Fenthion, 100 µg/ml, Toluene, 1ml

2-Methylphenanthrene, 10µg/ml in CY, 10ml

Dibutyltin-d18 dichloride, 1000µg/ml in MeOH, 1ml

Benzo(e)pyrene,1000µg/ml in methylene chloride,1ml