22 components: 2000ug/ml each of Bromobenzene [CAS:108-86-1] ; 1,2,3-Trichlorobenzene [CAS:87-61-6] ; 1,2,4-Trichlorobenzene [CAS:120-82-1] ; 1,2,4-Trimethylbenzene [CAS:95-63-6] ; 1,2-Dichlorobenzene [CAS:95-50-1] ; 1,3,5-Trimethylbenzene [CAS:108-67-8] ; Isopropylbenzene [CAS:98-82-8] ; 1,3-Dichlorobenzene [CAS:541-73-1] ; Naphthalene [CAS:91-20-3] ; 1,4-Dichlorobenzene [CAS:106-46-7] ; Styrene [CAS:100-42-5] ; Toluene [CAS:108-88-3] ; m-Xylene [CAS:108-38-3] ; n-Butylbenzene [CAS:104-51-8] ;