3,4-Dichloroaniline, 100 µg/ml, Toluene, 5ml

2,4-D-2-ethylhexyl ester, 100mg

Pentachloroaniline, 100 µg/ml, Acetonitrile, 5ml

N-Nitrosodiethylamine, 1000μg/ml in MeOH, 1ml