<?xml version="1.0" encoding="UTF-8"?>
<netcdf xmlns="http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2" location="Not provided because of security concerns.">
  <attribute name="Conventions" value="CF-1.8, ACDD-1.3" />
  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="POPs (persistent organic pollutants) at Amderma" />
  <attribute name="summary" value="POPs (persistent organic pollutants) at Amderma. These measurements are gathered as a part of the following projects AMAP and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: ['1-methylnaphthalene in aerosol', '2-methylnaphthalene in aerosol', 'BDE_100 in aerosol', 'BDE_153 in aerosol', 'BDE_154 in aerosol', 'BDE_183 in aerosol', 'BDE_47 in aerosol', 'BDE_99 in aerosol', 'HCB in aerosol (mass_concentration_of_hexachlorobenzene_in_dry_aerosol_particles_in_air)', 'PCB_101 in aerosol (mass_concentration_of_polychlorinated_biphenyl_101_in_dry_aerosol_particles_in_air)', 'PCB_105 in aerosol (mass_concentration_of_polychlorinated_biphenyl_105_in_dry_aerosol_particles_in_air)', 'PCB_110 in aerosol (mass_concentration_of_polychlorinated_biphenyl_110_in_dry_aerosol_particles_in_air)', 'PCB_118 in aerosol (mass_concentration_of_polychlorinated_biphenyl_118_in_dry_aerosol_particles_in_air)', 'PCB_138 in aerosol (mass_concentration_of_polychlorinated_biphenyl_138_in_dry_aerosol_particles_in_air)', 'PCB_149 in aerosol (mass_concentration_of_polychlorinated_biphenyl_149_in_dry_aerosol_particles_in_air)', 'PCB_153 in aerosol (mass_concentration_of_polychlorinated_biphenyl_153_in_dry_aerosol_particles_in_air)', 'PCB_156 in aerosol (mass_concentration_of_polychlorinated_biphenyl_156_in_dry_aerosol_particles_in_air)', 'PCB_158 in aerosol (mass_concentration_of_polychlorinated_biphenyl_158_in_dry_aerosol_particles_in_air)', 'PCB_170 in aerosol (mass_concentration_of_polychlorinated_biphenyl_170_in_dry_aerosol_particles_in_air)', 'PCB_177 in aerosol (mass_concentration_of_polychlorinated_biphenyl_177_in_dry_aerosol_particles_in_air)', 'PCB_180 in aerosol (mass_concentration_of_polychlorinated_biphenyl_180_in_dry_aerosol_particles_in_air)', 'PCB_183 in aerosol (mass_concentration_of_polychlorinated_biphenyl_183_in_dry_aerosol_particles_in_air)', 'PCB_187 in aerosol (mass_concentration_of_polychlorinated_biphenyl_187_in_dry_aerosol_particles_in_air)', 'PCB_28+31 in aerosol', 'PCB_49 in aerosol (mass_concentration_of_polychlorinated_biphenyl_49_in_dry_aerosol_particles_in_air)', 'PCB_52 in aerosol (mass_concentration_of_polychlorinated_biphenyl_52_in_dry_aerosol_particles_in_air)', 'PCB_70 in aerosol', 'PCB_74 in aerosol (mass_concentration_of_polychlorinated_biphenyl_74_in_dry_aerosol_particles_in_air)', 'PCB_87 in aerosol (mass_concentration_of_polychlorinated_biphenyl_87_in_dry_aerosol_particles_in_air)', 'PCB_95 in aerosol (mass_concentration_of_polychlorinated_biphenyl_95_in_dry_aerosol_particles_in_air)', 'PCB_99 in aerosol (mass_concentration_of_polychlorinated_biphenyl_99_in_dry_aerosol_particles_in_air)', 'acenaphthene in aerosol (mass_concentration_of_acenaphthene_in_dry_aerosol_particles_in_air)', 'acenaphthylene in aerosol (mass_concentration_of_acenaphthylene_in_dry_aerosol_particles_in_air)', 'alpha_HCH in aerosol (mass_concentration_of_alpha_hexachlorocyclohexane_in_dry_aerosol_particles_in_air)', 'anthracene in aerosol (mass_concentration_of_anthracene_in_dry_aerosol_particles_in_air)', 'benz_a_anthracene in aerosol (mass_concentration_of_benz_a_anthracene_in_dry_aerosol_particles_in_air)', 'benzo_a_pyrene in aerosol (mass_concentration_of_benzo_a_pyrene_in_dry_aerosol_particles_in_air)', 'benzo_e_pyrene in aerosol (mass_concentration_of_benzo_e_pyrene_in_dry_aerosol_particles_in_air)', 'benzo_ghi_perylene in aerosol (mass_concentration_of_benzo_ghi_perylene_in_dry_aerosol_particles_in_air)', 'beta_HCH in aerosol (mass_concentration_of_beta_hexachlorocyclohexane_in_dry_aerosol_particles_in_air)', 'chrysene in aerosol (mass_concentration_of_chrysene_in_dry_aerosol_particles_in_air)', 'cis_CD in aerosol (mass_concentration_of_cis_chlordane_in_dry_aerosol_particles_in_air)', 'cis_NO in aerosol (mass_concentration_of_cis_nonechlor_in_dry_aerosol_particles_in_air)', 'dibenzo_ah_anthracene in aerosol (mass_concentration_of_dibenzo_ah_anthracene_in_dry_aerosol_particles_in_air)', 'dibenzothiophene in aerosol (mass_concentration_of_dibenzothiophene_in_dry_aerosol_particles_in_air)', 'dieldrin in aerosol (mass_concentration_of_dieldrin_in_dry_aerosol_particles_in_air)', 'fluoranthene in aerosol (mass_concentration_of_fluoranthene_in_dry_aerosol_particles_in_air)', 'fluorene in aerosol (mass_concentration_of_fluorene_in_dry_aerosol_particles_in_air)', 'gamma_HCH in aerosol (mass_concentration_of_gamma_hexachlorocyclohexane_in_dry_aerosol_particles_in_air)', 'heptachlor in aerosol (mass_concentration_of_heptachlor_in_dry_aerosol_particles_in_air)', 'heptachlorepoxide in aerosol (mass_concentration_of_heptachlor_epoxide_in_dry_aerosol_particles_in_air)', 'indeno_123cd_perylene in aerosol (mass_concentration_of_indeno_123cd_perylene_in_dry_aerosol_particles_in_air)', 'naphthalene in aerosol (mass_concentration_of_naphthalene_in_dry_aerosol_particles_in_air)', 'octachlorostyrene in aerosol (mass_concentration_of_octachlorostyrene_in_dry_aerosol_particles_in_air)', 'op_DDD in aerosol (mass_concentration_of_op_dichlorodiphenyldichloroethane_in_dry_aerosol_particles_in_air)', 'op_DDE in aerosol (mass_concentration_of_op_dichlorodiphenyldichloroethylene_in_dry_aerosol_particles_in_air)', 'op_DDT in aerosol (mass_concentration_of_op_dichlorodiphenyltrichloroethane_in_dry_aerosol_particles_in_air)', 'perylene in aerosol (mass_concentration_of_perylene_in_dry_aerosol_particles_in_air)', 'phenanthrene in aerosol (mass_concentration_of_phenanthrene_in_dry_aerosol_particles_in_air)', 'pp_DDD in aerosol (mass_concentration_of_pp_dichlorodiphenyldichloroethane_in_dry_aerosol_particles_in_air)', 'pp_DDE in aerosol (mass_concentration_of_pp_dichlorodiphenyldichloroethylene_in_dry_aerosol_particles_in_air)', 'pp_DDT in aerosol (mass_concentration_of_pp_dichlorodiphenyltrichloroethane_in_dry_aerosol_particles_in_air)', 'pyrene in aerosol (mass_concentration_of_pyrene_in_dry_aerosol_particles_in_air)', 'retene in aerosol (mass_concentration_of_retene_in_dry_aerosol_particles_in_air)', 'trans_CD in aerosol (mass_concentration_of_trans_chlordane_in_dry_aerosol_particles_in_air)', 'trans_NO in aerosol (mass_concentration_of_trans_nonachlor_in_dry_aerosol_particles_in_air)']" />
  <attribute name="keywords" value="Amderma RU0002R 1-methylnaphthalene 2-methylnaphthalene BDE_100 BDE_153 BDE_154 BDE_183 BDE_47 BDE_99 HCB PCB_101 PCB_105 PCB_110 PCB_118 PCB_138 PCB_149 PCB_153 PCB_156 PCB_158 PCB_170 PCB_177 PCB_180 PCB_183 PCB_187 PCB_28+31 PCB_49 PCB_52 PCB_70 PCB_74 PCB_87 PCB_95 PCB_99 acenaphthene acenaphthylene alpha_HCH anthracene benz_a_anthracene benzo_a_pyrene benzo_e_pyrene benzo_ghi_perylene beta_HCH chrysene cis_CD cis_NO dibenzo_ah_anthracene dibenzothiophene dieldrin fluoranthene fluorene gamma_HCH heptachlor heptachlorepoxide indeno_123cd_perylene naphthalene octachlorostyrene op_DDD op_DDE op_DDT perylene phenanthrene pp_DDD pp_DDE pp_DDT pyrene retene trans_CD trans_NO aerosol AMAP mass_concentration_of_hexachlorobenzene_in_dry_aerosol_particles_in_air mass_concentration_of_polychlorinated_biphenyl_101_in_dry_aerosol_particles_in_air mass_concentration_of_polychlorinated_biphenyl_105_in_dry_aerosol_particles_in_air mass_concentration_of_polychlorinated_biphenyl_110_in_dry_aerosol_particles_in_air mass_concentration_of_polychlorinated_biphenyl_118_in_dry_aerosol_particles_in_air mass_concentration_of_polychlorinated_biphenyl_138_in_dry_aerosol_particles_in_air mass_concentration_of_polychlorinated_biphenyl_149_in_dry_aerosol_particles_in_air mass_concentration_of_polychlorinated_biphenyl_153_in_dry_aerosol_particles_in_air mass_concentration_of_polychlorinated_biphenyl_156_in_dry_aerosol_particles_in_air mass_concentration_of_polychlorinated_biphenyl_158_in_dry_aerosol_particles_in_air mass_concentration_of_polychlorinated_biphenyl_170_in_dry_aerosol_particles_in_air mass_concentration_of_polychlorinated_biphenyl_177_in_dry_aerosol_particles_in_air mass_concentration_of_polychlorinated_biphenyl_180_in_dry_aerosol_particles_in_air mass_concentration_of_polychlorinated_biphenyl_183_in_dry_aerosol_particles_in_air mass_concentration_of_polychlorinated_biphenyl_187_in_dry_aerosol_particles_in_air mass_concentration_of_polychlorinated_biphenyl_49_in_dry_aerosol_particles_in_air mass_concentration_of_polychlorinated_biphenyl_52_in_dry_aerosol_particles_in_air mass_concentration_of_polychlorinated_biphenyl_74_in_dry_aerosol_particles_in_air mass_concentration_of_polychlorinated_biphenyl_87_in_dry_aerosol_particles_in_air mass_concentration_of_polychlorinated_biphenyl_95_in_dry_aerosol_particles_in_air mass_concentration_of_polychlorinated_biphenyl_99_in_dry_aerosol_particles_in_air mass_concentration_of_acenaphthene_in_dry_aerosol_particles_in_air mass_concentration_of_acenaphthylene_in_dry_aerosol_particles_in_air mass_concentration_of_alpha_hexachlorocyclohexane_in_dry_aerosol_particles_in_air mass_concentration_of_anthracene_in_dry_aerosol_particles_in_air mass_concentration_of_benz_a_anthracene_in_dry_aerosol_particles_in_air mass_concentration_of_benzo_a_pyrene_in_dry_aerosol_particles_in_air mass_concentration_of_benzo_e_pyrene_in_dry_aerosol_particles_in_air mass_concentration_of_benzo_ghi_perylene_in_dry_aerosol_particles_in_air mass_concentration_of_beta_hexachlorocyclohexane_in_dry_aerosol_particles_in_air mass_concentration_of_chrysene_in_dry_aerosol_particles_in_air mass_concentration_of_cis_chlordane_in_dry_aerosol_particles_in_air mass_concentration_of_cis_nonechlor_in_dry_aerosol_particles_in_air mass_concentration_of_dibenzo_ah_anthracene_in_dry_aerosol_particles_in_air mass_concentration_of_dibenzothiophene_in_dry_aerosol_particles_in_air mass_concentration_of_dieldrin_in_dry_aerosol_particles_in_air mass_concentration_of_fluoranthene_in_dry_aerosol_particles_in_air mass_concentration_of_fluorene_in_dry_aerosol_particles_in_air mass_concentration_of_gamma_hexachlorocyclohexane_in_dry_aerosol_particles_in_air mass_concentration_of_heptachlor_in_dry_aerosol_particles_in_air mass_concentration_of_heptachlor_epoxide_in_dry_aerosol_particles_in_air mass_concentration_of_indeno_123cd_perylene_in_dry_aerosol_particles_in_air mass_concentration_of_naphthalene_in_dry_aerosol_particles_in_air mass_concentration_of_octachlorostyrene_in_dry_aerosol_particles_in_air mass_concentration_of_op_dichlorodiphenyldichloroethane_in_dry_aerosol_particles_in_air mass_concentration_of_op_dichlorodiphenyldichloroethylene_in_dry_aerosol_particles_in_air mass_concentration_of_op_dichlorodiphenyltrichloroethane_in_dry_aerosol_particles_in_air mass_concentration_of_perylene_in_dry_aerosol_particles_in_air mass_concentration_of_phenanthrene_in_dry_aerosol_particles_in_air mass_concentration_of_pp_dichlorodiphenyldichloroethane_in_dry_aerosol_particles_in_air mass_concentration_of_pp_dichlorodiphenyldichloroethylene_in_dry_aerosol_particles_in_air mass_concentration_of_pp_dichlorodiphenyltrichloroethane_in_dry_aerosol_particles_in_air mass_concentration_of_pyrene_in_dry_aerosol_particles_in_air mass_concentration_of_retene_in_dry_aerosol_particles_in_air mass_concentration_of_trans_chlordane_in_dry_aerosol_particles_in_air mass_concentration_of_trans_nonachlor_in_dry_aerosol_particles_in_air" />
  <attribute name="id" value="SYXP-9D6U.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="AMAP" />
  <attribute name="acknowledgement" value="" />
  <attribute name="doi" value="https://doi.org/10.48597/SYXP-9D6U" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Samsonov, D., Zapevalov, M., AMAP, 2026, POPs (persistent organic pollutants) at Amderma, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/SYXP-9D6U" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="RU06L &quot;Federal State Budgetary Institution&quot; &quot;RPA Typhoon&quot; &quot;Research and Production Association Typhoon&quot; &quot;4 Pobedy street&quot; &quot;Kaluga region&quot; 249038 Obninsk Russia" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2026-04-10T10:53:41.914781Z" />
  <attribute name="date_metadata_modified" value="2026-04-10T10:53:03Z" />
  <attribute name="creator_name" value="Dmitri Samsonov, Mikhail Zapevalov" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value=", " />
  <attribute name="creator_institution" value=", " />
  <attribute name="contributor_name" value="Elena Bogacheva, Mikhail Zapevalov" />
  <attribute name="contributor_role" value="data submitter, data submitter" />
  <attribute name="publisher_type" value="institution" />
  <attribute name="publisher_name" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_institution" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_email" value="ebas@nilu.no" />
  <attribute name="publisher_url" value="https://www.nilu.no/" />
  <attribute name="geospatial_bounds" value="POINT Z EMPTY" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="time_coverage_start" value="2015-09-25T00:00:00Z" />
  <attribute name="time_coverage_end" value="2016-09-14T00:00:00Z" />
  <attribute name="time_coverage_duration" value="P0000-11-20T00:00:00" />
  <attribute name="time_coverage_resolution" value="P0000-00-28T00:00:00" />
  <attribute name="timezone" value="UTC" />
  <attribute name="ebas_data_definition" value="EBAS_1.1" />
  <attribute name="ebas_data_license" value="" />
  <attribute name="ebas_citation" value="Samsonov, D., Zapevalov, M., AMAP, 2026, POPs (persistent organic pollutants) at Amderma, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/SYXP-9D6U" />
  <attribute name="ebas_set_type_code" value="TI" />
  <attribute name="ebas_timezone" value="UTC" />
  <attribute name="ebas_file_name" value="SYXP-9D6U.nc" />
  <attribute name="ebas_represents_doi" value="https://doi.org/10.48597/SYXP-9D6U" />
  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/SYXP-9D6U" />
  <attribute name="ebas_file_creation" value="2026-04-28T02:10:31.670883Z" />
  <attribute name="ebas_export_state" value="2026-04-10T10:53:41.914781Z" />
  <attribute name="ebas_export_filter" value="exclude-900,exclude-invalid" />
  <attribute name="ebas_startdate" value="2015-09-25T00:00:00.000000Z" />
  <attribute name="ebas_revision_date" value="2026-04-10T10:53:03.854540Z" />
  <attribute name="ebas_version" value="1" />
  <attribute name="ebas_version_description" value="initial revision, manually inspected" />
  <attribute name="ebas_statistics" value="arithmetic mean" />
  <attribute name="ebas_data_level" value="2" />
  <attribute name="ebas_period_code" value="12mo" />
  <attribute name="ebas_resolution_code" value="4w" />
  <attribute name="ebas_sample_duration" value="1w" />
  <attribute name="ebas_station_code" value="RU0002R" />
  <attribute name="ebas_platform_code" value="RU0002S" />
  <attribute name="ebas_station_name" value="Amderma" />
  <attribute name="ebas_station_latitude" type="double" value="69.716667" />
  <attribute name="ebas_station_longitude" type="double" value="61.616667" />
  <attribute name="ebas_station_altitude" value="100.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_matrix" value="aerosol" />
  <attribute name="ebas_laboratory_code" value="RU06L" />
  <attribute name="ebas_instrument_type" value="high_vol_sampler" />
  <attribute name="ebas_instrument_name" value="hvs_ru0002" />
  <attribute name="ebas_analytical_laboratory_code" value="RU06L" />
  <attribute name="ebas_analytical_measurement_technique" value="GC-HRMS" />
  <attribute name="ebas_analytical_instrument_name" value="agilent_gc_hrms" />
  <attribute name="ebas_analytical_instrument_manufacturer" value="Agilent" />
  <attribute name="ebas_analytical_instrument_model" value="7200 Accurate Mass Q-TOF" />
  <attribute name="ebas_method_ref" value="RU06L_agilent_gc_hrms" />
  <attribute name="ebas_inlet_description" value="Downward facing" />
  <attribute name="ebas_flow_rate" value="1113.0 l/min" />
  <attribute name="ebas_filter_description" value="Whatman GF/C" />
  <attribute name="ebas_medium" value="Glass fiber+PUF+PUF" />
  <attribute name="ebas_sample_preparation" value="Soxhlet+Hexane+Acetone+13C+Silica+Al2O3" />
  <attribute name="ebas_blank_correction" value="Not blank corrected" />
  <attribute name="ebas_humidity_temperaure_control" value="None" />
  <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with sampling head" />
  <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
  <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
  <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if below detection limit, flagged with 781" />
  <attribute name="ebas_organization" value="RU06L, Federal State Budgetary Institution, RPA Typhoon, Research and Production Association Typhoon, 4 Pobedy street, Kaluga region, 249038, Obninsk, Russia" />
  <attribute name="ebas_framework_acronym" value="AMAP" />
  <attribute name="ebas_framework_name" value="" />
  <attribute name="ebas_framework_description" value="" />
  <attribute name="ebas_framework_contact_name" value="Wenche Aas" />
  <attribute name="ebas_framework_contact_email" value="waa@nilu.no" />
  <attribute name="ebas_originator" value="&quot;Samsonov, Dmitri, , , , , , , , , &quot;, &quot;Zapevalov, Mikhail, , , , , , , , , &quot;" />
  <attribute name="ebas_submitter" value="&quot;Bogacheva, Elena, , , , , , , , , &quot;, &quot;Zapevalov, Mikhail, , , , , , , , , &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 framework: AMAP." />
  <attribute name="_NCProperties" value="version=2,netcdf=4.9.3,hdf5=1.14.6" />
  <attribute name="Metadata_Conventions" value="Unidata Dataset Discovery v1.0" />
  <attribute name="geospatial_lat_units" value="degrees_north" />
  <attribute name="geospatial_lon_units" value="degrees_east" />
  <attribute name="standard_name_vocabulary" value="CF-1.7, ACDD-1.3" />
  <attribute name="history" value="None" />
  <attribute name="creator_url" value="ebas.nilu.no" />
  <attribute name="_CoordSysBuilder" value="ucar.nc2.internal.dataset.conv.CF1Convention" />
  <dimension name="time" length="15" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="1" />
  <dimension name="qc_1_methylnaphthalene_flags" length="2" />
  <dimension name="qc_2_methylnaphthalene_flags" length="2" />
  <dimension name="qc_BDE_100_flags" length="2" />
  <dimension name="qc_BDE_153_flags" length="2" />
  <dimension name="qc_BDE_154_flags" length="2" />
  <dimension name="qc_BDE_183_flags" length="2" />
  <dimension name="qc_BDE_47_flags" length="2" />
  <dimension name="qc_BDE_99_flags" length="2" />
  <dimension name="qc_HCB_flags" length="2" />
  <dimension name="qc_PCB_101_flags" length="2" />
  <dimension name="qc_PCB_105_flags" length="2" />
  <dimension name="qc_PCB_110_flags" length="2" />
  <dimension name="qc_PCB_118_flags" length="2" />
  <dimension name="qc_PCB_138_flags" length="2" />
  <dimension name="qc_PCB_149_flags" length="2" />
  <dimension name="qc_PCB_153_flags" length="2" />
  <dimension name="qc_PCB_156_flags" length="1" />
  <dimension name="qc_PCB_158_flags" length="2" />
  <dimension name="qc_PCB_170_flags" length="2" />
  <dimension name="qc_PCB_177_flags" length="1" />
  <dimension name="qc_PCB_180_flags" length="2" />
  <dimension name="qc_PCB_183_flags" length="1" />
  <dimension name="qc_PCB_187_flags" length="1" />
  <dimension name="qc_PCB_28_31_flags" length="2" />
  <dimension name="qc_PCB_49_flags" length="2" />
  <dimension name="qc_PCB_52_flags" length="2" />
  <dimension name="qc_PCB_70_flags" length="2" />
  <dimension name="qc_PCB_74_flags" length="2" />
  <dimension name="qc_PCB_87_flags" length="2" />
  <dimension name="qc_PCB_95_flags" length="2" />
  <dimension name="qc_PCB_99_flags" length="2" />
  <dimension name="qc_acenaphthene_flags" length="2" />
  <dimension name="qc_acenaphthylene_flags" length="1" />
  <dimension name="qc_alpha_HCH_flags" length="2" />
  <dimension name="qc_anthracene_flags" length="2" />
  <dimension name="qc_benz_a_anthracene_flags" length="2" />
  <dimension name="qc_benzo_a_pyrene_flags" length="2" />
  <dimension name="qc_benzo_e_pyrene_flags" length="2" />
  <dimension name="qc_benzo_ghi_perylene_flags" length="2" />
  <dimension name="qc_beta_HCH_flags" length="2" />
  <dimension name="qc_chrysene_flags" length="1" />
  <dimension name="qc_cis_CD_flags" length="2" />
  <dimension name="qc_cis_NO_flags" length="1" />
  <dimension name="qc_dibenzo_ah_anthracene_flags" length="2" />
  <dimension name="qc_dibenzothiophene_flags" length="2" />
  <dimension name="qc_dieldrin_flags" length="1" />
  <dimension name="qc_fluoranthene_flags" length="2" />
  <dimension name="qc_fluorene_flags" length="2" />
  <dimension name="qc_gamma_HCH_flags" length="2" />
  <dimension name="qc_heptachlor_flags" length="1" />
  <dimension name="qc_heptachlorepoxide_flags" length="1" />
  <dimension name="qc_indeno_123cd_perylene_flags" length="2" />
  <dimension name="qc_naphthalene_flags" length="2" />
  <dimension name="qc_octachlorostyrene_flags" length="1" />
  <dimension name="qc_op_DDD_flags" length="2" />
  <dimension name="qc_op_DDE_flags" length="2" />
  <dimension name="qc_op_DDT_flags" length="2" />
  <dimension name="qc_perylene_flags" length="2" />
  <dimension name="qc_phenanthrene_flags" length="2" />
  <dimension name="qc_pp_DDD_flags" length="2" />
  <dimension name="qc_pp_DDE_flags" length="2" />
  <dimension name="qc_pp_DDT_flags" length="1" />
  <dimension name="qc_pyrene_flags" length="2" />
  <dimension name="qc_retene_flags" length="2" />
  <dimension name="qc_trans_CD_flags" length="2" />
  <dimension name="qc_trans_NO_flags" length="2" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2015-09-28T12:00:00Z" />
    <attribute name="time_coverage_end" value="2016-09-10T12:00:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="2147657.0" />
    <attribute name="time_coverage_duration" value="P0Y0M348DT0H0M0.000S" />
  </group>
  <group name="NCISOMetadata">
    <attribute name="metadata_creation" value="2026-05-18" />
    <attribute name="nciso_version" value="2.4.8" />
  </group>
  <variable name="time_bnds" shape="time tbnds" type="double">
    <attribute name="long_name" value="time bounds for measurement" />
  </variable>
  <variable name="metadata_time_bnds" shape="metadata_time tbnds" type="double">
    <attribute name="long_name" value="time bounds for ebas metadata intervals" />
  </variable>
  <variable name="v_1_methylnaphthalene" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="v_1_methylnaphthalene_qc v_1_methylnaphthalene_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2019-03-01T11:48:43.000000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1w" />
    <attribute name="ebas_station_code" value="RU0002R" />
    <attribute name="ebas_platform_code" value="RU0002S" />
    <attribute name="ebas_station_name" value="Amderma" />
    <attribute name="ebas_station_latitude" type="double" value="69.716667" />
    <attribute name="ebas_station_longitude" type="double" value="61.616667" />
    <attribute name="ebas_station_altitude" value="100.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="1-methylnaphthalene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="RU06L" />
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    <attribute name="ebas_instrument_name" value="hvs_ru0002" />
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    <attribute name="ebas_inlet_description" value="Downward facing" />
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    <attribute name="ebas_medium" value="Glass fiber+PUF+PUF" />
    <attribute name="ebas_sample_preparation" value="Soxhlet+Hexane+Acetone+13C+Silica+Al2O3" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
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    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with sampling head" />
    <attribute name="ebas_detection_limit" value="0.001 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if below detection limit, flagged with 781" />
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    <attribute name="ebas_framework_name" value="" />
    <attribute name="ebas_framework_description" value="" />
    <attribute name="ebas_framework_contact_name" value="Wenche Aas" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Samsonov, Dmitri, , , , , , , , , &quot;, &quot;Zapevalov, Mikhail, , , , , , , , , &quot;" />
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    <attribute name="actris_variable_preferred_term" value="aerosol particle 1-methylnaphthalene mass concentration" />
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    <attribute name="actris_matrix_preferred_term" value="aerosol particle phase" />
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    <attribute name="actris_framework_preferred_term" value="AMAP" />
    <attribute name="actris_temporal_resolution" value="P28D" />
    <attribute name="actris_access_restriction" type="long" value="1" />
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  <variable name="qc_1_methylnaphthalene" shape="qc_1_methylnaphthalene_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_1_methylnaphthalene" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_2_methylnaphthalene" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="v_2_methylnaphthalene_qc v_2_methylnaphthalene_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2019-03-01T11:48:43.000000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1w" />
    <attribute name="ebas_station_code" value="RU0002R" />
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    <attribute name="ebas_station_name" value="Amderma" />
    <attribute name="ebas_station_latitude" type="double" value="69.716667" />
    <attribute name="ebas_station_longitude" type="double" value="61.616667" />
    <attribute name="ebas_station_altitude" value="100.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="2-methylnaphthalene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="RU06L" />
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    <attribute name="ebas_instrument_name" value="hvs_ru0002" />
    <attribute name="ebas_analytical_laboratory_code" value="RU06L" />
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    <attribute name="ebas_analytical_instrument_name" value="agilent_gc_hrms" />
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    <attribute name="ebas_analytical_instrument_model" value="7200 Accurate Mass Q-TOF" />
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    <attribute name="ebas_sample_preparation" value="Soxhlet+Hexane+Acetone+13C+Silica+Al2O3" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
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    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with sampling head" />
    <attribute name="ebas_detection_limit" value="0.001 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if below detection limit, flagged with 781" />
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    <attribute name="ebas_framework_acronym" value="AMAP" />
    <attribute name="ebas_framework_name" value="" />
    <attribute name="ebas_framework_description" value="" />
    <attribute name="ebas_framework_contact_name" value="Wenche Aas" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Samsonov, Dmitri, , , , , , , , , &quot;, &quot;Zapevalov, Mikhail, , , , , , , , , &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 framework: AMAP." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticle2-methylnaphthalenemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle 2-methylnaphthalene mass concentration" />
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    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
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    <attribute name="actris_access_restriction" type="long" value="1" />
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  <variable name="qc_2_methylnaphthalene" shape="qc_2_methylnaphthalene_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_2_methylnaphthalene" shape="metadata_time" type="String">
    <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="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pg/m3" />
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    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2026-04-10T10:53:03.854540Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1w" />
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    <attribute name="ebas_station_longitude" type="double" value="61.616667" />
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    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="BDE_100" />
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    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with sampling head" />
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    <attribute name="ebas_framework_name" value="" />
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    <attribute name="ebas_framework_contact_name" value="Wenche Aas" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no" />
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    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlePBDE100massconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle 2,2',4,4',6-pentabromodiphenyl ether 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_BDE_153" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
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    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
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    <attribute name="ebas_component" value="BDE_153" />
    <attribute name="ebas_unit" value="pg/m3" />
    <attribute name="ebas_matrix" value="aerosol" />
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    <attribute name="ebas_analytical_measurement_technique" value="GC-HRMS" />
    <attribute name="ebas_analytical_instrument_name" value="agilent_gc_hrms" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Agilent" />
    <attribute name="ebas_analytical_instrument_model" value="7200 Accurate Mass Q-TOF" />
    <attribute name="ebas_method_ref" value="RU06L_agilent_gc_hrms" />
    <attribute name="ebas_inlet_description" value="Downward facing" />
    <attribute name="ebas_flow_rate" value="1113.0 l/min" />
    <attribute name="ebas_filter_description" value="Whatman GF/C" />
    <attribute name="ebas_medium" value="Glass fiber+PUF+PUF" />
    <attribute name="ebas_sample_preparation" value="Soxhlet+Hexane+Acetone+13C+Silica+Al2O3" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with sampling head" />
    <attribute name="ebas_detection_limit" value="0.001 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if below detection limit, flagged with 781" />
    <attribute name="ebas_organization" value="RU06L, Federal State Budgetary Institution, RPA Typhoon, Research and Production Association Typhoon, 4 Pobedy street, Kaluga region, 249038, Obninsk, Russia" />
    <attribute name="ebas_framework_acronym" value="AMAP" />
    <attribute name="ebas_framework_name" value="" />
    <attribute name="ebas_framework_description" value="" />
    <attribute name="ebas_framework_contact_name" value="Wenche Aas" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Samsonov, Dmitri, , , , , , , , , &quot;, &quot;Zapevalov, Mikhail, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Bogacheva, Elena, , , , , , , , , &quot;, &quot;Zapevalov, Mikhail, , , , , , , , , &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 framework: AMAP." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticleacenaphthenemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle acenaphthene mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlephase" />
    <attribute name="actris_matrix_preferred_term" value="aerosol particle phase" />
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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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    <attribute name="actris_framework_preferred_term" value="AMAP" />
    <attribute name="actris_temporal_resolution" value="P28D" />
    <attribute name="actris_access_restriction" type="long" value="1" />
  </variable>
  <variable name="qc_acenaphthene" shape="qc_acenaphthene_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_acenaphthene" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_acenaphthylene" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_acenaphthylene_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="v_acenaphthylene_qc v_acenaphthylene_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2026-04-10T10:53:03.854540Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1w" />
    <attribute name="ebas_station_code" value="RU0002R" />
    <attribute name="ebas_platform_code" value="RU0002S" />
    <attribute name="ebas_station_name" value="Amderma" />
    <attribute name="ebas_station_latitude" type="double" value="69.716667" />
    <attribute name="ebas_station_longitude" type="double" value="61.616667" />
    <attribute name="ebas_station_altitude" value="100.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="acenaphthylene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="RU06L" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="hvs_ru0002" />
    <attribute name="ebas_analytical_laboratory_code" value="RU06L" />
    <attribute name="ebas_analytical_measurement_technique" value="GC-HRMS" />
    <attribute name="ebas_analytical_instrument_name" value="agilent_gc_hrms" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Agilent" />
    <attribute name="ebas_analytical_instrument_model" value="7200 Accurate Mass Q-TOF" />
    <attribute name="ebas_method_ref" value="RU06L_agilent_gc_hrms" />
    <attribute name="ebas_inlet_description" value="Downward facing" />
    <attribute name="ebas_flow_rate" value="1113.0 l/min" />
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    <attribute name="ebas_medium" value="Glass fiber+PUF+PUF" />
    <attribute name="ebas_sample_preparation" value="Soxhlet+Hexane+Acetone+13C+Silica+Al2O3" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
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    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with sampling head" />
    <attribute name="ebas_detection_limit" value="0.001 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if below detection limit, flagged with 781" />
    <attribute name="ebas_organization" value="RU06L, Federal State Budgetary Institution, RPA Typhoon, Research and Production Association Typhoon, 4 Pobedy street, Kaluga region, 249038, Obninsk, Russia" />
    <attribute name="ebas_framework_acronym" value="AMAP" />
    <attribute name="ebas_framework_name" value="" />
    <attribute name="ebas_framework_description" value="" />
    <attribute name="ebas_framework_contact_name" value="Wenche Aas" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Samsonov, Dmitri, , , , , , , , , &quot;, &quot;Zapevalov, Mikhail, , , , , , , , , &quot;" />
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    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticleacenaphthylenemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle acenaphthylene mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlephase" />
    <attribute name="actris_matrix_preferred_term" value="aerosol particle phase" />
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    <attribute name="actris_framework_preferred_term" value="AMAP" />
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    <attribute name="actris_access_restriction" type="long" value="1" />
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  <variable name="qc_acenaphthylene" shape="qc_acenaphthylene_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_acenaphthylene" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_alpha_HCH" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_alpha_hexachlorocyclohexane_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pg/m3" />
    <attribute name="ancillary_variables" value="v_alpha_HCH_qc v_alpha_HCH_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2026-04-10T10:53:03.854540Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1w" />
    <attribute name="ebas_station_code" value="RU0002R" />
    <attribute name="ebas_platform_code" value="RU0002S" />
    <attribute name="ebas_station_name" value="Amderma" />
    <attribute name="ebas_station_latitude" type="double" value="69.716667" />
    <attribute name="ebas_station_longitude" type="double" value="61.616667" />
    <attribute name="ebas_station_altitude" value="100.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="alpha_HCH" />
    <attribute name="ebas_unit" value="pg/m3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="RU06L" />
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    <attribute name="ebas_analytical_laboratory_code" value="RU06L" />
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    <attribute name="ebas_analytical_instrument_name" value="agilent_gc_hrms" />
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    <attribute name="ebas_blank_correction" value="Not blank corrected" />
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    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with sampling head" />
    <attribute name="ebas_detection_limit" value="0.01 pg/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if below detection limit, flagged with 781" />
    <attribute name="ebas_organization" value="RU06L, Federal State Budgetary Institution, RPA Typhoon, Research and Production Association Typhoon, 4 Pobedy street, Kaluga region, 249038, Obninsk, Russia" />
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    <attribute name="ebas_framework_name" value="" />
    <attribute name="ebas_framework_description" value="" />
    <attribute name="ebas_framework_contact_name" value="Wenche Aas" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no" />
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    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlealpha-hexachlorocyclohexanemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle alpha-hexachlorocyclohexane mass concentration" />
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    <attribute name="actris_access_restriction" type="long" value="1" />
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  <variable name="qc_alpha_HCH" shape="qc_alpha_HCH_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" />
  </variable>
  <variable name="meta_alpha_HCH" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_anthracene" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_anthracene_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="v_anthracene_qc v_anthracene_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2026-04-10T10:53:03.854540Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1w" />
    <attribute name="ebas_station_code" value="RU0002R" />
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    <attribute name="ebas_station_name" value="Amderma" />
    <attribute name="ebas_station_latitude" type="double" value="69.716667" />
    <attribute name="ebas_station_longitude" type="double" value="61.616667" />
    <attribute name="ebas_station_altitude" value="100.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="anthracene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="RU06L" />
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    <attribute name="ebas_instrument_name" value="hvs_ru0002" />
    <attribute name="ebas_analytical_laboratory_code" value="RU06L" />
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    <attribute name="ebas_analytical_instrument_name" value="agilent_gc_hrms" />
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    <attribute name="ebas_blank_correction" value="Not blank corrected" />
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    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with sampling head" />
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    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
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    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if below detection limit, flagged with 781" />
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    <attribute name="ebas_framework_acronym" value="AMAP" />
    <attribute name="ebas_framework_name" value="" />
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    <attribute name="ebas_framework_contact_name" value="Wenche Aas" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no" />
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    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticleanthracenemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle anthracene mass concentration" />
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    <attribute name="actris_access_restriction" type="long" value="1" />
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  <variable name="qc_anthracene" shape="qc_anthracene_flags time" type="int">
    <attribute name="units" value="1" />
    <attribute name="_FillValue" type="int" value="0" />
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  </variable>
  <variable name="meta_anthracene" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_benz_a_anthracene" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_benz_a_anthracene_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="v_benz_a_anthracene_qc v_benz_a_anthracene_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2026-04-10T10:53:03.854540Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1w" />
    <attribute name="ebas_station_code" value="RU0002R" />
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    <attribute name="ebas_station_name" value="Amderma" />
    <attribute name="ebas_station_latitude" type="double" value="69.716667" />
    <attribute name="ebas_station_longitude" type="double" value="61.616667" />
    <attribute name="ebas_station_altitude" value="100.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="benz_a_anthracene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="RU06L" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="hvs_ru0002" />
    <attribute name="ebas_analytical_laboratory_code" value="RU06L" />
    <attribute name="ebas_analytical_measurement_technique" value="GC-HRMS" />
    <attribute name="ebas_analytical_instrument_name" value="agilent_gc_hrms" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Agilent" />
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    <attribute name="ebas_inlet_description" value="Downward facing" />
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    <attribute name="ebas_medium" value="Glass fiber+PUF+PUF" />
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    <attribute name="ebas_blank_correction" value="Not blank corrected" />
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    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with sampling head" />
    <attribute name="ebas_detection_limit" value="0.001 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if below detection limit, flagged with 781" />
    <attribute name="ebas_organization" value="RU06L, Federal State Budgetary Institution, RPA Typhoon, Research and Production Association Typhoon, 4 Pobedy street, Kaluga region, 249038, Obninsk, Russia" />
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    <attribute name="ebas_framework_name" value="" />
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    <attribute name="ebas_framework_contact_name" value="Wenche Aas" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no" />
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    <attribute name="actris_variable_preferred_term" value="aerosol particle benzanthracene mass concentration" />
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  <variable name="meta_benz_a_anthracene" shape="metadata_time" type="String">
    <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_benzo_a_pyrene_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="v_benzo_a_pyrene_qc v_benzo_a_pyrene_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2026-04-10T10:53:03.854540Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1w" />
    <attribute name="ebas_station_code" value="RU0002R" />
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    <attribute name="ebas_station_name" value="Amderma" />
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    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with sampling head" />
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    <attribute name="ebas_framework_name" value="" />
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    <attribute name="ebas_framework_contact_email" value="waa@nilu.no" />
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    <attribute name="actris_variable_preferred_term" value="aerosol particle benzo(a)pyrene mass concentration" />
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  <variable name="qc_benzo_a_pyrene" shape="qc_benzo_a_pyrene_flags time" type="int">
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  <variable name="meta_benzo_a_pyrene" 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_benzo_e_pyrene" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
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    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1w" />
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    <attribute name="ebas_station_name" value="Amderma" />
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    <attribute name="ebas_component" value="benzo_e_pyrene" />
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  <variable name="meta_benzo_e_pyrene" 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_benzo_ghi_perylene" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
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    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="v_benzo_ghi_perylene_qc v_benzo_ghi_perylene_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2019-03-01T11:48:43.000000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
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    <attribute name="ebas_sample_duration" value="1w" />
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    <attribute name="ebas_station_name" value="Amderma" />
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    <attribute name="ebas_component" value="benzo_ghi_perylene" />
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    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlebenzo-ghiperylenemassconcentration" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="ebas_revision_date" value="2026-04-10T10:53:03.854540Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
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    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1w" />
    <attribute name="ebas_station_code" value="RU0002R" />
    <attribute name="ebas_platform_code" value="RU0002S" />
    <attribute name="ebas_station_name" value="Amderma" />
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    <attribute name="ebas_station_longitude" type="double" value="61.616667" />
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    <attribute name="ebas_component" value="beta_HCH" />
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    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
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    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if below detection limit, flagged with 781" />
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    <attribute name="actris_access_restriction" type="long" value="1" />
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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_chrysene_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
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    <attribute name="ancillary_variables" value="v_chrysene_qc v_chrysene_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2026-04-10T10:53:03.854540Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1w" />
    <attribute name="ebas_station_code" value="RU0002R" />
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    <attribute name="ebas_station_name" value="Amderma" />
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    <attribute name="ebas_component" value="chrysene" />
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  <variable name="qc_cis_CD" shape="qc_cis_CD_flags time" type="int">
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  <variable name="meta_cis_CD" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_cis_NO" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_cis_nonechlor_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
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    <attribute name="ancillary_variables" value="v_cis_NO_qc v_cis_NO_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2019-03-01T11:48:43.000000Z" />
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    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
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    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2019-03-01T11:48:43.000000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1w" />
    <attribute name="ebas_station_code" value="RU0002R" />
    <attribute name="ebas_platform_code" value="RU0002S" />
    <attribute name="ebas_station_name" value="Amderma" />
    <attribute name="ebas_station_latitude" type="double" value="69.716667" />
    <attribute name="ebas_station_longitude" type="double" value="61.616667" />
    <attribute name="ebas_station_altitude" value="100.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="dibenzo_ah_anthracene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="RU06L" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="hvs_ru0002" />
    <attribute name="ebas_analytical_laboratory_code" value="RU06L" />
    <attribute name="ebas_analytical_measurement_technique" value="GC-HRMS" />
    <attribute name="ebas_analytical_instrument_name" value="agilent_gc_hrms" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Agilent" />
    <attribute name="ebas_analytical_instrument_model" value="7200 Accurate Mass Q-TOF" />
    <attribute name="ebas_method_ref" value="RU06L_agilent_gc_hrms" />
    <attribute name="ebas_inlet_description" value="Downward facing" />
    <attribute name="ebas_flow_rate" value="1113.0 l/min" />
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    <attribute name="ebas_medium" value="Glass fiber+PUF+PUF" />
    <attribute name="ebas_sample_preparation" value="Soxhlet+Hexane+Acetone+13C+Silica+Al2O3" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with sampling head" />
    <attribute name="ebas_detection_limit" value="0.001 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if below detection limit, flagged with 781" />
    <attribute name="ebas_organization" value="RU06L, Federal State Budgetary Institution, RPA Typhoon, Research and Production Association Typhoon, 4 Pobedy street, Kaluga region, 249038, Obninsk, Russia" />
    <attribute name="ebas_framework_acronym" value="AMAP" />
    <attribute name="ebas_framework_name" value="" />
    <attribute name="ebas_framework_description" value="" />
    <attribute name="ebas_framework_contact_name" value="Wenche Aas" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Samsonov, Dmitri, , , , , , , , , &quot;, &quot;Zapevalov, Mikhail, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Bogacheva, Elena, , , , , , , , , &quot;, &quot;Zapevalov, Mikhail, , , , , , , , , &quot;" />
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    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticledibenz-a-hanthracenemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle dibenz(a,h)anthracene mass concentration" />
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    <attribute name="actris_matrix_preferred_term" value="aerosol particle phase" />
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    <attribute name="actris_access_restriction" type="long" value="1" />
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  <variable name="qc_dibenzo_ah_anthracene" shape="qc_dibenzo_ah_anthracene_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_dibenzo_ah_anthracene" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_dibenzothiophene" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_dibenzothiophene_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="v_dibenzothiophene_qc v_dibenzothiophene_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2019-03-01T11:48:43.000000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1w" />
    <attribute name="ebas_station_code" value="RU0002R" />
    <attribute name="ebas_platform_code" value="RU0002S" />
    <attribute name="ebas_station_name" value="Amderma" />
    <attribute name="ebas_station_latitude" type="double" value="69.716667" />
    <attribute name="ebas_station_longitude" type="double" value="61.616667" />
    <attribute name="ebas_station_altitude" value="100.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="dibenzothiophene" />
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    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="RU06L" />
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    <attribute name="ebas_analytical_instrument_name" value="agilent_gc_hrms" />
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    <attribute name="ebas_inlet_description" value="Downward facing" />
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    <attribute name="ebas_medium" value="Glass fiber+PUF+PUF" />
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    <attribute name="ebas_blank_correction" value="Not blank corrected" />
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    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with sampling head" />
    <attribute name="ebas_detection_limit" value="0.001 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if below detection limit, flagged with 781" />
    <attribute name="ebas_organization" value="RU06L, Federal State Budgetary Institution, RPA Typhoon, Research and Production Association Typhoon, 4 Pobedy street, Kaluga region, 249038, Obninsk, Russia" />
    <attribute name="ebas_framework_acronym" value="AMAP" />
    <attribute name="ebas_framework_name" value="" />
    <attribute name="ebas_framework_description" value="" />
    <attribute name="ebas_framework_contact_name" value="Wenche Aas" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Samsonov, Dmitri, , , , , , , , , &quot;, &quot;Zapevalov, Mikhail, , , , , , , , , &quot;" />
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    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticledibenzothiophenemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle dibenzothiophene mass concentration" />
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    <attribute name="actris_access_restriction" type="long" value="1" />
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  <variable name="qc_dibenzothiophene" shape="qc_dibenzothiophene_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="units" value="1" />
    <attribute name="standard_name" value="status_flag" />
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  <variable name="meta_dibenzothiophene" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_dieldrin" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_dieldrin_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
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    <attribute name="ancillary_variables" value="v_dieldrin_qc v_dieldrin_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2019-03-01T11:48:43.000000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1w" />
    <attribute name="ebas_station_code" value="RU0002R" />
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    <attribute name="ebas_station_name" value="Amderma" />
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    <attribute name="ebas_station_longitude" type="double" value="61.616667" />
    <attribute name="ebas_station_altitude" value="100.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="dieldrin" />
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    <attribute name="ebas_analytical_instrument_name" value="agilent_gc_hrms" />
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    <attribute name="ebas_medium" value="Glass fiber+PUF+PUF" />
    <attribute name="ebas_sample_preparation" value="Soxhlet+Hexane+Acetone+13C+Silica+Al2O3" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
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    <attribute name="ebas_detection_limit" value="0.01 pg/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
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    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if below detection limit, flagged with 781" />
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    <attribute name="ebas_framework_name" value="" />
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    <attribute name="ebas_framework_contact_name" value="Wenche Aas" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no" />
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    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticledieldrinmassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle dieldrin mass concentration" />
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  <variable name="qc_dieldrin" shape="qc_dieldrin_flags time" type="int">
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  <variable name="meta_dieldrin" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_fluoranthene" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_fluoranthene_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="v_fluoranthene_qc v_fluoranthene_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2026-04-10T10:53:03.854540Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1w" />
    <attribute name="ebas_station_code" value="RU0002R" />
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    <attribute name="ebas_station_name" value="Amderma" />
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    <attribute name="ebas_station_altitude" value="100.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="fluoranthene" />
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    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with sampling head" />
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    <attribute name="ebas_framework_name" value="" />
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    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlefluoranthenemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle fluoranthene mass concentration" />
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  <variable name="qc_fluoranthene" shape="qc_fluoranthene_flags time" type="int">
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  <variable name="meta_fluoranthene" 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_fluorene" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_fluorene_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="v_fluorene_qc v_fluorene_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2026-04-10T10:53:03.854540Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1w" />
    <attribute name="ebas_station_code" value="RU0002R" />
    <attribute name="ebas_platform_code" value="RU0002S" />
    <attribute name="ebas_station_name" value="Amderma" />
    <attribute name="ebas_station_latitude" type="double" value="69.716667" />
    <attribute name="ebas_station_longitude" type="double" value="61.616667" />
    <attribute name="ebas_station_altitude" value="100.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="fluorene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="RU06L" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="hvs_ru0002" />
    <attribute name="ebas_analytical_laboratory_code" value="RU06L" />
    <attribute name="ebas_analytical_measurement_technique" value="GC-HRMS" />
    <attribute name="ebas_analytical_instrument_name" value="agilent_gc_hrms" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Agilent" />
    <attribute name="ebas_analytical_instrument_model" value="7200 Accurate Mass Q-TOF" />
    <attribute name="ebas_method_ref" value="RU06L_agilent_gc_hrms" />
    <attribute name="ebas_inlet_description" value="Downward facing" />
    <attribute name="ebas_flow_rate" value="1113.0 l/min" />
    <attribute name="ebas_filter_description" value="Whatman GF/C" />
    <attribute name="ebas_medium" value="Glass fiber+PUF+PUF" />
    <attribute name="ebas_sample_preparation" value="Soxhlet+Hexane+Acetone+13C+Silica+Al2O3" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with sampling head" />
    <attribute name="ebas_detection_limit" value="0.001 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if below detection limit, flagged with 781" />
    <attribute name="ebas_organization" value="RU06L, Federal State Budgetary Institution, RPA Typhoon, Research and Production Association Typhoon, 4 Pobedy street, Kaluga region, 249038, Obninsk, Russia" />
    <attribute name="ebas_framework_acronym" value="AMAP" />
    <attribute name="ebas_framework_name" value="" />
    <attribute name="ebas_framework_description" value="" />
    <attribute name="ebas_framework_contact_name" value="Wenche Aas" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Samsonov, Dmitri, , , , , , , , , &quot;, &quot;Zapevalov, Mikhail, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Bogacheva, Elena, , , , , , , , , &quot;, &quot;Zapevalov, Mikhail, , , , , , , , , &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 framework: AMAP." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlefluorenemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle fluorene mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlephase" />
    <attribute name="actris_matrix_preferred_term" value="aerosol particle phase" />
    <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/AMAP" />
    <attribute name="actris_framework_preferred_term" value="AMAP" />
    <attribute name="actris_temporal_resolution" value="P28D" />
    <attribute name="actris_access_restriction" type="long" value="1" />
  </variable>
  <variable name="qc_fluorene" shape="qc_fluorene_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_fluorene" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_gamma_HCH" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_gamma_hexachlorocyclohexane_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pg/m3" />
    <attribute name="ancillary_variables" value="v_gamma_HCH_qc v_gamma_HCH_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2026-04-10T10:53:03.854540Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1w" />
    <attribute name="ebas_station_code" value="RU0002R" />
    <attribute name="ebas_platform_code" value="RU0002S" />
    <attribute name="ebas_station_name" value="Amderma" />
    <attribute name="ebas_station_latitude" type="double" value="69.716667" />
    <attribute name="ebas_station_longitude" type="double" value="61.616667" />
    <attribute name="ebas_station_altitude" value="100.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="gamma_HCH" />
    <attribute name="ebas_unit" value="pg/m3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="RU06L" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="hvs_ru0002" />
    <attribute name="ebas_analytical_laboratory_code" value="RU06L" />
    <attribute name="ebas_analytical_measurement_technique" value="GC-HRMS" />
    <attribute name="ebas_analytical_instrument_name" value="agilent_gc_hrms" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Agilent" />
    <attribute name="ebas_analytical_instrument_model" value="7200 Accurate Mass Q-TOF" />
    <attribute name="ebas_method_ref" value="RU06L_agilent_gc_hrms" />
    <attribute name="ebas_inlet_description" value="Downward facing" />
    <attribute name="ebas_flow_rate" value="1113.0 l/min" />
    <attribute name="ebas_filter_description" value="Whatman GF/C" />
    <attribute name="ebas_medium" value="Glass fiber+PUF+PUF" />
    <attribute name="ebas_sample_preparation" value="Soxhlet+Hexane+Acetone+13C+Silica+Al2O3" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with sampling head" />
    <attribute name="ebas_detection_limit" value="0.01 pg/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if below detection limit, flagged with 781" />
    <attribute name="ebas_organization" value="RU06L, Federal State Budgetary Institution, RPA Typhoon, Research and Production Association Typhoon, 4 Pobedy street, Kaluga region, 249038, Obninsk, Russia" />
    <attribute name="ebas_framework_acronym" value="AMAP" />
    <attribute name="ebas_framework_name" value="" />
    <attribute name="ebas_framework_description" value="" />
    <attribute name="ebas_framework_contact_name" value="Wenche Aas" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Samsonov, Dmitri, , , , , , , , , &quot;, &quot;Zapevalov, Mikhail, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Bogacheva, Elena, , , , , , , , , &quot;, &quot;Zapevalov, Mikhail, , , , , , , , , &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 framework: AMAP." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlegamma-hexachlorocyclohexanemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle gamma-hexachlorocyclohexane mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlephase" />
    <attribute name="actris_matrix_preferred_term" value="aerosol particle phase" />
    <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/AMAP" />
    <attribute name="actris_framework_preferred_term" value="AMAP" />
    <attribute name="actris_temporal_resolution" value="P28D" />
    <attribute name="actris_access_restriction" type="long" value="1" />
  </variable>
  <variable name="qc_gamma_HCH" shape="qc_gamma_HCH_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_gamma_HCH" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_heptachlor" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_heptachlor_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pg/m3" />
    <attribute name="ancillary_variables" value="v_heptachlor_qc v_heptachlor_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2019-03-01T11:48:43.000000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1w" />
    <attribute name="ebas_station_code" value="RU0002R" />
    <attribute name="ebas_platform_code" value="RU0002S" />
    <attribute name="ebas_station_name" value="Amderma" />
    <attribute name="ebas_station_latitude" type="double" value="69.716667" />
    <attribute name="ebas_station_longitude" type="double" value="61.616667" />
    <attribute name="ebas_station_altitude" value="100.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="heptachlor" />
    <attribute name="ebas_unit" value="pg/m3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="RU06L" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="hvs_ru0002" />
    <attribute name="ebas_analytical_laboratory_code" value="RU06L" />
    <attribute name="ebas_analytical_measurement_technique" value="GC-HRMS" />
    <attribute name="ebas_analytical_instrument_name" value="agilent_gc_hrms" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Agilent" />
    <attribute name="ebas_analytical_instrument_model" value="7200 Accurate Mass Q-TOF" />
    <attribute name="ebas_method_ref" value="RU06L_agilent_gc_hrms" />
    <attribute name="ebas_inlet_description" value="Downward facing" />
    <attribute name="ebas_flow_rate" value="1113.0 l/min" />
    <attribute name="ebas_filter_description" value="Whatman GF/C" />
    <attribute name="ebas_medium" value="Glass fiber+PUF+PUF" />
    <attribute name="ebas_sample_preparation" value="Soxhlet+Hexane+Acetone+13C+Silica+Al2O3" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with sampling head" />
    <attribute name="ebas_detection_limit" value="0.01 pg/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if below detection limit, flagged with 781" />
    <attribute name="ebas_organization" value="RU06L, Federal State Budgetary Institution, RPA Typhoon, Research and Production Association Typhoon, 4 Pobedy street, Kaluga region, 249038, Obninsk, Russia" />
    <attribute name="ebas_framework_acronym" value="AMAP" />
    <attribute name="ebas_framework_name" value="" />
    <attribute name="ebas_framework_description" value="" />
    <attribute name="ebas_framework_contact_name" value="Wenche Aas" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Samsonov, Dmitri, , , , , , , , , &quot;, &quot;Zapevalov, Mikhail, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Bogacheva, Elena, , , , , , , , , &quot;, &quot;Zapevalov, Mikhail, , , , , , , , , &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 framework: AMAP." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticleheptachlormassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle heptachlor mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlephase" />
    <attribute name="actris_matrix_preferred_term" value="aerosol particle phase" />
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    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
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    <attribute name="actris_framework_preferred_term" value="AMAP" />
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    <attribute name="actris_access_restriction" type="long" value="1" />
  </variable>
  <variable name="qc_heptachlor" shape="qc_heptachlor_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_heptachlor" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_heptachlorepoxide" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_heptachlor_epoxide_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pg/m3" />
    <attribute name="ancillary_variables" value="v_heptachlorepoxide_qc v_heptachlorepoxide_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2019-03-01T11:48:43.000000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1w" />
    <attribute name="ebas_station_code" value="RU0002R" />
    <attribute name="ebas_platform_code" value="RU0002S" />
    <attribute name="ebas_station_name" value="Amderma" />
    <attribute name="ebas_station_latitude" type="double" value="69.716667" />
    <attribute name="ebas_station_longitude" type="double" value="61.616667" />
    <attribute name="ebas_station_altitude" value="100.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="heptachlorepoxide" />
    <attribute name="ebas_unit" value="pg/m3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="RU06L" />
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    <attribute name="ebas_instrument_name" value="hvs_ru0002" />
    <attribute name="ebas_analytical_laboratory_code" value="RU06L" />
    <attribute name="ebas_analytical_measurement_technique" value="GC-HRMS" />
    <attribute name="ebas_analytical_instrument_name" value="agilent_gc_hrms" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Agilent" />
    <attribute name="ebas_analytical_instrument_model" value="7200 Accurate Mass Q-TOF" />
    <attribute name="ebas_method_ref" value="RU06L_agilent_gc_hrms" />
    <attribute name="ebas_inlet_description" value="Downward facing" />
    <attribute name="ebas_flow_rate" value="1113.0 l/min" />
    <attribute name="ebas_filter_description" value="Whatman GF/C" />
    <attribute name="ebas_medium" value="Glass fiber+PUF+PUF" />
    <attribute name="ebas_sample_preparation" value="Soxhlet+Hexane+Acetone+13C+Silica+Al2O3" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
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    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with sampling head" />
    <attribute name="ebas_detection_limit" value="0.01 pg/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if below detection limit, flagged with 781" />
    <attribute name="ebas_organization" value="RU06L, Federal State Budgetary Institution, RPA Typhoon, Research and Production Association Typhoon, 4 Pobedy street, Kaluga region, 249038, Obninsk, Russia" />
    <attribute name="ebas_framework_acronym" value="AMAP" />
    <attribute name="ebas_framework_name" value="" />
    <attribute name="ebas_framework_description" value="" />
    <attribute name="ebas_framework_contact_name" value="Wenche Aas" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Samsonov, Dmitri, , , , , , , , , &quot;, &quot;Zapevalov, Mikhail, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Bogacheva, Elena, , , , , , , , , &quot;, &quot;Zapevalov, Mikhail, , , , , , , , , &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 framework: AMAP." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticleheptachlorepoxidemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle heptachlor epoxide mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlephase" />
    <attribute name="actris_matrix_preferred_term" value="aerosol particle phase" />
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    <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="AMAP" />
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    <attribute name="actris_access_restriction" type="long" value="1" />
  </variable>
  <variable name="qc_heptachlorepoxide" shape="qc_heptachlorepoxide_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_heptachlorepoxide" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_indeno_123cd_perylene" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_indeno_123cd_perylene_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="v_indeno_123cd_perylene_qc v_indeno_123cd_perylene_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2026-04-10T10:53:03.854540Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1w" />
    <attribute name="ebas_station_code" value="RU0002R" />
    <attribute name="ebas_platform_code" value="RU0002S" />
    <attribute name="ebas_station_name" value="Amderma" />
    <attribute name="ebas_station_latitude" type="double" value="69.716667" />
    <attribute name="ebas_station_longitude" type="double" value="61.616667" />
    <attribute name="ebas_station_altitude" value="100.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="indeno_123cd_perylene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="RU06L" />
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    <attribute name="ebas_instrument_name" value="hvs_ru0002" />
    <attribute name="ebas_analytical_laboratory_code" value="RU06L" />
    <attribute name="ebas_analytical_measurement_technique" value="GC-HRMS" />
    <attribute name="ebas_analytical_instrument_name" value="agilent_gc_hrms" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Agilent" />
    <attribute name="ebas_analytical_instrument_model" value="7200 Accurate Mass Q-TOF" />
    <attribute name="ebas_method_ref" value="RU06L_agilent_gc_hrms" />
    <attribute name="ebas_inlet_description" value="Downward facing" />
    <attribute name="ebas_flow_rate" value="1113.0 l/min" />
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    <attribute name="ebas_medium" value="Glass fiber+PUF+PUF" />
    <attribute name="ebas_sample_preparation" value="Soxhlet+Hexane+Acetone+13C+Silica+Al2O3" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
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    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with sampling head" />
    <attribute name="ebas_detection_limit" value="0.01 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if below detection limit, flagged with 781" />
    <attribute name="ebas_organization" value="RU06L, Federal State Budgetary Institution, RPA Typhoon, Research and Production Association Typhoon, 4 Pobedy street, Kaluga region, 249038, Obninsk, Russia" />
    <attribute name="ebas_framework_acronym" value="AMAP" />
    <attribute name="ebas_framework_name" value="" />
    <attribute name="ebas_framework_description" value="" />
    <attribute name="ebas_framework_contact_name" value="Wenche Aas" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Samsonov, Dmitri, , , , , , , , , &quot;, &quot;Zapevalov, Mikhail, , , , , , , , , &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 framework: AMAP." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticleindeno-1-2-3-cdperylenemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle indeno(1,2,3-cd)perylene mass concentration" />
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    <attribute name="actris_matrix_preferred_term" value="aerosol particle phase" />
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    <attribute name="actris_temporal_resolution" value="P28D" />
    <attribute name="actris_access_restriction" type="long" value="1" />
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  <variable name="qc_indeno_123cd_perylene" shape="qc_indeno_123cd_perylene_flags time" type="int">
    <attribute name="units" value="1" />
    <attribute name="_FillValue" type="int" value="0" />
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    <attribute name="missing_value" type="int" value="0" />
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  <variable name="meta_indeno_123cd_perylene" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_naphthalene" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_naphthalene_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="v_naphthalene_qc v_naphthalene_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2019-03-01T11:48:43.000000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1w" />
    <attribute name="ebas_station_code" value="RU0002R" />
    <attribute name="ebas_platform_code" value="RU0002S" />
    <attribute name="ebas_station_name" value="Amderma" />
    <attribute name="ebas_station_latitude" type="double" value="69.716667" />
    <attribute name="ebas_station_longitude" type="double" value="61.616667" />
    <attribute name="ebas_station_altitude" value="100.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="naphthalene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="RU06L" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="hvs_ru0002" />
    <attribute name="ebas_analytical_laboratory_code" value="RU06L" />
    <attribute name="ebas_analytical_measurement_technique" value="GC-HRMS" />
    <attribute name="ebas_analytical_instrument_name" value="agilent_gc_hrms" />
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    <attribute name="ebas_analytical_instrument_model" value="7200 Accurate Mass Q-TOF" />
    <attribute name="ebas_method_ref" value="RU06L_agilent_gc_hrms" />
    <attribute name="ebas_inlet_description" value="Downward facing" />
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    <attribute name="ebas_medium" value="Glass fiber+PUF+PUF" />
    <attribute name="ebas_sample_preparation" value="Soxhlet+Hexane+Acetone+13C+Silica+Al2O3" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
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    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with sampling head" />
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    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if below detection limit, flagged with 781" />
    <attribute name="ebas_organization" value="RU06L, Federal State Budgetary Institution, RPA Typhoon, Research and Production Association Typhoon, 4 Pobedy street, Kaluga region, 249038, Obninsk, Russia" />
    <attribute name="ebas_framework_acronym" value="AMAP" />
    <attribute name="ebas_framework_name" value="" />
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    <attribute name="ebas_framework_contact_name" value="Wenche Aas" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Samsonov, Dmitri, , , , , , , , , &quot;, &quot;Zapevalov, Mikhail, , , , , , , , , &quot;" />
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    <attribute name="actris_variable_preferred_term" value="aerosol particle naphthalene mass concentration" />
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    <attribute name="actris_access_restriction" type="long" value="1" />
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  <variable name="qc_naphthalene" shape="qc_naphthalene_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_octachlorostyrene" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_octachlorostyrene_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pg/m3" />
    <attribute name="ancillary_variables" value="v_octachlorostyrene_qc v_octachlorostyrene_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2019-03-01T11:48:43.000000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1w" />
    <attribute name="ebas_station_code" value="RU0002R" />
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    <attribute name="ebas_station_name" value="Amderma" />
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    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="octachlorostyrene" />
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    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
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    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if below detection limit, flagged with 781" />
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    <attribute name="ebas_framework_name" value="" />
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    <attribute name="ebas_framework_contact_email" value="waa@nilu.no" />
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    <attribute name="actris_variable_preferred_term" value="aerosol particle octachlorostyrene mass concentration" />
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    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pg/m3" />
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    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2026-04-10T10:53:03.854540Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1w" />
    <attribute name="ebas_station_code" value="RU0002R" />
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    <attribute name="ebas_station_name" value="Amderma" />
    <attribute name="ebas_station_latitude" type="double" value="69.716667" />
    <attribute name="ebas_station_longitude" type="double" value="61.616667" />
    <attribute name="ebas_station_altitude" value="100.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="op_DDD" />
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    <attribute name="ebas_laboratory_code" value="RU06L" />
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    <attribute name="ebas_analytical_instrument_name" value="agilent_gc_hrms" />
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    <attribute name="ebas_framework_name" value="" />
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    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticleo-p-DDDmassconcentration" />
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