ISO 15009 Volatile Halogenated Hydrocarbons 18 Analytes, each 4000µg/mL in methanol; unit: 1x5mL 2554.1 Dichloromethane [75-09-2] 1350.1 Trichloromethane [67-66-3] 1352.1 Tetrachloromethane [56-23-5] 3929.2 1,1-Dichloroethane [75-34-3] 1355.2 1,2-Di