Phosphamidon, 100µg/ml in Acetonitrile, 1ml

Endosulfan-sulfate, 100 µg/ml, Cyclohexane, 1ml

3,3',4,4',5,5'-Hexachlorobiphenyl (169)

Acetaldehyde-2,4-DNPH, 1000µg/ml in Acetonitrile,