S-Metolachlor Metabolite CGA 357704, 100 µg/ml, A

2,4,4'-Trichlorodiphenyl ether, 1.2ml x 50ug/ml, nonane

EPA Method 608Mix #4

1,2,4,6-Tetrachloronaphthalene, 1.2mL x 50ug/mL, nonane