Regulated VOC Mixture – 12 components: 2000ug/ml each of Benzene [CAS:71-43-2] ; Bromodichloromethane [CAS:75-27-4] ; Tribromomethane (Bromoform) [CAS:75-25-2] ; Tetrachloromethane [CAS:56-23-5] ; Chloroform [CAS:67-66-3] ; Dibromochloromethane [CAS:124-48-1] ; 1,4-Dichlorobenzene [CAS:106-46-7] ; 1,2-Dichloroethane [CAS:107-06-2] ; 1,1-Dichloroethene [CAS:75-35-4] ; 1,1,1-Trichloroethane [CAS:71-55-6] ; Trichloroethene [CAS:79-01-6] ; Vinylchloride [CAS:75-01-4] in Methanol, 1 ml in 1 ml ampoule