Fenofibric acid, 100 µg/ml, Acetone, 1ml

Carbophenothion, 100 µg/ml, Acetonitrile, 5ml

EPA Method 515.3 - Underivatized acids

1,2,3,4,6,7-Hexachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene