54-component VOC Mixture at 2,000 µg/mL. 1 mL. Contains:Benzene, Bromobenzene, Bromochloromethane, Bromodichloromethane, Bromoform, n-Butylbenzene, sec-Butylbenzene, tert-Butylbenzene, Carbon tetrachloride, Chlorobenzene, Chloroform, 2-Chlorotoluene, 4-Chlorotoluene, 1,2-Dibromo-3-chloropropane, Dibromochloromethane, 1,2-Dibromoethane, Dibromoethane, 1,2-Dichlorobenzene, 1,3-Dichlorobenzene, 1,4-Dichlorobenzene, 1,1-Dichloroethane, 1,2-Dichloroethane, 1,1-Dichloroethene, cis-1,2-Dichloroethene, trans-1,2-Dichloroethene, 1,2-Dichloropropane, 1,3-Dichloropropane, 2,2-Dichloropropane, 1,1-Dichloropropene, cis-1,3-Dichloropropene, trans-1,3-Dichloropropene, Ethylbenzene, Hexachlorobutadiene, Isopropylbenzene, p-Isopropyltoluene, Methylene chloride, Naphthalene, n-Propylbenzene, Styrene, 1,1,1,2-Tetrachloroethane, 1,1,2,2-Tetrachloroethane, Tetrachlorethene, Toluene, 1,2,3-Trichlorobenzene, 1,2,4-Trichlorobenzene, 1,1,1,-Trichloroethane, 1,1,2-Trichloroethane, Trichloroethene, 1,2,3,-Trichloropropane, 1,2,4-Trymethylbenzene, 1,3,5-Trimethylbenzene, m-Xylene, o-Xylene, p-Xylene in Methanol Purge and Trap. 12 months expiry date. ISO 9001:2015 certified, ISO/IEC 17025:2017 and ISO 17034:20166 accredited.