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![]() Date: 2006-03-15 08:54:09Earth Ozone layer Montreal Protocol Chlorofluorocarbon Ozone 1 1 2-Trichloro-1 2 2-trifluoroethane Refrigerant Vienna Convention for the Protection of the Ozone Layer Dichlorodifluoromethane Ozone depletion Environment Chemistry | Add to Reading List |