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![]() Date: 2011-11-17 16:54:14Refrigerants Halomethanes Hydrochlorofluorocarbons Chlorodifluoromethane Propellants Chlorofluorocarbon 2 2-Dichloro-1 1 1-trifluoroethane Ozone United States Environmental Protection Agency Chemistry Ozone depletion Environment | Add to Reading List |