7 components; 500ug/ml each of Alachlor [CAS:15972-60-8] ; Atrazine [CAS:1912-24-9] ; Cyanazine [CAS:21725-46-2] ; Hexachlorocyclopentadiene [CAS:77-47-4] ; Metolachlor [CAS:51218-45-2] ; Metribuzin [CAS:21087-64-9] ; Simazine [CAS:122-34-9] in Ethyl Acetate
1 ml
EPA 508