Organochlorine Pesticides Mixture - 17 components: Aldrin [CAS:309-00-2] 250ug/ml ; Alpha-HCH [CAS:319-84-6] 250ug/ml ; Beta-HCH [CAS:319-85-7] 250ug/ml ; 4,4'-DDD (TDE) [CAS:72-54-8] 250ug/ml ; 4,4'-DDE [CAS:72-55-9] 250ug/ml ; 4,4'-DDT [CAS:50-29-3] 250ug/ml ; Delta-HCH [CAS:319-86-8] 250ug/ml ; Dieldrin [CAS:60-57-1] 250ug/ml ; Endosulfan-alpha [CAS:959-98-8] 250ug/ml ; Endosulfan-beta [CAS:33213-65-9] 250ug/ml ; Endosulfan-total (sulfate) [CAS:1031-07-8] 250ug/ml ; Endrin [CAS:72-20-8] 250ug