Tembotrione, 100 µg/ml, Acetonitrile, 1ml

PCB No. 184, 100µg/ml in Isooctane, 1ml

trans-Chlordane, 10.0 µg/ml, Ethyl acetate, 10ml

N-Nitrosodimethylamine, 1000μg/ml in MeOH, 1ml