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![]() Date: 2014-07-21 16:18:03Environment Halomethanes Hydrochlorofluorocarbons Heating ventilating and air conditioning Chlorodifluoromethane Chlorofluorocarbon 2 2-Dichloro-1 1 1-trifluoroethane United States Environmental Protection Agency Ozone Chemistry Refrigerants Ozone depletion | Add to Reading List |