9 components: 1000mg/l each of Benzene [CAS:71-43-2] ; Toluene [CAS:108-88-3] ; Ethylbenzene [CAS:100-41-4] ; p-Xylene [CAS:106-42-3] ; m-Xylene [CAS:108-38-3] ; Isopropylbenzene [CAS:98-82-8] ; o-Xylene [CAS:95-47-6] ; n-Propylbenzene [CAS:103-65-1] ; Styrene [CAS:100-42-5] in Methanol