'Carbon dioxide, fossil' (kilogram, None, ('air', 'low population density, long-term')) 1.0
'Carbon dioxide, fossil' (kilogram, None, ('air', 'lower stratosphere + upper troposphere')) 1.0
'Carbon dioxide, fossil' (kilogram, None, ('air', 'non-urban air or from high stacks')) 1.0
'Carbon dioxide, fossil' (kilogram, None, ('air',)) 1.0
'Carbon dioxide, fossil' (kilogram, None, ('air', 'urban air close to ground')) 1.0
'Carbon dioxide, from soil or biomass stock' (kilogram, None, ('air', 'low population density, long-term')) 1.0
'Carbon dioxide, from soil or biomass stock' (kilogram, None, ('air', 'lower stratosphere + upper troposphere')) 1.0
'Carbon dioxide, from soil or biomass stock' (kilogram, None, ('air', 'non-urban air or from high stacks')) 1.0
'Carbon dioxide, from soil or biomass stock' (kilogram, None, ('air',)) 1.0
'Carbon dioxide, from soil or biomass stock' (kilogram, None, ('air', 'urban air close to ground')) 1.0
'Carbon dioxide, to soil or biomass stock' (kilogram, None, ('soil', 'agricultural')) -1.0
'Carbon dioxide, to soil or biomass stock' (kilogram, None, ('soil', 'forestry')) -1.0
'Carbon dioxide, to soil or biomass stock' (kilogram, None, ('soil', 'industrial')) -1.0
'Carbon dioxide, to soil or biomass stock' (kilogram, None, ('soil',)) -1.0
'Carbon monoxide, fossil' (kilogram, None, ('air', 'low population density, long-term')) 4.0624
'Carbon monoxide, fossil' (kilogram, None, ('air', 'lower stratosphere + upper troposphere')) 4.0624
'Carbon monoxide, fossil' (kilogram, None, ('air', 'non-urban air or from high stacks')) 4.0624
'Carbon monoxide, fossil' (kilogram, None, ('air',)) 4.0624
'Carbon monoxide, fossil' (kilogram, None, ('air', 'urban air close to ground')) 4.0624
'Carbon monoxide, from soil or biomass stock' (kilogram, None, ('air', 'low population density, long-term')) 4.0624
'Carbon monoxide, from soil or biomass stock' (kilogram, None, ('air', 'lower stratosphere + upper troposphere')) 4.0624
'Carbon monoxide, from soil or biomass stock' (kilogram, None, ('air', 'non-urban air or from high stacks')) 4.0624
'Carbon monoxide, from soil or biomass stock' (kilogram, None, ('air',)) 4.0624
'Carbon monoxide, from soil or biomass stock' (kilogram, None, ('air', 'urban air close to ground')) 4.0624
'Carbon monoxide, non-fossil' (kilogram, None, ('air', 'low population density, long-term')) 2.491
'Carbon monoxide, non-fossil' (kilogram, None, ('air', 'lower stratosphere + upper troposphere')) 2.491
'Carbon monoxide, non-fossil' (kilogram, None, ('air', 'non-urban air or from high stacks')) 2.491
'Carbon monoxide, non-fossil' (kilogram, None, ('air',)) 2.491
'Carbon monoxide, non-fossil' (kilogram, None, ('air', 'urban air close to ground')) 2.491
'Chloroform' (kilogram, None, ('air', 'low population density, long-term')) 16.40180896
'Chloroform' (kilogram, None, ('air', 'lower stratosphere + upper troposphere')) 16.40180896
'Chloroform' (kilogram, None, ('air', 'non-urban air or from high stacks')) 16.40180896
'Chloroform' (kilogram, None, ('air',)) 16.40180896
'Chloroform' (kilogram, None, ('air', 'urban air close to ground')) 16.40180896
'Dinitrogen monoxide' (kilogram, None, ('air', 'low population density, long-term')) 264.8
'Dinitrogen monoxide' (kilogram, None, ('air', 'lower stratosphere + upper troposphere')) 264.8
'Dinitrogen monoxide' (kilogram, None, ('air', 'non-urban air or from high stacks')) 264.8
'Dinitrogen monoxide' (kilogram, None, ('air',)) 264.8
'Dinitrogen monoxide' (kilogram, None, ('air', 'urban air close to ground')) 264.8
'Ethane, 1,1,1,2-tetrafluoro-, HFC-134a' (kilogram, None, ('air', 'low population density, long-term')) 1301.27019996
'Ethane, 1,1,1,2-tetrafluoro-, HFC-134a' (kilogram, None, ('air', 'lower stratosphere + upper troposphere')) 1301.27019996
'Ethane, 1,1,1,2-tetrafluoro-, HFC-134a' (kilogram, None, ('air', 'non-urban air or from high stacks')) 1301.27019996
'Ethane, 1,1,1,2-tetrafluoro-, HFC-134a' (kilogram, None, ('air',)) 1301.27019996
'Ethane, 1,1,1,2-tetrafluoro-, HFC-134a' (kilogram, None, ('air', 'urban air close to ground')) 1301.27019996
'Ethane, 1,1,1-trichloro-, HCFC-140' (kilogram, None, ('air', 'low population density, long-term')) 160.09863099
'Ethane, 1,1,1-trichloro-, HCFC-140' (kilogram, None, ('air', 'lower stratosphere + upper troposphere')) 160.09863099
'Ethane, 1,1,1-trichloro-, HCFC-140' (kilogram, None, ('air', 'non-urban air or from high stacks')) 160.09863099
'Ethane, 1,1,1-trichloro-, HCFC-140' (kilogram, None, ('air',)) 160.09863099
'Ethane, 1,1,1-trichloro-, HCFC-140' (kilogram, None, ('air', 'urban air close to ground')) 160.09863099
'Ethane, 1,1,1-trifluoro-, HFC-143a' (kilogram, None, ('air', 'low population density, long-term')) 4804.43907777
'Ethane, 1,1,1-trifluoro-, HFC-143a' (kilogram, None, ('air', 'lower stratosphere + upper troposphere')) 4804.43907777
'Ethane, 1,1,1-trifluoro-, HFC-143a' (kilogram, None, ('air', 'non-urban air or from high stacks')) 4804.43907777
'Ethane, 1,1,1-trifluoro-, HFC-143a' (kilogram, None, ('air',)) 4804.43907777
'Ethane, 1,1,1-trifluoro-, HFC-143a' (kilogram, None, ('air', 'urban air close to ground')) 4804.43907777
'Ethane, 1,1,2-trichloro-1,2,2-trifluoro-, CFC-113' (kilogram, None, ('air', 'low population density, long-term')) 5823.72618701
'Ethane, 1,1,2-trichloro-1,2,2-trifluoro-, CFC-113' (kilogram, None, ('air', 'lower stratosphere + upper troposphere')) 5823.72618701
'Ethane, 1,1,2-trichloro-1,2,2-trifluoro-, CFC-113' (kilogram, None, ('air', 'non-urban air or from high stacks')) 5823.72618701
'Ethane, 1,1,2-trichloro-1,2,2-trifluoro-, CFC-113' (kilogram, None, ('air',)) 5823.72618701
'Ethane, 1,1,2-trichloro-1,2,2-trifluoro-, CFC-113' (kilogram, None, ('air', 'urban air close to ground')) 5823.72618701
'Ethane, 1,1-dichloro-1-fluoro-, HCFC-141b' (kilogram, None, ('air', 'low population density, long-term')) 782.03725986
'Ethane, 1,1-dichloro-1-fluoro-, HCFC-141b' (kilogram, None, ('air', 'lower stratosphere + upper troposphere')) 782.03725986
'Ethane, 1,1-dichloro-1-fluoro-, HCFC-141b' (kilogram, None, ('air', 'non-urban air or from high stacks')) 782.03725986
'Ethane, 1,1-dichloro-1-fluoro-, HCFC-141b' (kilogram, None, ('air',)) 782.03725986
'Ethane, 1,1-dichloro-1-fluoro-, HCFC-141b' (kilogram, None, ('air', 'urban air close to ground')) 782.03725986
'Ethane, 1,1-difluoro-, HFC-152a' (kilogram, None, ('air', 'low population density, long-term')) 137.56020393
'Ethane, 1,1-difluoro-, HFC-152a' (kilogram, None, ('air', 'lower stratosphere + upper troposphere')) 137.56020393
'Ethane, 1,1-difluoro-, HFC-152a' (kilogram, None, ('air', 'non-urban air or from high stacks')) 137.56020393
'Ethane, 1,1-difluoro-, HFC-152a' (kilogram, None, ('air',)) 137.56020393
'Ethane, 1,1-difluoro-, HFC-152a' (kilogram, None, ('air', 'urban air close to ground')) 137.56020393
'Ethane, 1,2-dichloro-' (kilogram, None, ('air', 'low population density, long-term')) 0.89826217
'Ethane, 1,2-dichloro-' (kilogram, None, ('air', 'lower stratosphere + upper troposphere')) 0.89826217
'Ethane, 1,2-dichloro-' (kilogram, None, ('air', 'non-urban air or from high stacks')) 0.89826217
'Ethane, 1,2-dichloro-' (kilogram, None, ('air',)) 0.89826217
'Ethane, 1,2-dichloro-' (kilogram, None, ('air', 'urban air close to ground')) 0.89826217
'Ethane, 1,2-dichloro-1,1,2,2-tetrafluoro-, CFC-114' (kilogram, None, ('air', 'low population density, long-term')) 8592.20208449
'Ethane, 1,2-dichloro-1,1,2,2-tetrafluoro-, CFC-114' (kilogram, None, ('air', 'lower stratosphere + upper troposphere')) 8592.20208449
'Ethane, 1,2-dichloro-1,1,2,2-tetrafluoro-, CFC-114' (kilogram, None, ('air', 'non-urban air or from high stacks')) 8592.20208449
'Ethane, 1,2-dichloro-1,1,2,2-tetrafluoro-, CFC-114' (kilogram, None, ('air',)) 8592.20208449
'Ethane, 1,2-dichloro-1,1,2,2-tetrafluoro-, CFC-114' (kilogram, None, ('air', 'urban air close to ground')) 8592.20208449
'Ethane, 1-chloro-1,1-difluoro-, HCFC-142b' (kilogram, None, ('air', 'low population density, long-term')) 1982.03546266
'Ethane, 1-chloro-1,1-difluoro-, HCFC-142b' (kilogram, None, ('air', 'lower stratosphere + upper troposphere')) 1982.03546266
'Ethane, 1-chloro-1,1-difluoro-, HCFC-142b' (kilogram, None, ('air', 'non-urban air or from high stacks')) 1982.03546266
'Ethane, 1-chloro-1,1-difluoro-, HCFC-142b' (kilogram, None, ('air',)) 1982.03546266
'Ethane, 1-chloro-1,1-difluoro-, HCFC-142b' (kilogram, None, ('air', 'urban air close to ground')) 1982.03546266
'Ethane, 2,2-dichloro-1,1,1-trifluoro-, HCFC-123' (kilogram, None, ('air', 'low population density, long-term')) 79.36717675
'Ethane, 2,2-dichloro-1,1,1-trifluoro-, HCFC-123' (kilogram, None, ('air', 'lower stratosphere + upper troposphere')) 79.36717675
'Ethane, 2,2-dichloro-1,1,1-trifluoro-, HCFC-123' (kilogram, None, ('air', 'non-urban air or from high stacks')) 79.36717675
'Ethane, 2,2-dichloro-1,1,1-trifluoro-, HCFC-123' (kilogram, None, ('air',)) 79.36717675
'Ethane, 2,2-dichloro-1,1,1-trifluoro-, HCFC-123' (kilogram, None, ('air', 'urban air close to ground')) 79.36717675
'Ethane, 2-chloro-1,1,1,2-tetrafluoro-, HCFC-124' (kilogram, None, ('air', 'low population density, long-term')) 526.54777691
'Ethane, 2-chloro-1,1,1,2-tetrafluoro-, HCFC-124' (kilogram, None, ('air', 'lower stratosphere + upper troposphere')) 526.54777691
'Ethane, 2-chloro-1,1,1,2-tetrafluoro-, HCFC-124' (kilogram, None, ('air', 'non-urban air or from high stacks')) 526.54777691
'Ethane, 2-chloro-1,1,1,2-tetrafluoro-, HCFC-124' (kilogram, None, ('air',)) 526.54777691
'Ethane, 2-chloro-1,1,1,2-tetrafluoro-, HCFC-124' (kilogram, None, ('air', 'urban air close to ground')) 526.54777691
'Ethane, chloropentafluoro-, CFC-115' (kilogram, None, ('air', 'low population density, long-term')) 7665.36131656
'Ethane, chloropentafluoro-, CFC-115' (kilogram, None, ('air', 'lower stratosphere + upper troposphere')) 7665.36131656
'Ethane, chloropentafluoro-, CFC-115' (kilogram, None, ('air', 'non-urban air or from high stacks')) 7665.36131656
'Ethane, chloropentafluoro-, CFC-115' (kilogram, None, ('air',)) 7665.36131656
'Ethane, chloropentafluoro-, CFC-115' (kilogram, None, ('air', 'urban air close to ground')) 7665.36131656
'Ethane, hexafluoro-, HFC-116' (kilogram, None, ('air', 'low population density, long-term')) 11123.4939199
'Ethane, hexafluoro-, HFC-116' (kilogram, None, ('air', 'lower stratosphere + upper troposphere')) 11123.4939199
'Ethane, hexafluoro-, HFC-116' (kilogram, None, ('air', 'non-urban air or from high stacks')) 11123.4939199
'Ethane, hexafluoro-, HFC-116' (kilogram, None, ('air',)) 11123.4939199
'Ethane, hexafluoro-, HFC-116' (kilogram, None, ('air', 'urban air close to ground')) 11123.4939199
'Ethane, pentafluoro-, HFC-125' (kilogram, None, ('air', 'low population density, long-term')) 3169.25517622
'Ethane, pentafluoro-, HFC-125' (kilogram, None, ('air', 'lower stratosphere + upper troposphere')) 3169.25517622
'Ethane, pentafluoro-, HFC-125' (kilogram, None, ('air', 'non-urban air or from high stacks')) 3169.25517622
'Ethane, pentafluoro-, HFC-125' (kilogram, None, ('air',)) 3169.25517622
'Ethane, pentafluoro-, HFC-125' (kilogram, None, ('air', 'urban air close to ground')) 3169.25517622
'Methane' (kilogram, None, ('air', 'urban air close to ground')) 29.7
'Methane, bromo-, Halon 1001' (kilogram, None, ('air', 'low population density, long-term')) 2.3545465
'Methane, bromo-, Halon 1001' (kilogram, None, ('air', 'lower stratosphere + upper troposphere')) 2.3545465
'Methane, bromo-, Halon 1001' (kilogram, None, ('air', 'non-urban air or from high stacks')) 2.3545465
'Methane, bromo-, Halon 1001' (kilogram, None, ('air',)) 2.3545465
'Methane, bromo-, Halon 1001' (kilogram, None, ('air', 'urban air close to ground')) 2.3545465
'Methane, bromochlorodifluoro-, Halon 1211' (kilogram, None, ('air', 'low population density, long-term')) 1746.48198701
'Methane, bromochlorodifluoro-, Halon 1211' (kilogram, None, ('air', 'lower stratosphere + upper troposphere')) 1746.48198701
'Methane, bromochlorodifluoro-, Halon 1211' (kilogram, None, ('air', 'non-urban air or from high stacks')) 1746.48198701
'Methane, bromochlorodifluoro-, Halon 1211' (kilogram, None, ('air',)) 1746.48198701
'Methane, bromochlorodifluoro-, Halon 1211' (kilogram, None, ('air', 'urban air close to ground')) 1746.48198701
'Methane, bromotrifluoro-, Halon 1301' (kilogram, None, ('air', 'low population density, long-term')) 6291.62957595
'Methane, bromotrifluoro-, Halon 1301' (kilogram, None, ('air', 'lower stratosphere + upper troposphere')) 6291.62957595
'Methane, bromotrifluoro-, Halon 1301' (kilogram, None, ('air', 'non-urban air or from high stacks')) 6291.62957595
'Methane, bromotrifluoro-, Halon 1301' (kilogram, None, ('air',)) 6291.62957595
'Methane, bromotrifluoro-, Halon 1301' (kilogram, None, ('air', 'urban air close to ground')) 6291.62957595
'Methane, chlorodifluoro-, HCFC-22' (kilogram, None, ('air', 'low population density, long-term')) 1764.62950881
'Methane, chlorodifluoro-, HCFC-22' (kilogram, None, ('air', 'lower stratosphere + upper troposphere')) 1764.62950881
'Methane, chlorodifluoro-, HCFC-22' (kilogram, None, ('air', 'non-urban air or from high stacks')) 1764.62950881
'Methane, chlorodifluoro-, HCFC-22' (kilogram, None, ('air',)) 1764.62950881
'Methane, chlorodifluoro-, HCFC-22' (kilogram, None, ('air', 'urban air close to ground')) 1764.62950881
'Methane, chlorotrifluoro-, CFC-13' (kilogram, None, ('air', 'low population density, long-term')) 13893.352601
'Methane, chlorotrifluoro-, CFC-13' (kilogram, None, ('air', 'lower stratosphere + upper troposphere')) 13893.352601
'Methane, chlorotrifluoro-, CFC-13' (kilogram, None, ('air', 'non-urban air or from high stacks')) 13893.352601
'Methane, chlorotrifluoro-, CFC-13' (kilogram, None, ('air',)) 13893.352601
'Methane, chlorotrifluoro-, CFC-13' (kilogram, None, ('air', 'urban air close to ground')) 13893.352601
'Methane, dichloro-, HCC-30' (kilogram, None, ('air', 'low population density, long-term')) 8.9151946
'Methane, dichloro-, HCC-30' (kilogram, None, ('air', 'lower stratosphere + upper troposphere')) 8.9151946
'Methane, dichloro-, HCC-30' (kilogram, None, ('air', 'non-urban air or from high stacks')) 8.9151946
'Methane, dichloro-, HCC-30' (kilogram, None, ('air',)) 8.9151946
'Methane, dichloro-, HCC-30' (kilogram, None, ('air', 'urban air close to ground')) 8.9151946
'Methane, dichlorodifluoro-, CFC-12' (kilogram, None, ('air', 'low population density, long-term')) 10239.2345992
'Methane, dichlorodifluoro-, CFC-12' (kilogram, None, ('air', 'lower stratosphere + upper troposphere')) 10239.2345992
'Methane, dichlorodifluoro-, CFC-12' (kilogram, None, ('air', 'non-urban air or from high stacks')) 10239.2345992
'Methane, dichlorodifluoro-, CFC-12' (kilogram, None, ('air',)) 10239.2345992
'Methane, dichlorodifluoro-, CFC-12' (kilogram, None, ('air', 'urban air close to ground')) 10239.2345992
'Methane, dichlorofluoro-, HCFC-21' (kilogram, None, ('air', 'low population density, long-term')) 147.66224518
'Methane, dichlorofluoro-, HCFC-21' (kilogram, None, ('air', 'lower stratosphere + upper troposphere')) 147.66224518
'Methane, dichlorofluoro-, HCFC-21' (kilogram, None, ('air', 'non-urban air or from high stacks')) 147.66224518
'Methane, dichlorofluoro-, HCFC-21' (kilogram, None, ('air',)) 147.66224518
'Methane, dichlorofluoro-, HCFC-21' (kilogram, None, ('air', 'urban air close to ground')) 147.66224518
'Methane, difluoro-, HFC-32' (kilogram, None, ('air', 'low population density, long-term')) 676.80778461
'Methane, difluoro-, HFC-32' (kilogram, None, ('air', 'lower stratosphere + upper troposphere')) 676.80778461
'Methane, difluoro-, HFC-32' (kilogram, None, ('air', 'non-urban air or from high stacks')) 676.80778461
'Methane, difluoro-, HFC-32' (kilogram, None, ('air',)) 676.80778461
'Methane, difluoro-, HFC-32' (kilogram, None, ('air', 'urban air close to ground')) 676.80778461
'Methane, fossil' (kilogram, None, ('air', 'low population density, long-term')) 29.7
'Methane, fossil' (kilogram, None, ('air', 'lower stratosphere + upper troposphere')) 29.7
'Methane, fossil' (kilogram, None, ('air', 'non-urban air or from high stacks')) 29.7
'Methane, fossil' (kilogram, None, ('air',)) 29.7
'Methane, fossil' (kilogram, None, ('air', 'urban air close to ground')) 29.7
'Methane, from soil or biomass stock' (kilogram, None, ('air', 'low population density, long-term')) 29.7
'Methane, from soil or biomass stock' (kilogram, None, ('air', 'lower stratosphere + upper troposphere')) 29.7
'Methane, from soil or biomass stock' (kilogram, None, ('air', 'non-urban air or from high stacks')) 29.7
'Methane, from soil or biomass stock' (kilogram, None, ('air',)) 29.7
'Methane, from soil or biomass stock' (kilogram, None, ('air', 'urban air close to ground')) 29.7
'Methane, monochloro-, R-40' (kilogram, None, ('air', 'low population density, long-term')) 12.18322764
'Methane, monochloro-, R-40' (kilogram, None, ('air', 'lower stratosphere + upper troposphere')) 12.18322764
'Methane, monochloro-, R-40' (kilogram, None, ('air', 'non-urban air or from high stacks')) 12.18322764
'Methane, monochloro-, R-40' (kilogram, None, ('air',)) 12.18322764
'Methane, monochloro-, R-40' (kilogram, None, ('air', 'urban air close to ground')) 12.18322764
'Methane, non-fossil' (kilogram, None, ('air', 'low population density, long-term')) 28.5
'Methane, non-fossil' (kilogram, None, ('air', 'lower stratosphere + upper troposphere')) 28.5
'Methane, non-fossil' (kilogram, None, ('air', 'non-urban air or from high stacks')) 28.5
'Methane, non-fossil' (kilogram, None, ('air',)) 28.5
'Methane, non-fossil' (kilogram, None, ('air', 'urban air close to ground')) 28.5
'Methane, tetrachloro-, R-10' (kilogram, None, ('air', 'low population density, long-term')) 1728.47068126
'Methane, tetrachloro-, R-10' (kilogram, None, ('air', 'lower stratosphere + upper troposphere')) 1728.47068126
'Methane, tetrachloro-, R-10' (kilogram, None, ('air', 'non-urban air or from high stacks')) 1728.47068126
'Methane, tetrachloro-, R-10' (kilogram, None, ('air',)) 1728.47068126
'Methane, tetrachloro-, R-10' (kilogram, None, ('air', 'urban air close to ground')) 1728.47068126
'Methane, tetrafluoro-, R-14' (kilogram, None, ('air', 'low population density, long-term')) 6625.78042077
'Methane, tetrafluoro-, R-14' (kilogram, None, ('air', 'lower stratosphere + upper troposphere')) 6625.78042077
'Methane, tetrafluoro-, R-14' (kilogram, None, ('air', 'non-urban air or from high stacks')) 6625.78042077
'Methane, tetrafluoro-, R-14' (kilogram, None, ('air',)) 6625.78042077
'Methane, tetrafluoro-, R-14' (kilogram, None, ('air', 'urban air close to ground')) 6625.78042077
'Methane, trichlorofluoro-, CFC-11' (kilogram, None, ('air', 'low population density, long-term')) 4662.93699438
'Methane, trichlorofluoro-, CFC-11' (kilogram, None, ('air', 'lower stratosphere + upper troposphere')) 4662.93699438
'Methane, trichlorofluoro-, CFC-11' (kilogram, None, ('air', 'non-urban air or from high stacks')) 4662.93699438
'Methane, trichlorofluoro-, CFC-11' (kilogram, None, ('air',)) 4662.93699438
'Methane, trichlorofluoro-, CFC-11' (kilogram, None, ('air', 'urban air close to ground')) 4662.93699438
'Methane, trifluoro-, HFC-23' (kilogram, None, ('air', 'low population density, long-term')) 12397.6034385
'Methane, trifluoro-, HFC-23' (kilogram, None, ('air', 'lower stratosphere + upper troposphere')) 12397.6034385
'Methane, trifluoro-, HFC-23' (kilogram, None, ('air', 'non-urban air or from high stacks')) 12397.6034385
'Methane, trifluoro-, HFC-23' (kilogram, None, ('air',)) 12397.6034385
'Methane, trifluoro-, HFC-23' (kilogram, None, ('air', 'urban air close to ground')) 12397.6034385
'Nitrogen fluoride' (kilogram, None, ('air', 'low population density, long-term')) 16069.997634
'Nitrogen fluoride' (kilogram, None, ('air', 'lower stratosphere + upper troposphere')) 16069.997634
'Nitrogen fluoride' (kilogram, None, ('air', 'non-urban air or from high stacks')) 16069.997634
'Nitrogen fluoride' (kilogram, None, ('air',)) 16069.997634
'Nitrogen fluoride' (kilogram, None, ('air', 'urban air close to ground')) 16069.997634
'Perfluoropentane' (kilogram, None, ('air',)) 8546.70453046
'Sulfur hexafluoride' (kilogram, None, ('air', 'low population density, long-term')) 23506.8199932
'Sulfur hexafluoride' (kilogram, None, ('air', 'lower stratosphere + upper troposphere')) 23506.8199932
'Sulfur hexafluoride' (kilogram, None, ('air', 'non-urban air or from high stacks')) 23506.8199932
'Sulfur hexafluoride' (kilogram, None, ('air',)) 23506.8199932
'Sulfur hexafluoride' (kilogram, None, ('air', 'urban air close to ground')) 23506.8199932