{"data":{"id":"us/40-cfr-appendix-a-to-part-84","jurisdiction":"us","citation":"40 CFR Appendix A to Part 84","heading":"Appendix A to Part 84—Regulated Substances","body":"HFCs Listed as Regulated Substances in the AIM Act 1\nHFC Chemical formula Exchange value\nHFC-134 CHF2 CHF2 1,100\nHFC-134a CH2 FCF3 1,430\nHFC-143 CH2 FCHF2 353\nHFC-245fa CHF2 CH2 CF3 1,030\nHFC-365mfc CF3 CH2 CF2 CH3 794\nHFC-227ea CF3 CHFCF3 3,220\nHFC-236cb CH2 FCF2 CF3 1,340\nHFC-236ea CHF2 CHFCF3 1,370\nHFC-236fa CF3 CH2CF3 9,810\nHFC-245ca CH2 FCF2 CHF2 693\nHFC-43-10mee CF3 CHFCHFCF2 CF3 1,640\nHFC-32 CH2 F2 675\nHFC-125 CHF2 CF3 3,500\nHFC-143a CH3 CF3 4,470\nHFC-41 CH3 F 92\nHFC-152 CH2 FCH2 F 53\nHFC-152a CH3 CHF2 124\nHFC-23 CHF3 14,800\n1 This table includes all isomers of the substances above, regardless of whether the isomer is explicitly listed on its own.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER C—AIR PROGRAMS","PART 84—PHASEDOWN OF HYDROFLUOROCARBONS"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"edfde51a1a86732d32442c7a38ed149d3025994c19c8050ad960aa07d73d0f53","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-84.120","next":"us/40-cfr-85.501"},"notice":"GroundRules: Original legal text. Not legal advice."}