StacksVerified U.S. regulatory reference

40 CFR Part 82, Appendix I

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
Species (chemical)Chemical formulaGlobal warming potential (time horizon)
20 years100 years500 years
CFC-11CFCl35000 | 4000 | 1400
CFC-12CF2 Cl27900 | 8500 | 4200
CFC-13CClF38100 | 11700 | 13600
CFC-113C2 F3 Cl35000 | 5000 | 2300
CFC-114C2 F4 Cl26900 | 9300 | 8300
CFC-115C2 F5 Cl6200 | 9300 | 13000
H-1301CF3 Br6200 | 5600 | 2200
Carbon TetCCl42000 | 1400 | 500
Methyl ChlCH3 CCl3360 | 110 | 35
HCFC-22CF2 HCl4300 | 1700 | 520
HCFC-141bC2 FH3 Cl21800 | 630 | 200
HCFC-142bC2 F2 H3 Cl4200 | 2000 | 630
HCFC-123C2 F3 HCl2300 | 93 | 29
HCFC-124C2 F4 HCl1500 | 480 | 150
HCFC-225caC3 F5 HCl2550 | 170 | 52
HCFC-225cbC3 F5 HCl21700 | 530 | 170

AUnited Nations Environment Programme (UNEP), February 1995, Scientific Assessment of Ozone Depletion: 1994, Chapter 13, “Ozone Depleting Potentials, Global Warming Potentials and Future Chlorine/Bromine Loading,” and do not reflect review of scientific documents published after that date.

[61 FR 1285, Jan. 19, 1996]