HDF5 file, superblock version 2
group /
	attribute Conventions = "CF-1.8, ACDD-1.3"
	attribute acknowledgement = "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: GAW-WDCA, NOAA-ESRL. Request acknowledgement details from data originator"
	attribute citation = "Sharma, S., GAW-WDCA, NOAA-ESRL, 2026, Particle_number_concentration at Alert, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/BS37-NV9E"
	attribute contributor_name = "Sangeeta Sharma"
	attribute contributor_role = "data submitter"
	attribute creator_email = "sangeeta.sharma@canada.ca"
	attribute creator_institution = "\"Climate Chemistry Measurements Research, Environment Canada, EC\""
	attribute creator_name = "Sangeeta Sharma"
	attribute creator_type = "person"
	attribute date_created = "2026-07-27T13:47:30.728847Z"
	attribute date_metadata_modified = "2026-07-27T13:47:30Z"
	attribute doi = "https://doi.org/10.48597/BS37-NV9E"
	attribute ebas_acknowledgement = "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: GAW-WDCA, NOAA-ESRL. Request acknowledgement details from data originator"
	attribute ebas_citation = "Sharma, S., GAW-WDCA, NOAA-ESRL, 2026, Particle_number_concentration at Alert, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/BS37-NV9E"
	attribute ebas_comment = "Adjustments to STP use Sample-T=12C, Sample-P=990hPa"
	attribute ebas_component = "particle_number_concentration"
	attribute ebas_contains_doi = "https://doi.org/10.48597/BS37-NV9E"
	attribute ebas_data_definition = "EBAS_1.1"
	attribute ebas_data_level = "2"
	attribute ebas_data_license = "https://creativecommons.org/licenses/by/4.0/"
	attribute ebas_export_filter = "exclude-900,exclude-invalid"
	attribute ebas_export_state = "2026-07-27T13:47:30.728847Z"
	attribute ebas_file_creation = "2026-07-27T13:52:02.128893Z"
	attribute ebas_file_name = "BS37-NV9E.nc"
	attribute ebas_framework_acronym = "GAW-WDCA, NOAA-ESRL"
	attribute ebas_framework_contact_email = "Markus.Fiebig@nilu.no, Markus.Fiebig@nilu.no"
	attribute ebas_framework_contact_name = "Markus Fiebig, Markus Fiebig"
	attribute ebas_framework_description = "\"The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.\", "
	attribute ebas_framework_name = "World Data Centre for Aerosols, "
	attribute ebas_inlet_type = "Hat or hood"
	attribute ebas_instrument_manufacturer = "TSI"
	attribute ebas_instrument_model = "3772"
	attribute ebas_instrument_name = "TSI_3772_ALT"
	attribute ebas_instrument_serial_number = "71033080"
	attribute ebas_instrument_type = "cpc"
	attribute ebas_laboratory_code = "CA01L"
	attribute ebas_matrix = "aerosol"
	attribute ebas_measurement_altitude = "2182.0 m"
	attribute ebas_measurement_height = "210.0 m"
	attribute ebas_measurement_latitude = 82.499146
	attribute ebas_measurement_longitude = -62.341526
	attribute ebas_method_ref = "CA01L_cpc_ref"
	attribute ebas_organization = "CA01L, Environment Canada, EC/AES, Atmospheric Environmental Service, 4905 Dufferin Street, , M3H 5T4, \"Downsview, Ontario\", Canada"
	attribute ebas_orig_time_res = "1mn"
	attribute ebas_originator = "\"Sharma, Sangeeta, sangeeta.sharma@canada.ca, \"\"Climate Chemistry Measurements Research, Environment Canada\"\", EC, , 4905 Dufferin Street, , M3H 5T4, \"\"Downsview, Ontario\"\", Canada\""
	attribute ebas_period_code = "10y"
	attribute ebas_platform_code = "CA0420S"
	attribute ebas_regime = "IMG"
	attribute ebas_represents_doi = "https://doi.org/10.48597/BS37-NV9E"
	attribute ebas_resolution_code = "1h"
	attribute ebas_revision_date = "2026-07-27T13:47:30.728847Z"
	attribute ebas_sample_duration = "1h"
	attribute ebas_set_type_code = "TU"
	attribute ebas_standard_method = "None"
	attribute ebas_startdate = "2011-01-01T00:00:00.000000Z"
	attribute ebas_station_altitude = "210.0 m"
	attribute ebas_station_code = "CA0420G"
	attribute ebas_station_gaw_id = "ALT"
	attribute ebas_station_gaw_name = "Alert"
	attribute ebas_station_gaw_type = "G"
	attribute ebas_station_land_use = "Military reservation"
	attribute ebas_station_latitude = 82.4991455078
	attribute ebas_station_longitude = -62.3415260315
	attribute ebas_station_name = "Alert"
	attribute ebas_station_setting = "Polar"
	attribute ebas_station_state_province = "NU"
	attribute ebas_station_wdca_id = "GAWACANUALT"
	attribute ebas_station_wmo_region = 4
	attribute ebas_submitter = "\"Sharma, Sangeeta, sangeeta.sharma@canada.ca, \"\"Climate Chemistry Measurements Research, Environment Canada\"\", EC, , 4905 Dufferin Street, , M3H 5T4, \"\"Downsview, Ontario\"\", Canada\""
	attribute ebas_timezone = "UTC"
	attribute ebas_unit = "1/cm3"
	attribute ebas_version = "1"
	attribute ebas_volume_std_pressure = "1013.25 hPa"
	attribute ebas_volume_std_temperature = "273.15 K"
	attribute ebas_zero_negative_values = "Zero values may appear due to statistical variations at very low concentrations"
	attribute ebas_zero_negative_values_code = "Zero possible"
	attribute featureType = "timeSeries"
	attribute geospatial_bounds = "MULTIPOINT Z ((-62.341526 82.499146 2182), (-62.3415260315 82.4991455078 2182))"
	attribute geospatial_bounds_crs = "EPSG:4979"
	attribute geospatial_lat_max = 82.499146
	attribute geospatial_lat_min = 82.4991455078
	attribute geospatial_lon_max = -62.341526
	attribute geospatial_lon_min = -62.3415260315
	attribute geospatial_vertical_max = 2182.0
	attribute geospatial_vertical_min = 2182.0
	attribute geospatial_vertical_positive = "up"
	attribute id = "BS37-NV9E.nc"
	attribute institution = "CA01L \"Environment Canada\" EC/AES \"Atmospheric Environmental Service\" \"4905 Dufferin Street\" \"M3H 5T4\" \"Downsview, Ontario\" Canada"
	attribute keywords = "Alert CA0420G particle_number_concentration aerosol GAW-WDCA NOAA-ESRL number_concentration_of_particles_in_dry_aerosol_particles_in_air"
	attribute license = "https://creativecommons.org/licenses/by/4.0/"
	attribute naming_authority = "no.nilu.ebas"
	attribute processing_level = "2: final (Physical parameters, aggregated (if needed), info on variability recommended, quality assured by human inspection. This is the typical EBAS data level meant for dissemination and long term preservation.)"
	attribute project = "GAW-WDCA, NOAA-ESRL"
	attribute publisher_email = "ebas@nilu.no"
	attribute publisher_institution = "NILU - Norwegian Institute for Air Research, ATMOS, EBAS"
	attribute publisher_name = "NILU - Norwegian Institute for Air Research, ATMOS, EBAS"
	attribute publisher_type = "institution"
	attribute publisher_url = "http://ebas.nilu.no/"
	attribute source = "surface observation"
	attribute summary = "Particle_number_concentration at Alert. These measurements are gathered as a part of the following projects GAW-WDCA, NOAA-ESRL and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: ['particle_number_concentration in aerosol (number_concentration_of_particles_in_dry_aerosol_particles_in_air)']"
	attribute time_coverage_duration = "P0010-00-00T00:00:00"
	attribute time_coverage_end = "2021-01-01T00:00:00Z"
	attribute time_coverage_resolution = "P0000-00-00T01:00:00"
	attribute time_coverage_start = "2011-01-01T00:00:00Z"
	attribute timezone = "UTC"
	attribute title = "Particle_number_concentration at Alert"
dataset /meta_particle_number_concentration_amean: string, shape (10)
	attribute long_name = "ebas metadata for different time intervals; json encoded"
dataset /meta_particle_number_concentration_perc8413: string, shape (10)
	attribute long_name = "ebas metadata for different time intervals; json encoded"
dataset /meta_particle_number_concentration_prec1587: string, shape (10)
	attribute long_name = "ebas metadata for different time intervals; json encoded"
dataset /metadata_time: float64, shape (10)
	attribute axis = "T"
	attribute bounds = "metadata_time_bnds"
	attribute calendar = "standard"
	attribute long_name = "time of ebas metadata intervals"
	attribute standard_name = "time"
	attribute units = "days since 1900-01-01T00:00:00Z"
// metadata_time: first 40724.5, last 44012.0, count 10
dataset /metadata_time_bnds: float64, shape (10, 2)
	attribute long_name = "time bounds for ebas metadata intervals"
dataset /qc_particle_number_concentration_amean: int32, shape (2, 87672)
	attribute _FillValue = 0
	attribute missing_value = 0
	attribute standard_name = "status_flag"
	attribute units = "1"
dataset /qc_particle_number_concentration_amean_flags: float32, shape (2)
dataset /qc_particle_number_concentration_perc8413: int32, shape (2, 87672)
	attribute _FillValue = 0
	attribute missing_value = 0
	attribute standard_name = "status_flag"
	attribute units = "1"
dataset /qc_particle_number_concentration_perc8413_flags: float32, shape (2)
dataset /qc_particle_number_concentration_prec1587: int32, shape (2, 87672)
	attribute _FillValue = 0
	attribute missing_value = 0
	attribute standard_name = "status_flag"
	attribute units = "1"
dataset /qc_particle_number_concentration_prec1587_flags: float32, shape (2)
dataset /tbnds: float32, shape (2)
dataset /time: float64, shape (87672)
	attribute axis = "T"
	attribute bounds = "time_bnds"
	attribute calendar = "standard"
	attribute long_name = "time of measurement"
	attribute standard_name = "time"
	attribute units = "days since 1900-01-01T00:00:00Z"
// time: first 40542.020833333336, last 44194.979166666664, count 87672
dataset /time_bnds: float64, shape (87672, 2)
	attribute long_name = "time bounds for measurement"
dataset /v_particle_number_concentration_amean: float64, shape (87672)
	attribute _FillValue = nan
	attribute actris_access_restriction = 0
	attribute actris_framework_preferred_term = "GAW-WDCA, NOAA-ESRL"
	attribute actris_framework_uri = "https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCA, https://vocabulary.actris.nilu.no/actris_controlled_lists/NOAA-ESRL"
	attribute actris_instrument_type_preferred_term = "condensation particle counter"
	attribute actris_instrument_type_uri = "https://vocabulary.actris.nilu.no/actris_vocab/condensationparticlecounter"
	attribute actris_matrix_preferred_term = "aerosol particle phase"
	attribute actris_matrix_uri = "https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlephase"
	attribute actris_temporal_resolution = "PT1H"
	attribute actris_timeliness_preferred_term = "scheduled"
	attribute actris_timeliness_uri = "https://vocabulary.actris.nilu.no/actris_vocab/scheduled"
	attribute actris_variable_preferred_term = "aerosol particle number concentration"
	attribute actris_variable_uri = "https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlenumberconcentration"
	attribute ancillary_variables = "qc_particle_number_concentration_amean meta_particle_number_concentration_amean"
	attribute cell_methods = "time: mean"
	attribute ebas_acknowledgement = "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: GAW-WDCA, NOAA-ESRL. Request acknowledgement details from data originator"
	attribute ebas_comment = "Adjustments to STP use Sample-T=12C, Sample-P=990hPa"
	attribute ebas_component = "particle_number_concentration"
	attribute ebas_data_level = "2"
	attribute ebas_data_license = "https://creativecommons.org/licenses/by/4.0/"
	attribute ebas_framework_acronym = "GAW-WDCA, NOAA-ESRL"
	attribute ebas_framework_contact_email = "Markus.Fiebig@nilu.no, Markus.Fiebig@nilu.no"
	attribute ebas_framework_contact_name = "Markus Fiebig, Markus Fiebig"
	attribute ebas_framework_description = "\"The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.\", "
	attribute ebas_framework_name = "World Data Centre for Aerosols, "
	attribute ebas_inlet_type = "Hat or hood"
	attribute ebas_instrument_manufacturer = "TSI"
	attribute ebas_instrument_model = "3772"
	attribute ebas_instrument_name = "TSI_3772_ALT"
	attribute ebas_instrument_serial_number = "71033080"
	attribute ebas_instrument_type = "cpc"
	attribute ebas_laboratory_code = "CA01L"
	attribute ebas_matrix = "aerosol"
	attribute ebas_measurement_altitude = "2182.0 m"
	attribute ebas_measurement_height = "210.0 m"
	attribute ebas_measurement_latitude = 82.499146
	attribute ebas_measurement_longitude = -62.341526
	attribute ebas_method_ref = "CA01L_cpc_ref"
	attribute ebas_organization = "CA01L, Environment Canada, EC/AES, Atmospheric Environmental Service, 4905 Dufferin Street, , M3H 5T4, \"Downsview, Ontario\", Canada"
	attribute ebas_orig_time_res = "1mn"
	attribute ebas_originator = "\"Sharma, Sangeeta, sangeeta.sharma@canada.ca, \"\"Climate Chemistry Measurements Research, Environment Canada\"\", EC, , 4905 Dufferin Street, , M3H 5T4, \"\"Downsview, Ontario\"\", Canada\""
	attribute ebas_platform_code = "CA0420S"
	attribute ebas_regime = "IMG"
	attribute ebas_revision_date = "2026-07-27T13:47:30.728847Z"
	attribute ebas_sample_duration = "1h"
	attribute ebas_standard_method = "None"
	attribute ebas_station_altitude = "210.0 m"
	attribute ebas_station_code = "CA0420G"
	attribute ebas_station_gaw_id = "ALT"
	attribute ebas_station_gaw_name = "Alert"
	attribute ebas_station_gaw_type = "G"
	attribute ebas_station_land_use = "Military reservation"
	attribute ebas_station_latitude = 82.4991455078
	attribute ebas_station_longitude = -62.3415260315
	attribute ebas_station_name = "Alert"
	attribute ebas_station_setting = "Polar"
	attribute ebas_station_state_province = "NU"
	attribute ebas_station_wdca_id = "GAWACANUALT"
	attribute ebas_station_wmo_region = 4
	attribute ebas_statistics = "arithmetic mean"
	attribute ebas_submitter = "\"Sharma, Sangeeta, sangeeta.sharma@canada.ca, \"\"Climate Chemistry Measurements Research, Environment Canada\"\", EC, , 4905 Dufferin Street, , M3H 5T4, \"\"Downsview, Ontario\"\", Canada\""
	attribute ebas_unit = "1/cm3"
	attribute ebas_version = "1"
	attribute ebas_volume_std_pressure = "1013.25 hPa"
	attribute ebas_volume_std_temperature = "273.15 K"
	attribute ebas_zero_negative_values = "Zero values may appear due to statistical variations at very low concentrations"
	attribute ebas_zero_negative_values_code = "Zero possible"
	attribute missing_value = nan
	attribute standard_name = "number_concentration_of_particles_in_dry_aerosol_particles_in_air"
	attribute units = "1/cm3"
dataset /v_particle_number_concentration_perc8413: float64, shape (87672)
	attribute _FillValue = nan
	attribute actris_access_restriction = 0
	attribute actris_framework_preferred_term = "GAW-WDCA, NOAA-ESRL"
	attribute actris_framework_uri = "https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCA, https://vocabulary.actris.nilu.no/actris_controlled_lists/NOAA-ESRL"
	attribute actris_instrument_type_preferred_term = "condensation particle counter"
	attribute actris_instrument_type_uri = "https://vocabulary.actris.nilu.no/actris_vocab/condensationparticlecounter"
	attribute actris_matrix_preferred_term = "aerosol particle phase"
	attribute actris_matrix_uri = "https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlephase"
	attribute actris_temporal_resolution = "PT1H"
	attribute actris_timeliness_preferred_term = "scheduled"
	attribute actris_timeliness_uri = "https://vocabulary.actris.nilu.no/actris_vocab/scheduled"
	attribute actris_variable_preferred_term = "aerosol particle number concentration"
	attribute actris_variable_uri = "https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlenumberconcentration"
	attribute ancillary_variables = "qc_particle_number_concentration_perc8413 meta_particle_number_concentration_perc8413"
	attribute cell_methods = "time: percentile:84.13"
	attribute ebas_acknowledgement = "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: GAW-WDCA, NOAA-ESRL. Request acknowledgement details from data originator"
	attribute ebas_comment = "Adjustments to STP use Sample-T=12C, Sample-P=990hPa"
	attribute ebas_component = "particle_number_concentration"
	attribute ebas_data_level = "2"
	attribute ebas_data_license = "https://creativecommons.org/licenses/by/4.0/"
	attribute ebas_framework_acronym = "GAW-WDCA, NOAA-ESRL"
	attribute ebas_framework_contact_email = "Markus.Fiebig@nilu.no, Markus.Fiebig@nilu.no"
	attribute ebas_framework_contact_name = "Markus Fiebig, Markus Fiebig"
	attribute ebas_framework_description = "\"The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.\", "
	attribute ebas_framework_name = "World Data Centre for Aerosols, "
	attribute ebas_inlet_type = "Hat or hood"
	attribute ebas_instrument_manufacturer = "TSI"
	attribute ebas_instrument_model = "3772"
	attribute ebas_instrument_name = "TSI_3772_ALT"
	attribute ebas_instrument_serial_number = "71033080"
	attribute ebas_instrument_type = "cpc"
	attribute ebas_laboratory_code = "CA01L"
	attribute ebas_matrix = "aerosol"
	attribute ebas_measurement_altitude = "2182.0 m"
	attribute ebas_measurement_height = "210.0 m"
	attribute ebas_measurement_latitude = 82.499146
	attribute ebas_measurement_longitude = -62.341526
	attribute ebas_method_ref = "CA01L_cpc_ref"
	attribute ebas_organization = "CA01L, Environment Canada, EC/AES, Atmospheric Environmental Service, 4905 Dufferin Street, , M3H 5T4, \"Downsview, Ontario\", Canada"
	attribute ebas_orig_time_res = "1mn"
	attribute ebas_originator = "\"Sharma, Sangeeta, sangeeta.sharma@canada.ca, \"\"Climate Chemistry Measurements Research, Environment Canada\"\", EC, , 4905 Dufferin Street, , M3H 5T4, \"\"Downsview, Ontario\"\", Canada\""
	attribute ebas_platform_code = "CA0420S"
	attribute ebas_regime = "IMG"
	attribute ebas_revision_date = "2026-07-27T13:47:30.728847Z"
	attribute ebas_sample_duration = "1h"
	attribute ebas_standard_method = "None"
	attribute ebas_station_altitude = "210.0 m"
	attribute ebas_station_code = "CA0420G"
	attribute ebas_station_gaw_id = "ALT"
	attribute ebas_station_gaw_name = "Alert"
	attribute ebas_station_gaw_type = "G"
	attribute ebas_station_land_use = "Military reservation"
	attribute ebas_station_latitude = 82.4991455078
	attribute ebas_station_longitude = -62.3415260315
	attribute ebas_station_name = "Alert"
	attribute ebas_station_setting = "Polar"
	attribute ebas_station_state_province = "NU"
	attribute ebas_station_wdca_id = "GAWACANUALT"
	attribute ebas_station_wmo_region = 4
	attribute ebas_statistics = "percentile:84.13"
	attribute ebas_submitter = "\"Sharma, Sangeeta, sangeeta.sharma@canada.ca, \"\"Climate Chemistry Measurements Research, Environment Canada\"\", EC, , 4905 Dufferin Street, , M3H 5T4, \"\"Downsview, Ontario\"\", Canada\""
	attribute ebas_unit = "1/cm3"
	attribute ebas_version = "1"
	attribute ebas_volume_std_pressure = "1013.25 hPa"
	attribute ebas_volume_std_temperature = "273.15 K"
	attribute ebas_zero_negative_values = "Zero values may appear due to statistical variations at very low concentrations"
	attribute ebas_zero_negative_values_code = "Zero possible"
	attribute missing_value = nan
	attribute standard_name = "number_concentration_of_particles_in_dry_aerosol_particles_in_air"
	attribute units = "1/cm3"
dataset /v_particle_number_concentration_prec1587: float64, shape (87672)
	attribute _FillValue = nan
	attribute actris_access_restriction = 0
	attribute actris_framework_preferred_term = "GAW-WDCA, NOAA-ESRL"
	attribute actris_framework_uri = "https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCA, https://vocabulary.actris.nilu.no/actris_controlled_lists/NOAA-ESRL"
	attribute actris_instrument_type_preferred_term = "condensation particle counter"
	attribute actris_instrument_type_uri = "https://vocabulary.actris.nilu.no/actris_vocab/condensationparticlecounter"
	attribute actris_matrix_preferred_term = "aerosol particle phase"
	attribute actris_matrix_uri = "https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlephase"
	attribute actris_temporal_resolution = "PT1H"
	attribute actris_timeliness_preferred_term = "scheduled"
	attribute actris_timeliness_uri = "https://vocabulary.actris.nilu.no/actris_vocab/scheduled"
	attribute actris_variable_preferred_term = "aerosol particle number concentration"
	attribute actris_variable_uri = "https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlenumberconcentration"
	attribute ancillary_variables = "qc_particle_number_concentration_prec1587 meta_particle_number_concentration_prec1587"
	attribute cell_methods = "time: percentile:15.87"
	attribute ebas_acknowledgement = "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: GAW-WDCA, NOAA-ESRL. Request acknowledgement details from data originator"
	attribute ebas_comment = "Adjustments to STP use Sample-T=12C, Sample-P=990hPa"
	attribute ebas_component = "particle_number_concentration"
	attribute ebas_data_level = "2"
	attribute ebas_data_license = "https://creativecommons.org/licenses/by/4.0/"
	attribute ebas_framework_acronym = "GAW-WDCA, NOAA-ESRL"
	attribute ebas_framework_contact_email = "Markus.Fiebig@nilu.no, Markus.Fiebig@nilu.no"
	attribute ebas_framework_contact_name = "Markus Fiebig, Markus Fiebig"
	attribute ebas_framework_description = "\"The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.\", "
	attribute ebas_framework_name = "World Data Centre for Aerosols, "
	attribute ebas_inlet_type = "Hat or hood"
	attribute ebas_instrument_manufacturer = "TSI"
	attribute ebas_instrument_model = "3772"
	attribute ebas_instrument_name = "TSI_3772_ALT"
	attribute ebas_instrument_serial_number = "71033080"
	attribute ebas_instrument_type = "cpc"
	attribute ebas_laboratory_code = "CA01L"
	attribute ebas_matrix = "aerosol"
	attribute ebas_measurement_altitude = "2182.0 m"
	attribute ebas_measurement_height = "210.0 m"
	attribute ebas_measurement_latitude = 82.499146
	attribute ebas_measurement_longitude = -62.341526
	attribute ebas_method_ref = "CA01L_cpc_ref"
	attribute ebas_organization = "CA01L, Environment Canada, EC/AES, Atmospheric Environmental Service, 4905 Dufferin Street, , M3H 5T4, \"Downsview, Ontario\", Canada"
	attribute ebas_orig_time_res = "1mn"
	attribute ebas_originator = "\"Sharma, Sangeeta, sangeeta.sharma@canada.ca, \"\"Climate Chemistry Measurements Research, Environment Canada\"\", EC, , 4905 Dufferin Street, , M3H 5T4, \"\"Downsview, Ontario\"\", Canada\""
	attribute ebas_platform_code = "CA0420S"
	attribute ebas_regime = "IMG"
	attribute ebas_revision_date = "2026-07-27T13:47:30.728847Z"
	attribute ebas_sample_duration = "1h"
	attribute ebas_standard_method = "None"
	attribute ebas_station_altitude = "210.0 m"
	attribute ebas_station_code = "CA0420G"
	attribute ebas_station_gaw_id = "ALT"
	attribute ebas_station_gaw_name = "Alert"
	attribute ebas_station_gaw_type = "G"
	attribute ebas_station_land_use = "Military reservation"
	attribute ebas_station_latitude = 82.4991455078
	attribute ebas_station_longitude = -62.3415260315
	attribute ebas_station_name = "Alert"
	attribute ebas_station_setting = "Polar"
	attribute ebas_station_state_province = "NU"
	attribute ebas_station_wdca_id = "GAWACANUALT"
	attribute ebas_station_wmo_region = 4
	attribute ebas_statistics = "percentile:15.87"
	attribute ebas_submitter = "\"Sharma, Sangeeta, sangeeta.sharma@canada.ca, \"\"Climate Chemistry Measurements Research, Environment Canada\"\", EC, , 4905 Dufferin Street, , M3H 5T4, \"\"Downsview, Ontario\"\", Canada\""
	attribute ebas_unit = "1/cm3"
	attribute ebas_version = "1"
	attribute ebas_volume_std_pressure = "1013.25 hPa"
	attribute ebas_volume_std_temperature = "273.15 K"
	attribute ebas_zero_negative_values = "Zero values may appear due to statistical variations at very low concentrations"
	attribute ebas_zero_negative_values_code = "Zero possible"
	attribute missing_value = nan
	attribute standard_name = "number_concentration_of_particles_in_dry_aerosol_particles_in_air"
	attribute units = "1/cm3"