Code of Federal Regulations > Title 40 > Chapter I > Part 82 > Subpart G > Appendix Appendix G - Appendix G to Subpart G of Part 82—Substitutes Subject to Use Restrictions and Unacceptable Substitutes Listed in the March 3, 1999, Final rule, Effective April 2, 1999.

Regulations last checked for updates: Mar 14, 2025

Title 40 - Protection of Environment last revised: Nov 14, 2025

Appendix Appendix G - Appendix G to Subpart G of Part 82—Substitutes Subject to Use Restrictions and Unacceptable Substitutes Listed in the March 3, 1999, Final rule, Effective April 2, 1999.

Refrigerants Unacceptable Substitutes

End-use	Substitute	Decision	Comments
CFC-12, R-502, and HCFC-22 Household Refrigeration, Transport Refrigeration, Vending Machines, Cold Storage Warehouses, and Retail Food Refrigeration, Retrofit and New	Self-Chilling Cans-Using HFC-134a or HFC-152a	Unacceptable	Unacceptably high greenhouse gas emissions from direct release of refrigerant to the atmosphere.

[64 FR 10378, Mar. 3, 1999]

authority: 42 U.S.C. 7414,7601,7671

source: 57 FR 33787, July 30, 1992, unless otherwise noted.