11 components: 1000ug/ml each of 1,2-Dichloroethane [CAS:107-06-2] ; Ethylbenzene [CAS:100-41-4] ; Tetrachloroethene [CAS:127-18-4] ; Tetrachloromethane [CAS:56-23-5] ; Trichloroethene [CAS:79-01-6] ; Toluene [CAS:108-88-3] ; m-Xylene [CAS:108-38-3] ; o-Xylene [CAS:95-47-6] ; p-Xylene [CAS:106-42-3] ; 1,1,2-Trichloroethane [CAS:79-00-5] ; Benzene [CAS:71-43-2] in Methanol