Pyrene, 100 µg/ml, Cyclohexane, 1ml

Propachlor, 100μg/ml in Acetonitrile, 5ml

Triasulfuron, 100 µg/ml, Acetonitrile, 5ml

1,3,8-Trichlorodibenzofuran, 1.2ml x 50ug/ml, nonane