16 components: 1000ug/ml each of Chloroform [CAS:67-66-3] ; cis-1,2-Dichloroethene [CAS:156-59-2] ; Dichloromethane [CAS:75-09-2] ; 1,2-Dichloroethane [CAS:107-06-2] ; 1,2-Dibromoethane [CAS:106-93-4] ; 1,2-Dichlorobenzene [CAS:95-50-1] ; 1,2-Dichloropropane [CAS:78-87-5] ; 1,3-Dichlorobenzene [CAS:541-73-1] ; 1,4-Dichlorobenzene [CAS:106-46-7] ; 1,1,1-Trichloroethane [CAS:71-55-6] ; Tetrachloroethene [CAS:127-18-4] ; Tetrachloromethane [CAS:56-23-5] ; Trichloroethene [CAS:79-01-6] ; 1,1,2-Trich