Aromatic Comp.-Mix 16, 10.0 µg/ml, Methanol, 1ml

Fentin chloride, 1000 µg/ml, Methanol, 5ml

Metazachlor ESA sodium salt, 100µg/ml in Acetonitrile, 1ml

4,4'-DDE, 100 µg/ml, Methanol, 1ml