Fenthion-sulfone, 100 µg/ml, Acetonitrile, 5ml

Decachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Trichloroethene, 100 µg/ml, Acetonitrile, 1ml

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