Composition: 4-Bromofluorobenzene 2500µg/ml [460-00-4] Dibromofluoromethane 2500µg/ml [1868-53-7] 1,2-Dichloroethane D4 2500µg/ml [17060-07-0] Toluene D8 2500µg/ml [2037-26-5]