Refrigeration and Air-Conditioning Sector UnacceptabLe Substitutes End-use | Substitute | Decision | Comments |
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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]