Regulations last checked for updates: May 19, 2024

Title 40 - Protection of Environment last revised: May 16, 2024
Appendix Appendix I -
Species (chemical) Chemical formula Global warming potential (time horizon)
20 years 100 years 500 years
CFC-11CFCl3500040001400
CFC-12CF2 Cl2790085004200
CFC-13CClF381001170013600
CFC-113C2 F3 Cl3500050002300
CFC-114C2 F4 Cl2690093008300
CFC-115C2 F5 Cl6200930013000
H-1301CF3 Br620056002200
Carbon TetCCl420001400500
Methyl ChlCH3 CCl336011035
HCFC-22CF2 HCl43001700520
HCFC-141bC2 FH3 Cl21800630200
HCFC-142bC2 F2 H3 Cl42002000630
HCFC-123C2 F3 HCl23009329
HCFC-124C2 F4 HCl1500480150
HCFC-225caC3 F5 HCl255017052
HCFC-225cbC3 F5 HCl21700530170

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]
authority: 42 U.S.C. 7414,7601,7671
source: 57 FR 33787, July 30, 1992, unless otherwise noted.