D6-Parathion-methyl, 100 µg/ml, Acetone, 1ml

2,4'-DDT, 100 µg/ml, Ethyl acetate, 5ml

Fenthion-oxon-sulfone, 10.0 µg/ml, Acetonitrile,

Perfluoro-n-[1,2-13C2]dodecanoic acid, 50µg/ml in MeOH, 1,2ml