8 components; 100ug/ml each of Atrazine [CAS:1912-24-9] ; cis-Chlordane [CAS:5103-71-9] ; trans-Chlordane [CAS:5103-74-2] ; Heptachlor [CAS:76-44-8] ; Hexachlorocyclopentadiene [CAS:77-47-4] ; cis-Nonachlor [CAS:5103-73-1] ; trans-Nonachlor [CAS:39765-80-5] ; Simazine [CAS:122-34-9] in Methanol
1 ml
EPA 505