Protection of Stratospheric Ozone: Listing of Substitutes for Ozone-Depleting Substances-Hydrocarbon Refrigerants

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Pursuant to the U.S. Environmental Protection Agency (EPA)'s Significant New Alternatives Policy (SNAP) program, this action lists isobutane (R-600a) and R-441A as acceptable, subject to use conditions, as substitutes for chlorofluorocarbon (CFC)-12 and hydrochlorofluorocarbon (HCFC)-22 in household refrigerators, freezers, and combination refrigerators and freezers. This action also lists propane (R-290) as acceptable, subject to use conditions, as a substitute for CFC-12, HCFC-22, and R-502 in retail food refrigerators and freezers (stand-alone units only).