Nitrofen, 100 µg/ml, Ethyl acetate, 1ml

Perfluorooctanoic acid, 100µg/mL in Acetonitrile, 1ml

Parathion-methyl, 100 µg/ml, Toluene, 1ml

(±)-Nicotine-d3 (N-methyl-d3),1000 µg/mL,acetonitrile,1mL,