Dinoseb, 100 µg/ml, Acetonitrile, 5ml

n-Hydrocarbons - C5 to C30,C32,C34,C36,C38,C40

Atrazine mercapturate, 100 µg/ml, Acetonitrile,

beta-HCH, 100 µg/ml, Ethyl acetate, 5ml