3,3’-Dichlorobenzidine-d6

Trifluralin, 100 µg/ml, Ethyl acetate, 5ml

1,2,3,7,8,9-Hexachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Terbuthylazine-2-hydroxy, 10µg/ml in Acetone, 10ml