Pyroxsulam, 100 µg/ml, Acetonitrile, 1ml

1,2,3,5,7,8-Hexachloronaphthalene, 1.2ml x 50ug/ml, nonane

4,4’-DDT

4-tert-Octylphenol-di-ethoxylate, 1 µg/ml, Aceton