20 components: 100ug/ml each of Delta-HCH [CAS:319-86-8] ; Dieldrin [CAS:60-57-1] ; Endosulfan-beta [CAS:33213-65-9] ; Endrin [CAS:72-20-8] ; Endosulfan-alpha [CAS:959-98-8] ; Gamma-HCH (Lindane) [CAS:58-89-9] ; Heptachlor [CAS:76-44-8] ; Hexachlorobenzene [CAS:118-74-1] ; Pentachlorobenzene [CAS:608-93-5] ; 2,4′-DDD [CAS:53-19-0] ; 2,4′-DDT [CAS:789-02-6] ; 2,4′-DDE [CAS:3424-82-6] ; Heptachlor-exo-epoxide [CAS:1024-57-3] ; 4,4′-DDT [CAS:50-29-3] ; 4,4′-DDD (TDE) [CAS:72-54-8] ; 4,4′-DDE [CAS:72-55-9] ; Aldrin [CAS:309-00-2] ; Alpha-HCH [CAS:319-84-6] ; Alachlor [CAS:15972-60-8] ; Beta-HCH [CAS:319-85-7] in Cyclohexane, 1 ml in 1 ml ampoule