10 components 1,1,1-Trichloroethane [CAS:71-55-6] 20mg/l Trichloroethene [CAS:79-01-6] 70mg/l Tetrachloroethene [CAS:127-18-4] 30mg/l Chloroform [CAS:67-66-3] 10mg/l Bromodichloromethane [CAS:75-27-4] 10mg/l Dibromochloromethane [CAS:124- 1 * 1 SET