Diphenyltin dichloride, 1000 µg/ml, Methanol, 5m

D6-Sulfadimethoxine, 100 µg/ml, Acetonitrile, 1m

PAH Stock Solution 3, 2µg/ml in Toluene, 1ml

O,O-Dimethylthiophosphate, sodium salt, 1000µg/ml in MeOH, 1ml