2,6-Dimethylaniline, 100 µg/ml, Methanol, 5ml

Pyrazophos, 100 µg/ml, Toluene, 1ml

Phenol, 1000µg/ml in MeOH, 1ml

1,2,3,4,6,7-Hexachloronaphthalene, 50µg/ml in nonane, 1,2ml