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Pub. L. 116-260, Division S, Sec. 103.
86 FR 55201, Oct. 5, 2021, unless otherwise noted.
At 88 FR 73205, Oct. 24, 2023, unless otherwise noted.
89 FR 82859, Oct. 11, 2024, unless otherwise noted.
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| HFC | Chemical formula | Exchange value |
|---|---|---|
| HFC-134 | CHF2 CHF2 | 1,100 |
| HFC-134a | CH2 FCF3 | 1,430 |
| HFC-143 | CH2 FCHF2 | 353 |
| HFC-245fa | CHF2 CH2 CF3 | 1,030 |
| HFC-365mfc | CF3 CH2 CF2 CH3 | 794 |
| HFC-227ea | CF3 CHFCF3 | 3,220 |
| HFC-236cb | CH2 FCF2 CF3 | 1,340 |
| HFC-236ea | CHF2 CHFCF3 | 1,370 |
| HFC-236fa | CF3 CH2CF3 | 9,810 |
| HFC-245ca | CH2 FCF2 CHF2 | 693 |
| HFC-43-10mee | CF3 CHFCHFCF2 CF3 | 1,640 |
| HFC-32 | CH2 F2 | 675 |
| HFC-125 | CHF2 CF3 | 3,500 |
| HFC-143a | CH3 CF3 | 4,470 |
| HFC-41 | CH3 F | 92 |
| HFC-152 | CH2 FCH2 F | 53 |
| HFC-152a | CH3 CHF2 | 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]