Benzo(e)pyrene,2000µg/ml in methylene chloride,1ml

n-Hydrocarbon Standard (C5-C18), 2000µg/ml in MeOH, 1ml

D6-Omethoate, 100 µg/ml, Acetone, 1ml

4,4'-DDE, 10.0 µg/ml, Ethyl acetate, 10ml