesium_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="meta_magnesium" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_manganese" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_manganese_in_pm2p5_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="qc_manganese meta_manganese" />
    <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="2022-06-09T09:26:50.207000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="ES1778R" />
    <attribute name="ebas_platform_code" value="ES1778S" />
    <attribute name="ebas_station_name" value="Montseny" />
    <attribute name="ebas_station_latitude" type="double" value="41.766667" />
    <attribute name="ebas_station_longitude" type="double" value="2.35" />
    <attribute name="ebas_station_altitude" value="700.0 m" />
    <attribute name="ebas_measurement_altitude" value="722.0 m" />
    <attribute name="ebas_measurement_height" value="2.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="manganese" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="pm25" />
    <attribute name="ebas_laboratory_code" value="ES05L" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="MCV_pm25_MSY" />
    <attribute name="ebas_instrument_manufacturer" value="MCV" />
    <attribute name="ebas_instrument_model" value="CAV-A/MSb" />
    <attribute name="ebas_analytical_laboratory_code" value="ES05L" />
    <attribute name="ebas_analytical_measurement_technique" value="ICP-AES" />
    <attribute name="ebas_analytical_instrument_name" value="ICPAES" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Jarell Ash (Thermo)" />
    <attribute name="ebas_analytical_instrument_model" value="Iris Advantage" />
    <attribute name="ebas_method_ref" value="ES05L_ICPAES" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="MCV Head PM2.5 High Volume Sampler PM1025/UNE" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter and sampling head at ambient conditions" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit" value="0.01 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined as the blank signal plus 3 times the standard deviation of blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Data under detection limits replaced by the detection limit value, flagged with 781" />
    <attribute name="ebas_organization" value="ES05L, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, , Jordi Girona 18-26, , 08034, Barcelona, Spain" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="&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.&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;The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.&quot;" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Perez, Noemi, , , , , , , , , &quot;, &quot;Alastuey, Andres, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Perez, Noemi, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCA. Request acknowledgement details from data originator" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlemanganesemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle manganese mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM2.5" />
    <attribute name="actris_matrix_preferred_term" value="PM2.5" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/highvolumefiltersampler" />
    <attribute name="actris_instrument_type_preferred_term" value="high volume filter sampler" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCA" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCA" />
    <attribute name="actris_temporal_resolution" value="P4D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_manganese" shape="qc_manganese_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="meta_manganese" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_nickel" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_nickel_in_pm2p5_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="qc_nickel meta_nickel" />
    <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="2022-06-09T09:26:50.207000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="ES1778R" />
    <attribute name="ebas_platform_code" value="ES1778S" />
    <attribute name="ebas_station_name" value="Montseny" />
    <attribute name="ebas_station_latitude" type="double" value="41.766667" />
    <attribute name="ebas_station_longitude" type="double" value="2.35" />
    <attribute name="ebas_station_altitude" value="700.0 m" />
    <attribute name="ebas_measurement_altitude" value="722.0 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="pm25" />
    <attribute name="ebas_laboratory_code" value="ES05L" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="MCV_pm25_MSY" />
    <attribute name="ebas_instrument_manufacturer" value="MCV" />
    <attribute name="ebas_instrument_model" value="CAV-A/MSb" />
    <attribute name="ebas_analytical_laboratory_code" value="ES05L" />
    <attribute name="ebas_analytical_measurement_technique" value="ICP-MS" />
    <attribute name="ebas_analytical_instrument_name" value="ICPMS" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Thermo" />
    <attribute name="ebas_analytical_instrument_model" value="X Series II" />
    <attribute name="ebas_method_ref" value="ES05L_ICPMS" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="MCV Head PM2.5 High Volume Sampler PM1025/UNE" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter and sampling head at ambient conditions" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit" value="0.03 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined as the blank signal plus 3 times the standard deviation of blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Data under detection limits replaced by the detection limit value, flagged with 781" />
    <attribute name="ebas_organization" value="ES05L, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, , Jordi Girona 18-26, , 08034, Barcelona, Spain" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="&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.&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;The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.&quot;" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Perez, Noemi, , , , , , , , , &quot;, &quot;Alastuey, Andres, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Perez, Noemi, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCA. Request acknowledgement details from data originator" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlenickelmassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle nickel mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM2.5" />
    <attribute name="actris_matrix_preferred_term" value="PM2.5" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/highvolumefiltersampler" />
    <attribute name="actris_instrument_type_preferred_term" value="high volume filter sampler" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCA" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCA" />
    <attribute name="actris_temporal_resolution" value="P4D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_nickel" shape="qc_nickel_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="meta_nickel" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_nitrate_ug_N_per_m3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_nitrate_expressed_as_nitrogen_in_pm2p5_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="qc_nitrate_ug_N_per_m3 meta_nitrate_ug_N_per_m3" />
    <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="2022-06-09T09:26:50.207000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="ES1778R" />
    <attribute name="ebas_platform_code" value="ES1778S" />
    <attribute name="ebas_station_name" value="Montseny" />
    <attribute name="ebas_station_latitude" type="double" value="41.766667" />
    <attribute name="ebas_station_longitude" type="double" value="2.35" />
    <attribute name="ebas_station_altitude" value="700.0 m" />
    <attribute name="ebas_measurement_altitude" value="722.0 m" />
    <attribute name="ebas_measurement_height" value="2.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="nitrate" />
    <attribute name="ebas_unit" value="ug N/m3" />
    <attribute name="ebas_matrix" value="pm25" />
    <attribute name="ebas_laboratory_code" value="ES05L" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="MCV_pm25_MSY" />
    <attribute name="ebas_instrument_manufacturer" value="MCV" />
    <attribute name="ebas_instrument_model" value="CAV-A/MSb" />
    <attribute name="ebas_analytical_laboratory_code" value="ES05L" />
    <attribute name="ebas_analytical_measurement_technique" value="IC" />
    <attribute name="ebas_analytical_instrument_name" value="IC" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Waters" />
    <attribute name="ebas_analytical_instrument_model" value="IC system" />
    <attribute name="ebas_method_ref" value="ES05L_IC" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="MCV Head PM2.5 High Volume Sampler PM1025/UNE" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_sample_preparation" value="Water extraction after ultrasonic treatment" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter and sampling head at ambient conditions" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit" value="0.01 ug N/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined as the blank signal plus 3 times the standard deviation of blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Data under detection limits replaced by the detection limit value, flagged with 781" />
    <attribute name="ebas_organization" value="ES05L, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, , Jordi Girona 18-26, , 08034, Barcelona, Spain" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="&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.&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;The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.&quot;" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Perez, Noemi, , , , , , , , , &quot;, &quot;Alastuey, Andres, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Perez, Noemi, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCA. Request acknowledgement details from data originator" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlenitratemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle nitrate mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM2.5" />
    <attribute name="actris_matrix_preferred_term" value="PM2.5" />
    <attribute name="actris_constraints_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/expressedasnitrogen" />
    <attribute name="actris_constraints_preferred_term" value="expressed as nitrogen" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/highvolumefiltersampler" />
    <attribute name="actris_instrument_type_preferred_term" value="high volume filter sampler" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCA" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCA" />
    <attribute name="actris_temporal_resolution" value="P4D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_nitrate_ug_N_per_m3" shape="qc_nitrate_ug_N_per_m3_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="meta_nitrate_ug_N_per_m3" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_nitrate_ug_per_m3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_nitrate_in_pm2p5_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="qc_nitrate_ug_per_m3 meta_nitrate_ug_per_m3" />
    <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="2022-06-09T09:26:50.207000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="ES1778R" />
    <attribute name="ebas_platform_code" value="ES1778S" />
    <attribute name="ebas_station_name" value="Montseny" />
    <attribute name="ebas_station_latitude" type="double" value="41.766667" />
    <attribute name="ebas_station_longitude" type="double" value="2.35" />
    <attribute name="ebas_station_altitude" value="700.0 m" />
    <attribute name="ebas_measurement_altitude" value="722.0 m" />
    <attribute name="ebas_measurement_height" value="2.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="nitrate" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="pm25" />
    <attribute name="ebas_laboratory_code" value="ES05L" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="MCV_pm25_MSY" />
    <attribute name="ebas_instrument_manufacturer" value="MCV" />
    <attribute name="ebas_instrument_model" value="CAV-A/MSb" />
    <attribute name="ebas_analytical_laboratory_code" value="ES05L" />
    <attribute name="ebas_analytical_measurement_technique" value="IC" />
    <attribute name="ebas_analytical_instrument_name" value="IC" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Waters" />
    <attribute name="ebas_analytical_instrument_model" value="IC system" />
    <attribute name="ebas_method_ref" value="ES05L_IC" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="MCV Head PM2.5 High Volume Sampler PM1025/UNE" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_sample_preparation" value="Water extraction after ultrasonic treatment" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter and sampling head at ambient conditions" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit" value="0.0 ug/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined as the blank signal plus 3 times the standard deviation of blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Data under detection limits replaced by the detection limit value, flagged with 781" />
    <attribute name="ebas_organization" value="ES05L, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, , Jordi Girona 18-26, , 08034, Barcelona, Spain" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="&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.&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;The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.&quot;" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Perez, Noemi, , , , , , , , , &quot;, &quot;Alastuey, Andres, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Perez, Noemi, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCA. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Data converted on export from EBAS from 'ug N/m3' to 'ug/m3', conversion factor 4.427. Detection limit converted from '0.01 ug N/m3' to '0.0 ug/m3', conversion factor 4.427." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlenitratemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle nitrate mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM2.5" />
    <attribute name="actris_matrix_preferred_term" value="PM2.5" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/highvolumefiltersampler" />
    <attribute name="actris_instrument_type_preferred_term" value="high volume filter sampler" />
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    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCA" />
    <attribute name="actris_temporal_resolution" value="P4D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
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  <variable name="qc_nitrate_ug_per_m3" shape="qc_nitrate_ug_per_m3_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="meta_nitrate_ug_per_m3" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_phosphorus" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_phosphorus_in_pm2p5_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="qc_phosphorus meta_phosphorus" />
    <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="2022-06-09T09:26:50.207000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="ES1778R" />
    <attribute name="ebas_platform_code" value="ES1778S" />
    <attribute name="ebas_station_name" value="Montseny" />
    <attribute name="ebas_station_latitude" type="double" value="41.766667" />
    <attribute name="ebas_station_longitude" type="double" value="2.35" />
    <attribute name="ebas_station_altitude" value="700.0 m" />
    <attribute name="ebas_measurement_altitude" value="722.0 m" />
    <attribute name="ebas_measurement_height" value="2.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="phosphorus" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="pm25" />
    <attribute name="ebas_laboratory_code" value="ES05L" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="MCV_pm25_MSY" />
    <attribute name="ebas_instrument_manufacturer" value="MCV" />
    <attribute name="ebas_instrument_model" value="CAV-A/MSb" />
    <attribute name="ebas_analytical_laboratory_code" value="ES05L" />
    <attribute name="ebas_analytical_measurement_technique" value="ICP-AES" />
    <attribute name="ebas_analytical_instrument_name" value="ICPAES" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Jarell Ash (Thermo)" />
    <attribute name="ebas_analytical_instrument_model" value="Iris Advantage" />
    <attribute name="ebas_method_ref" value="ES05L_ICPAES" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="MCV Head PM2.5 High Volume Sampler PM1025/UNE" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter and sampling head at ambient conditions" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit" value="0.01 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined as the blank signal plus 3 times the standard deviation of blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Data under detection limits replaced by the detection limit value, flagged with 781" />
    <attribute name="ebas_organization" value="ES05L, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, , Jordi Girona 18-26, , 08034, Barcelona, Spain" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="&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.&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;The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.&quot;" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Perez, Noemi, , , , , , , , , &quot;, &quot;Alastuey, Andres, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Perez, Noemi, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCA. Request acknowledgement details from data originator" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlephosphorusmassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle phosphorus mass concentration" />
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    <attribute name="actris_matrix_preferred_term" value="PM2.5" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/highvolumefiltersampler" />
    <attribute name="actris_instrument_type_preferred_term" value="high volume filter sampler" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCA" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCA" />
    <attribute name="actris_temporal_resolution" value="P4D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
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  <variable name="qc_phosphorus" shape="qc_phosphorus_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="meta_phosphorus" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_potassium" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_potassium_in_pm2p5_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="qc_potassium meta_potassium" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2022-06-09T09:26:50.207000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="ES1778R" />
    <attribute name="ebas_platform_code" value="ES1778S" />
    <attribute name="ebas_station_name" value="Montseny" />
    <attribute name="ebas_station_latitude" type="double" value="41.766667" />
    <attribute name="ebas_station_longitude" type="double" value="2.35" />
    <attribute name="ebas_station_altitude" value="700.0 m" />
    <attribute name="ebas_measurement_altitude" value="722.0 m" />
    <attribute name="ebas_measurement_height" value="2.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="potassium" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="pm25" />
    <attribute name="ebas_laboratory_code" value="ES05L" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="MCV_pm25_MSY" />
    <attribute name="ebas_instrument_manufacturer" value="MCV" />
    <attribute name="ebas_instrument_model" value="CAV-A/MSb" />
    <attribute name="ebas_analytical_laboratory_code" value="ES05L" />
    <attribute name="ebas_analytical_measurement_technique" value="ICP-AES" />
    <attribute name="ebas_analytical_instrument_name" value="ICPAES" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Jarell Ash (Thermo)" />
    <attribute name="ebas_analytical_instrument_model" value="Iris Advantage" />
    <attribute name="ebas_method_ref" value="ES05L_ICPAES" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="MCV Head PM2.5 High Volume Sampler PM1025/UNE" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter and sampling head at ambient conditions" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit" value="0.02 ug/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined as the blank signal plus 3 times the standard deviation of blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Data under detection limits replaced by the detection limit value, flagged with 781" />
    <attribute name="ebas_organization" value="ES05L, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, , Jordi Girona 18-26, , 08034, Barcelona, Spain" />
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    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="&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.&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;The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.&quot;" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Perez, Noemi, , , , , , , , , &quot;, &quot;Alastuey, Andres, , , , , , , , , &quot;" />
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    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCA. Request acknowledgement details from data originator" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlepotassiummassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle potassium mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM2.5" />
    <attribute name="actris_matrix_preferred_term" value="PM2.5" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/highvolumefiltersampler" />
    <attribute name="actris_instrument_type_preferred_term" value="high volume filter sampler" />
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    <attribute name="actris_temporal_resolution" value="P4D" />
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  <variable name="qc_potassium" shape="qc_potassium_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="meta_potassium" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_rubidium" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_rubidium_in_pm2p5_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="qc_rubidium meta_rubidium" />
    <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="2022-06-09T09:26:50.207000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="ES1778R" />
    <attribute name="ebas_platform_code" value="ES1778S" />
    <attribute name="ebas_station_name" value="Montseny" />
    <attribute name="ebas_station_latitude" type="double" value="41.766667" />
    <attribute name="ebas_station_longitude" type="double" value="2.35" />
    <attribute name="ebas_station_altitude" value="700.0 m" />
    <attribute name="ebas_measurement_altitude" value="722.0 m" />
    <attribute name="ebas_measurement_height" value="2.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="rubidium" />
    <attribute name="ebas_unit" value="ng/m3" />
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    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="MCV_pm25_MSY" />
    <attribute name="ebas_instrument_manufacturer" value="MCV" />
    <attribute name="ebas_instrument_model" value="CAV-A/MSb" />
    <attribute name="ebas_analytical_laboratory_code" value="ES05L" />
    <attribute name="ebas_analytical_measurement_technique" value="ICP-MS" />
    <attribute name="ebas_analytical_instrument_name" value="ICPMS" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Thermo" />
    <attribute name="ebas_analytical_instrument_model" value="X Series II" />
    <attribute name="ebas_method_ref" value="ES05L_ICPMS" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="MCV Head PM2.5 High Volume Sampler PM1025/UNE" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter and sampling head at ambient conditions" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit" value="0.03 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined as the blank signal plus 3 times the standard deviation of blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Data under detection limits replaced by the detection limit value, flagged with 781" />
    <attribute name="ebas_organization" value="ES05L, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, , Jordi Girona 18-26, , 08034, Barcelona, Spain" />
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    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="&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.&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;The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.&quot;" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Perez, Noemi, , , , , , , , , &quot;, &quot;Alastuey, Andres, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Perez, Noemi, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCA. Request acknowledgement details from data originator" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlerubidiummassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle rubidium mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM2.5" />
    <attribute name="actris_matrix_preferred_term" value="PM2.5" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/highvolumefiltersampler" />
    <attribute name="actris_instrument_type_preferred_term" value="high volume filter sampler" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCA" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCA" />
    <attribute name="actris_temporal_resolution" value="P4D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_rubidium" shape="qc_rubidium_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="meta_rubidium" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_selenium" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_selenium_in_pm2p5_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="qc_selenium meta_selenium" />
    <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="2022-06-09T09:26:50.207000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="ES1778R" />
    <attribute name="ebas_platform_code" value="ES1778S" />
    <attribute name="ebas_station_name" value="Montseny" />
    <attribute name="ebas_station_latitude" type="double" value="41.766667" />
    <attribute name="ebas_station_longitude" type="double" value="2.35" />
    <attribute name="ebas_station_altitude" value="700.0 m" />
    <attribute name="ebas_measurement_altitude" value="722.0 m" />
    <attribute name="ebas_measurement_height" value="2.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="selenium" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="pm25" />
    <attribute name="ebas_laboratory_code" value="ES05L" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="MCV_pm25_MSY" />
    <attribute name="ebas_instrument_manufacturer" value="MCV" />
    <attribute name="ebas_instrument_model" value="CAV-A/MSb" />
    <attribute name="ebas_analytical_laboratory_code" value="ES05L" />
    <attribute name="ebas_analytical_measurement_technique" value="ICP-MS" />
    <attribute name="ebas_analytical_instrument_name" value="ICPMS" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Thermo" />
    <attribute name="ebas_analytical_instrument_model" value="X Series II" />
    <attribute name="ebas_method_ref" value="ES05L_ICPMS" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="MCV Head PM2.5 High Volume Sampler PM1025/UNE" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter and sampling head at ambient conditions" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit" value="0.03 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined as the blank signal plus 3 times the standard deviation of blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Data under detection limits replaced by the detection limit value, flagged with 781" />
    <attribute name="ebas_organization" value="ES05L, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, , Jordi Girona 18-26, , 08034, Barcelona, Spain" />
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    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="&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.&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;The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.&quot;" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Perez, Noemi, , , , , , , , , &quot;, &quot;Alastuey, Andres, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Perez, Noemi, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCA. Request acknowledgement details from data originator" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticleseleniummassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle selenium mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM2.5" />
    <attribute name="actris_matrix_preferred_term" value="PM2.5" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/highvolumefiltersampler" />
    <attribute name="actris_instrument_type_preferred_term" value="high volume filter sampler" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCA" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCA" />
    <attribute name="actris_temporal_resolution" value="P4D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_selenium" shape="qc_selenium_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="meta_selenium" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_sodium" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_sodium_in_pm2p5_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="qc_sodium meta_sodium" />
    <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="2022-06-09T09:26:50.207000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="ES1778R" />
    <attribute name="ebas_platform_code" value="ES1778S" />
    <attribute name="ebas_station_name" value="Montseny" />
    <attribute name="ebas_station_latitude" type="double" value="41.766667" />
    <attribute name="ebas_station_longitude" type="double" value="2.35" />
    <attribute name="ebas_station_altitude" value="700.0 m" />
    <attribute name="ebas_measurement_altitude" value="722.0 m" />
    <attribute name="ebas_measurement_height" value="2.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sodium" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="pm25" />
    <attribute name="ebas_laboratory_code" value="ES05L" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="MCV_pm25_MSY" />
    <attribute name="ebas_instrument_manufacturer" value="MCV" />
    <attribute name="ebas_instrument_model" value="CAV-A/MSb" />
    <attribute name="ebas_analytical_laboratory_code" value="ES05L" />
    <attribute name="ebas_analytical_measurement_technique" value="ICP-AES" />
    <attribute name="ebas_analytical_instrument_name" value="ICPAES" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Jarell Ash (Thermo)" />
    <attribute name="ebas_analytical_instrument_model" value="Iris Advantage" />
    <attribute name="ebas_method_ref" value="ES05L_ICPAES" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="MCV Head PM2.5 High Volume Sampler PM1025/UNE" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter and sampling head at ambient conditions" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit" value="0.01 ug/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined as the blank signal plus 3 times the standard deviation of blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Data under detection limits replaced by the detection limit value, flagged with 781" />
    <attribute name="ebas_organization" value="ES05L, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, , Jordi Girona 18-26, , 08034, Barcelona, Spain" />
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    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="&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.&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;The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.&quot;" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
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    <attribute name="ebas_originator" value="&quot;Perez, Noemi, , , , , , , , , &quot;, &quot;Alastuey, Andres, , , , , , , , , &quot;" />
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    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlesodiummassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle sodium mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM2.5" />
    <attribute name="actris_matrix_preferred_term" value="PM2.5" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
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    <attribute name="actris_instrument_type_preferred_term" value="high volume filter sampler" />
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  <variable name="qc_sodium" shape="qc_sodium_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="meta_sodium" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_strontium" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_strontium_in_pm2p5_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="qc_strontium meta_strontium" />
    <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="2022-06-09T09:26:50.207000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="ES1778R" />
    <attribute name="ebas_platform_code" value="ES1778S" />
    <attribute name="ebas_station_name" value="Montseny" />
    <attribute name="ebas_station_latitude" type="double" value="41.766667" />
    <attribute name="ebas_station_longitude" type="double" value="2.35" />
    <attribute name="ebas_station_altitude" value="700.0 m" />
    <attribute name="ebas_measurement_altitude" value="722.0 m" />
    <attribute name="ebas_measurement_height" value="2.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="strontium" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="pm25" />
    <attribute name="ebas_laboratory_code" value="ES05L" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="MCV_pm25_MSY" />
    <attribute name="ebas_instrument_manufacturer" value="MCV" />
    <attribute name="ebas_instrument_model" value="CAV-A/MSb" />
    <attribute name="ebas_analytical_laboratory_code" value="ES05L" />
    <attribute name="ebas_analytical_measurement_technique" value="ICP-MS" />
    <attribute name="ebas_analytical_instrument_name" value="ICPMS" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Thermo" />
    <attribute name="ebas_analytical_instrument_model" value="X Series II" />
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    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="MCV Head PM2.5 High Volume Sampler PM1025/UNE" />
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    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter and sampling head at ambient conditions" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit" value="0.03 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined as the blank signal plus 3 times the standard deviation of blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Data under detection limits replaced by the detection limit value, flagged with 781" />
    <attribute name="ebas_organization" value="ES05L, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, , Jordi Girona 18-26, , 08034, Barcelona, Spain" />
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    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="&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.&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;The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.&quot;" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Perez, Noemi, , , , , , , , , &quot;, &quot;Alastuey, Andres, , , , , , , , , &quot;" />
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    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlestrontiummassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle strontium mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM2.5" />
    <attribute name="actris_matrix_preferred_term" value="PM2.5" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/highvolumefiltersampler" />
    <attribute name="actris_instrument_type_preferred_term" value="high volume filter sampler" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCA" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCA" />
    <attribute name="actris_temporal_resolution" value="P4D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_strontium" shape="qc_strontium_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="meta_strontium" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_sulphate_total_ug_S_per_m3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_sulphate_expressed_as_sulphur_in_pm2p5_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="qc_sulphate_total_ug_S_per_m3 meta_sulphate_total_ug_S_per_m3" />
    <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="2022-06-09T09:26:50.207000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="ES1778R" />
    <attribute name="ebas_platform_code" value="ES1778S" />
    <attribute name="ebas_station_name" value="Montseny" />
    <attribute name="ebas_station_latitude" type="double" value="41.766667" />
    <attribute name="ebas_station_longitude" type="double" value="2.35" />
    <attribute name="ebas_station_altitude" value="700.0 m" />
    <attribute name="ebas_measurement_altitude" value="722.0 m" />
    <attribute name="ebas_measurement_height" value="2.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sulphate_total" />
    <attribute name="ebas_unit" value="ug S/m3" />
    <attribute name="ebas_matrix" value="pm25" />
    <attribute name="ebas_laboratory_code" value="ES05L" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="MCV_pm25_MSY" />
    <attribute name="ebas_instrument_manufacturer" value="MCV" />
    <attribute name="ebas_instrument_model" value="CAV-A/MSb" />
    <attribute name="ebas_analytical_laboratory_code" value="ES05L" />
    <attribute name="ebas_analytical_measurement_technique" value="ICP-AES" />
    <attribute name="ebas_analytical_instrument_name" value="ICPAES" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Jarell Ash (Thermo)" />
    <attribute name="ebas_analytical_instrument_model" value="Iris Advantage" />
    <attribute name="ebas_method_ref" value="ES05L_ICPAES" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="MCV Head PM2.5 High Volume Sampler PM1025/UNE" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter and sampling head at ambient conditions" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit" value="0.004 ug S/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined as the blank signal plus 3 times the standard deviation of blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Data under detection limits replaced by the detection limit value, flagged with 781" />
    <attribute name="ebas_organization" value="ES05L, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, , Jordi Girona 18-26, , 08034, Barcelona, Spain" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="&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.&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;The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.&quot;" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Perez, Noemi, , , , , , , , , &quot;, &quot;Alastuey, Andres, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Perez, Noemi, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCA. Request acknowledgement details from data originator" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlesulphatemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle sulphate mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM2.5" />
    <attribute name="actris_matrix_preferred_term" value="PM2.5" />
    <attribute name="actris_constraints_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/expressedassulfur" />
    <attribute name="actris_constraints_preferred_term" value="expressed as sulfur" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/highvolumefiltersampler" />
    <attribute name="actris_instrument_type_preferred_term" value="high volume filter sampler" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCA" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCA" />
    <attribute name="actris_temporal_resolution" value="P4D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_sulphate_total_ug_S_per_m3" shape="qc_sulphate_total_ug_S_per_m3_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="meta_sulphate_total_ug_S_per_m3" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_sulphate_total_ug_per_m3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_sulphate_in_pm2p5_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="qc_sulphate_total_ug_per_m3 meta_sulphate_total_ug_per_m3" />
    <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="2022-06-09T09:26:50.207000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="ES1778R" />
    <attribute name="ebas_platform_code" value="ES1778S" />
    <attribute name="ebas_station_name" value="Montseny" />
    <attribute name="ebas_station_latitude" type="double" value="41.766667" />
    <attribute name="ebas_station_longitude" type="double" value="2.35" />
    <attribute name="ebas_station_altitude" value="700.0 m" />
    <attribute name="ebas_measurement_altitude" value="722.0 m" />
    <attribute name="ebas_measurement_height" value="2.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sulphate_total" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="pm25" />
    <attribute name="ebas_laboratory_code" value="ES05L" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="MCV_pm25_MSY" />
    <attribute name="ebas_instrument_manufacturer" value="MCV" />
    <attribute name="ebas_instrument_model" value="CAV-A/MSb" />
    <attribute name="ebas_analytical_laboratory_code" value="ES05L" />
    <attribute name="ebas_analytical_measurement_technique" value="ICP-AES" />
    <attribute name="ebas_analytical_instrument_name" value="ICPAES" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Jarell Ash (Thermo)" />
    <attribute name="ebas_analytical_instrument_model" value="Iris Advantage" />
    <attribute name="ebas_method_ref" value="ES05L_ICPAES" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="MCV Head PM2.5 High Volume Sampler PM1025/UNE" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter and sampling head at ambient conditions" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit" value="0.0 ug/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined as the blank signal plus 3 times the standard deviation of blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Data under detection limits replaced by the detection limit value, flagged with 781" />
    <attribute name="ebas_organization" value="ES05L, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, , Jordi Girona 18-26, , 08034, Barcelona, Spain" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="&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.&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;The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.&quot;" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Perez, Noemi, , , , , , , , , &quot;, &quot;Alastuey, Andres, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Perez, Noemi, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCA. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Data converted on export from EBAS from 'ug S/m3' to 'ug/m3', conversion factor 2.996. Detection limit converted from '0.004 ug S/m3' to '0.0 ug/m3', conversion factor 2.996." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlesulphatemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle sulphate mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM2.5" />
    <attribute name="actris_matrix_preferred_term" value="PM2.5" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/highvolumefiltersampler" />
    <attribute name="actris_instrument_type_preferred_term" value="high volume filter sampler" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCA" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCA" />
    <attribute name="actris_temporal_resolution" value="P4D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_sulphate_total_ug_per_m3" shape="qc_sulphate_total_ug_per_m3_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="meta_sulphate_total_ug_per_m3" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_thallium" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_thallium_in_pm2p5_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="qc_thallium meta_thallium" />
    <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="2022-06-09T09:26:50.207000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="ES1778R" />
    <attribute name="ebas_platform_code" value="ES1778S" />
    <attribute name="ebas_station_name" value="Montseny" />
    <attribute name="ebas_station_latitude" type="double" value="41.766667" />
    <attribute name="ebas_station_longitude" type="double" value="2.35" />
    <attribute name="ebas_station_altitude" value="700.0 m" />
    <attribute name="ebas_measurement_altitude" value="722.0 m" />
    <attribute name="ebas_measurement_height" value="2.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="thallium" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="pm25" />
    <attribute name="ebas_laboratory_code" value="ES05L" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="MCV_pm25_MSY" />
    <attribute name="ebas_instrument_manufacturer" value="MCV" />
    <attribute name="ebas_instrument_model" value="CAV-A/MSb" />
    <attribute name="ebas_analytical_laboratory_code" value="ES05L" />
    <attribute name="ebas_analytical_measurement_technique" value="ICP-MS" />
    <attribute name="ebas_analytical_instrument_name" value="ICPMS" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Thermo" />
    <attribute name="ebas_analytical_instrument_model" value="X Series II" />
    <attribute name="ebas_method_ref" value="ES05L_ICPMS" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="MCV Head PM2.5 High Volume Sampler PM1025/UNE" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter and sampling head at ambient conditions" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit" value="0.03 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined as the blank signal plus 3 times the standard deviation of blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Data under detection limits replaced by the detection limit value, flagged with 781" />
    <attribute name="ebas_organization" value="ES05L, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, , Jordi Girona 18-26, , 08034, Barcelona, Spain" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="&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.&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;The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.&quot;" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Perez, Noemi, , , , , , , , , &quot;, &quot;Alastuey, Andres, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Perez, Noemi, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCA. Request acknowledgement details from data originator" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlethalliummassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle thallium mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM2.5" />
    <attribute name="actris_matrix_preferred_term" value="PM2.5" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/highvolumefiltersampler" />
    <attribute name="actris_instrument_type_preferred_term" value="high volume filter sampler" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCA" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCA" />
    <attribute name="actris_temporal_resolution" value="P4D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_thallium" shape="qc_thallium_flags time" type="int">
    <attribute name="units" value="1" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
  </variable>
  <variable name="meta_thallium" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_thorium" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_thorium_in_pm2p5_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="qc_thorium meta_thorium" />
    <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="2022-06-09T09:26:50.207000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="ES1778R" />
    <attribute name="ebas_platform_code" value="ES1778S" />
    <attribute name="ebas_station_name" value="Montseny" />
    <attribute name="ebas_station_latitude" type="double" value="41.766667" />
    <attribute name="ebas_station_longitude" type="double" value="2.35" />
    <attribute name="ebas_station_altitude" value="700.0 m" />
    <attribute name="ebas_measurement_altitude" value="722.0 m" />
    <attribute name="ebas_measurement_height" value="2.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="thorium" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="pm25" />
    <attribute name="ebas_laboratory_code" value="ES05L" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="MCV_pm25_MSY" />
    <attribute name="ebas_instrument_manufacturer" value="MCV" />
    <attribute name="ebas_instrument_model" value="CAV-A/MSb" />
    <attribute name="ebas_analytical_laboratory_code" value="ES05L" />
    <attribute name="ebas_analytical_measurement_technique" value="ICP-MS" />
    <attribute name="ebas_analytical_instrument_name" value="ICPMS" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Thermo" />
    <attribute name="ebas_analytical_instrument_model" value="X Series II" />
    <attribute name="ebas_method_ref" value="ES05L_ICPMS" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="MCV Head PM2.5 High Volume Sampler PM1025/UNE" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter and sampling head at ambient conditions" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit" value="0.03 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined as the blank signal plus 3 times the standard deviation of blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Data under detection limits replaced by the detection limit value, flagged with 781" />
    <attribute name="ebas_organization" value="ES05L, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, , Jordi Girona 18-26, , 08034, Barcelona, Spain" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Aerosols" />
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    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
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    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlethoriummassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle thorium mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM2.5" />
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  <variable name="qc_thorium" shape="qc_thorium_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
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    <attribute name="units" value="1" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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  <variable name="v_tin" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_tin_in_pm2p5_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="qc_tin meta_tin" />
    <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="2022-06-09T09:26:50.207000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="ES1778R" />
    <attribute name="ebas_platform_code" value="ES1778S" />
    <attribute name="ebas_station_name" value="Montseny" />
    <attribute name="ebas_station_latitude" type="double" value="41.766667" />
    <attribute name="ebas_station_longitude" type="double" value="2.35" />
    <attribute name="ebas_station_altitude" value="700.0 m" />
    <attribute name="ebas_measurement_altitude" value="722.0 m" />
    <attribute name="ebas_measurement_height" value="2.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="tin" />
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    <attribute name="ebas_instrument_name" value="MCV_pm25_MSY" />
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    <attribute name="ebas_analytical_laboratory_code" value="ES05L" />
    <attribute name="ebas_analytical_measurement_technique" value="ICP-MS" />
    <attribute name="ebas_analytical_instrument_name" value="ICPMS" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Thermo" />
    <attribute name="ebas_analytical_instrument_model" value="X Series II" />
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    <attribute name="ebas_inlet_description" value="MCV Head PM2.5 High Volume Sampler PM1025/UNE" />
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    <attribute name="ebas_blank_correction" value="Blank corrected" />
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    <attribute name="ebas_volume_std_pressure" value="ambient" />
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    <attribute name="ebas_detection_limit_expl" value="Determined as the blank signal plus 3 times the standard deviation of blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Data under detection limits replaced by the detection limit value, flagged with 781" />
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    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
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    <attribute name="ebas_originator" value="&quot;Perez, Noemi, , , , , , , , , &quot;, &quot;Alastuey, Andres, , , , , , , , , &quot;" />
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    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticletinmassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle tin mass concentration" />
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    <attribute name="actris_instrument_type_preferred_term" value="high volume filter sampler" />
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    <attribute name="actris_temporal_resolution" value="P4D" />
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  <variable name="qc_tin" shape="qc_tin_flags time" type="int">
    <attribute name="units" value="1" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
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  <variable name="meta_tin" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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  <variable name="v_titanium" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_titanium_in_pm2p5_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="qc_titanium meta_titanium" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2022-06-09T09:26:50.207000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="ES1778R" />
    <attribute name="ebas_platform_code" value="ES1778S" />
    <attribute name="ebas_station_name" value="Montseny" />
    <attribute name="ebas_station_latitude" type="double" value="41.766667" />
    <attribute name="ebas_station_longitude" type="double" value="2.35" />
    <attribute name="ebas_station_altitude" value="700.0 m" />
    <attribute name="ebas_measurement_altitude" value="722.0 m" />
    <attribute name="ebas_measurement_height" value="2.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="titanium" />
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    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="MCV_pm25_MSY" />
    <attribute name="ebas_instrument_manufacturer" value="MCV" />
    <attribute name="ebas_instrument_model" value="CAV-A/MSb" />
    <attribute name="ebas_analytical_laboratory_code" value="ES05L" />
    <attribute name="ebas_analytical_measurement_technique" value="ICP-AES" />
    <attribute name="ebas_analytical_instrument_name" value="ICPAES" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Jarell Ash (Thermo)" />
    <attribute name="ebas_analytical_instrument_model" value="Iris Advantage" />
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    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="MCV Head PM2.5 High Volume Sampler PM1025/UNE" />
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    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
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    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
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    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticletitaniummassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle titanium mass concentration" />
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    <attribute name="missing_value" type="int" value="0" />
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    <attribute name="standard_name" value="status_flag" />
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  <variable name="meta_titanium" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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  <variable name="v_uranium" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_uranium_in_pm2p5_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
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    <attribute name="ancillary_variables" value="qc_uranium meta_uranium" />
    <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_version" value="1" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
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    <attribute name="ebas_station_latitude" type="double" value="41.766667" />
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    <attribute name="ebas_component" value="uranium" />
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    <attribute name="ebas_instrument_name" value="MCV_pm25_MSY" />
    <attribute name="ebas_instrument_manufacturer" value="MCV" />
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    <attribute name="ebas_analytical_laboratory_code" value="ES05L" />
    <attribute name="ebas_analytical_measurement_technique" value="ICP-MS" />
    <attribute name="ebas_analytical_instrument_name" value="ICPMS" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Thermo" />
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    <attribute name="ebas_originator" value="&quot;Perez, Noemi, , , , , , , , , &quot;, &quot;Alastuey, Andres, , , , , , , , , &quot;" />
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    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticleuraniummassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle uranium mass concentration" />
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    <attribute name="actris_matrix_preferred_term" value="PM2.5" />
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    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
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    <attribute name="actris_instrument_type_preferred_term" value="high volume filter sampler" />
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  <variable name="qc_uranium" shape="qc_uranium_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
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    <attribute name="units" value="1" />
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  <variable name="meta_uranium" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_vanadium" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_vanadium_in_pm2p5_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="qc_vanadium meta_vanadium" />
    <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="2022-06-09T09:26:50.207000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="ES1778R" />
    <attribute name="ebas_platform_code" value="ES1778S" />
    <attribute name="ebas_station_name" value="Montseny" />
    <attribute name="ebas_station_latitude" type="double" value="41.766667" />
    <attribute name="ebas_station_longitude" type="double" value="2.35" />
    <attribute name="ebas_station_altitude" value="700.0 m" />
    <attribute name="ebas_measurement_altitude" value="722.0 m" />
    <attribute name="ebas_measurement_height" value="2.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="vanadium" />
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    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="MCV_pm25_MSY" />
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    <attribute name="ebas_analytical_laboratory_code" value="ES05L" />
    <attribute name="ebas_analytical_measurement_technique" value="ICP-MS" />
    <attribute name="ebas_analytical_instrument_name" value="ICPMS" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Thermo" />
    <attribute name="ebas_analytical_instrument_model" value="X Series II" />
    <attribute name="ebas_method_ref" value="ES05L_ICPMS" />
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    <attribute name="ebas_inlet_description" value="MCV Head PM2.5 High Volume Sampler PM1025/UNE" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
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    <attribute name="ebas_blank_correction" value="Blank corrected" />
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    <attribute name="ebas_humidity_temperaure_control_description" value="filter and sampling head at ambient conditions" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit" value="0.03 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined as the blank signal plus 3 times the standard deviation of blanks" />
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    <attribute name="ebas_zero_negative_values" value="Data under detection limits replaced by the detection limit value, flagged with 781" />
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    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
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    <attribute name="ebas_originator" value="&quot;Perez, Noemi, , , , , , , , , &quot;, &quot;Alastuey, Andres, , , , , , , , , &quot;" />
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    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlevanadiummassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle vanadium mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM2.5" />
    <attribute name="actris_matrix_preferred_term" value="PM2.5" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
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    <attribute name="actris_instrument_type_preferred_term" value="high volume filter sampler" />
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  <variable name="qc_vanadium" shape="qc_vanadium_flags time" type="int">
    <attribute name="units" value="1" />
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    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
  </variable>
  <variable name="meta_vanadium" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_zinc" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_zinc_in_pm2p5_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="qc_zinc meta_zinc" />
    <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="2022-06-09T09:26:50.207000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="ES1778R" />
    <attribute name="ebas_platform_code" value="ES1778S" />
    <attribute name="ebas_station_name" value="Montseny" />
    <attribute name="ebas_station_latitude" type="double" value="41.766667" />
    <attribute name="ebas_station_longitude" type="double" value="2.35" />
    <attribute name="ebas_station_altitude" value="700.0 m" />
    <attribute name="ebas_measurement_altitude" value="722.0 m" />
    <attribute name="ebas_measurement_height" value="2.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="zinc" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="pm25" />
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    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="MCV_pm25_MSY" />
    <attribute name="ebas_instrument_manufacturer" value="MCV" />
    <attribute name="ebas_instrument_model" value="CAV-A/MSb" />
    <attribute name="ebas_analytical_laboratory_code" value="ES05L" />
    <attribute name="ebas_analytical_measurement_technique" value="ICP-MS" />
    <attribute name="ebas_analytical_instrument_name" value="ICPMS" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Thermo" />
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    <attribute name="ebas_blank_correction" value="Blank corrected" />
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    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
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    <attribute name="ebas_originator" value="&quot;Perez, Noemi, , , , , , , , , &quot;, &quot;Alastuey, Andres, , , , , , , , , &quot;" />
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    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlezincmassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle zinc mass concentration" />
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    <attribute name="actris_matrix_preferred_term" value="PM2.5" />
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  <variable name="qc_zinc" shape="qc_zinc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
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  <variable name="meta_zinc" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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  <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 1900-01-01T00:00:00Z" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="standard" />
    <attribute name="bounds" value="time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
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  <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 1900-01-01T00:00:00Z" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="standard" />
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    <attribute name="_CoordinateAxisType" value="Time" />
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