40 CFR Appendix A to Subpart C of Part 84 - Regulated Substances

HFCs Listed as Regulated Substances in the AIM Act 1

HFC	Chemical formula	Exchange value
HFC-134	CHF2CHF2	1,100
HFC-134a	CH2FCF3	1,430
HFC-143	CH2FCHF2	353
HFC-245fa	CHF2CH2CF3	1,030
HFC-365mfc	CF3CH2CF2CH3	794
HFC-227ea	CF3CHFCF3	3,220
HFC-236cb	CH2FCF2CF3	1,340
HFC-236ea	CHF2CHFCF3	1,370
HFC-236fa	CF3CH2CF3	9,810
HFC-245ca	CH2FCF2CHF2	693
HFC-43-10mee	CF3CHFCHFCF2CF3	1,640
HFC-32	CH2F2	675
HFC-125	CHF2CF3	3,500
HFC-143a	CH3CF3	4,470
HFC-41	CH3F	92
HFC-152	CH2FCH2F	53
HFC-152a	CH3CHF2	124
HFC-23	CHF3	14,800

1 This table includes all isomers of the substances above, regardless of whether the isomer is explicitly listed on its own.

[86 FR 55222, Oct. 5, 2021]