16 components: 1000ug/ml each of Chloroform [CAS:67-66-3] ; cis-1,2-Dichloroethene [CAS:156-59-2] ; Dibromochloromethane [CAS:124-48-1] ; Dichloromethane [CAS:75-09-2] ; 1,2-Dichloroethane [CAS:107-06-2] ; 1,1,1-Trichloroethane [CAS:71-55-6] ; Tetrachloroethene [CAS:127-18-4] ; Tetrachloromethane [CAS:56-23-5] ; trans-1,2-Dichloroethene [CAS:156-60-5] ; Tribromomethane [CAS:75-25-2] ; Trichloroethene [CAS:79-01-6] ; 1,1,2,2-Tetrachloroethane [CAS:79-34-5] ; 1,1,2-Trichloroethane [CAS:79-00-5] ;