SEARCH Articles Figures Tables 1,1,2-trichloro 1,2,2-trifluoroethane ozone depletion 1,1,2-trichloro 1,2,2-trifluoroethane toxicity 1,12-trifluoroethane Freon 1,1,2-Trichloro-1,2,2-trifluoroethane Trichloro-l,2,2-trifluoroethane (CFC Trifluoroethan