Tolyltriazole, 100 µg/ml, Acetonitrile, 1ml

Heptachlor endo-epoxide, 10.0 µg/ml, Cyclohexane,

PAH-Mix 9, 100µg/ml in Cyclohexane, 1ml

Terbuthylazine-desethyl, 100µg/mL in Acetonitrile, 1ml