Methyl chloride (chloromethane) Dichloromethane Chloroform (trichloromethane) Carbon tetrachloride (tetrachloromethane) Yperite (mustard gas, bis(2-chloroethane) sulfide) Vinyl chloride (chloroethene) DDT (2,2,- bis(4-chlorophenyl)-1,1,1-trichloroethane) CFC (chlorofluoroalkanes)