alpha-HCH, 100 µg/ml, Ethyl acetate, 5ml

EPA Method 515.3 - Derivatized acids

Imazethapyr, 100 µg/ml, Acetonitrile, 1ml

1,2,3,7,8-Pentabromodibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene