30 components: 100mg/l each of 1,2,3-Trichlorobenzene [CAS:87-61-6] ; alpha,3,4-Trichlorotoluene [CAS:102-47-6] ; Chlorobenzene [CAS:108-90-7] ; 1,2,4-Trichlorobenzene [CAS:120-82-1] ; alpha,alpha,alpha-Trichlorotoluene [CAS:98-07-7] ; 2,3,4,5,6-Pentachlorotoluene [CAS:877-11-2] ; alpha,2,6-Trichlorotoluene [CAS:2014-83-7] ; 1,2-Dichlorobenzene [CAS:95-50-1] ; Hexachlorobenzene [CAS:118-74-1] ; 1,3-Dichlorobenzene [CAS:541-73-1] ; 1,4-Dichlorobenzene [CAS:106-46-7] ; Pentachlorobenzene [CAS:608-