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The table below shows gas species currently handled.
Other gas species may also be handled. Related inquiries can be addressed to WDCGG.
Metadata are subject to change without notice.


No WDCGG Code Class1 Class2 Name1 Name2 Name3 Name4 Name5 Unit
1001 CO2 Greenhouse Gas CO2 carbon dioxide ppm
1002 CH4 Greenhouse Gas CH4 methane ppb
1003 N2O Greenhouse Gas N2O dinitrogen monoxide nitrous oxide ppb
1004 SF6 Greenhouse Gas SF6 sulfur hexafluoride ppt
1005 SO2F2 Greenhouse Gas SO2F2 sulfuryl fluoride ppt
1006 NF3 Greenhouse Gas NF3 nitrogen trifluoride ppt
1007 COS Greenhouse Gas COS carbon oxide sulfide carbonyl sulfide ppt
1101 13CH4 Greenhouse Gas CH4 [C-13] permil
1102 13CO2 Greenhouse Gas CO2 [C-13] permil
1103 C18O2 Greenhouse Gas CO2 [O-18] permil
1104 CH3D Greenhouse Gas CH3D deuterated methane methane-d permil
1201 CCl4 Greenhouse Gas Halocarbons CCl4 tetrachloromethane carbon tetrachloride ppt
1202 CH3CCl3 Greenhouse Gas Halocarbons CH3CCl3 1,1,1-trichloroethane methyl chloroform ppt
1301 CFC-113 Greenhouse Gas CFCs C2Cl3F3 1,1,2-trichloro-1,2,2-trifluoroethane CFC-113 ppt
1302 CFC-12 Greenhouse Gas CFCs CCl2F2 dichlorodifluoromethane CFC-12 ppt
1303 CFC-11 Greenhouse Gas CFCs CCl3F trichlorofluoromethane CFC-11 ppt
1304 CFC-115 Greenhouse Gas CFCs C2ClF5 1-chloro-1,1,2,2,2-pentafluoroethane CFC-115 ppt
1305 CFC-114 Greenhouse Gas CFCs C2Cl2F4 1,2-dichlorotetrafluoroethane CFC-114 ppt
1306 CFC-13 Greenhouse Gas CFCs CClF3 chlorotrifluoromethane CFC-13 ppt
1401 HCFC-141b Greenhouse Gas HCFCs C2H3Cl2F 1,1-dichloro-1-fluoroethane HCFC-141b ppt
1402 HCFC-142b Greenhouse Gas HCFCs C2H3ClF2 1-chloro-1,1-difluoroethane HCFC-142b ppt
1403 HCFC-22 Greenhouse Gas HCFCs CHClF2 chlorodifluoromethane HCFC-22 ppt
1404 HCFC-124 Greenhouse Gas HCFCs C2HClF4 1-chloro-1,2,2,2-tetrafluoroethane HCFC-124 ppt
1501 HFC-125 Greenhouse Gas HFCs C2HF5 1,1,1,2,2-pentafluoroethane HFC-125 ppt
1502 HFC-23 Greenhouse Gas HFCs CHF3 trifluoromethane HFC-23 ppt
1503 HFC-152a Greenhouse Gas HFCs C2H4F2 1,1-difluoroethane HFC-152a ppt
1504 HFC-236fa Greenhouse Gas HFCs C3H2F6 1,1,1,3,3,3-hexafluoropropane HFC-236fa ppt
1505 HFC-245fa Greenhouse Gas HFCs C3H3F5 1,1,1,3,3-pentafluoropropane HFC-245fa ppt
1506 HFC-227ea Greenhouse Gas HFCs C3HF7 1,1,1,2,3,3,3-heptafluoropropane HFC-227ea ppt
1507 HFC-365mfc Greenhouse Gas HFCs C4H5F5 1,1,1,3,3-pentafluorobutane HFC-365mfc ppt
1508 HFC-134a Greenhouse Gas HFCs C2H2F4 1,1,1,2-tetrafluoroethane HFC-134a ppt
1509 HFC-143a Greenhouse Gas HFCs C2H3F3 1,1,1-trifluoroethane HFC-143a ppt
1510 HFC-32 Greenhouse Gas HFCs CH2F2 difluoromethane HFC-32 ppt
1511 HFC-4310mee Greenhouse Gas HFCs C5H2F10 1,1,1,2,2,3,4,5,5,5-decafluoropentane HFC-43-10-mee ppt
1601 PFC-116 Greenhouse Gas PFCs C2F6 hexafluoroethane PFC-116 ppt
1602 PFC-218 Greenhouse Gas PFCs C3F8 octafluoropropane PFC-218 ppt
1603 PFC-14 Greenhouse Gas PFCs CF4 tetrafluoromethane carbon tetrafluoride perfluoromethane PFC-14 ppt
1604 PFC-318 Greenhouse Gas PFCs C4F8 octafluorocyclobutane perfluorocyclobutane PFC-318 ppt
1701 CBrClF2 Greenhouse Gas Halon CBrClF2 bromochlorodifluoromethane Halon 1211 ppt
1702 CBrF3 Greenhouse Gas Halon CBrF3 bromotrifluoromethane Halon 1301 ppt
1703 C2Br2F4 Greenhouse Gas Halon C2Br2F4 dibromotetrafluoroethane Halon 2402 ppt
3001 CO Reactive Gas CO carbon monoxide ppb
3004 CHCl3 Reactive Gas CHCl3 trichloromethane chloroform ppt
3005 CH3Cl Reactive Gas CH3Cl chloromethane methyl chloride ppt
3006 CH2Cl2 Reactive Gas CH2Cl2 dichloromethane methylene chloride ppt
3007 CH3I Reactive Gas CH3I iodomethane methyl iodide ppt
3009 CH3Br Reactive Gas CH3Br bromomethane methyl bromide ppt
3010 CH2Br2 Reactive Gas CH2Br2 dibromomethane methylene bromide ppt
3011 C2HCl3 Reactive Gas C2HCl3 trichloroethene TCE ppt
3012 C2Cl4 Reactive Gas C2Cl4 tetrachloroethene perchloroethylene PCE ppt
3013 CHBr3 Reactive Gas CHBr3 tribromomethane bromoform ppt
4001 H2 Other Gas H2 molecular hydrogen ppb
6001 14CO2 Radionuclide CO2 [C-14] permil
6002 222Rn Radionuclide Radon [Rn-222] Bq/m3
6003 7Be Radionuclide Beryllium [Be-7] mBq/m3
7777 TIC TIC ╬╝mol/kg
8888 MET Meteo MET Others

Total: 56/57

WDCGG Metadata