Butachlor-OA, 100µg/ml in Acetonitrile, 1ml

delta-HCH, 10.0 µg/ml, Ethyl acetate, 10ml

Benzthiazuron, 100 µg/ml, Methanol, 1ml

N-Nitrosodiethylamine-d10, 1000µg/ml in dichloromethane, 1ml