40 CFR Appendix F to Subpart G of Part 82
Unacceptable Substitutes Listed in the January 26, 1999 Final Rule, Effective January 26, 1999
June 9, 2020
CFR

Refrigeration and Air-Conditioning Sector UnacceptabLe Substitutes

Open Table
End-use Substitute Decision Comments
All refrigeration and air-conditioning end uses Hexafluoropropylene (HFP) and all HFP-containing blends Unacceptable Presents unacceptable toxicity risk.

[64 FR 3868, Jan. 26, 1999]


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