Sulfentrazone, 100 µg/ml, Ethyl acetate, 5ml

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

γ-1,2,5,6,9,10-Hexabromo[13C12]cyclododecane, 1.2ml x 50ug/ml, toluene

4-n-Octylphenol-di-ethoxylate, 1 µg/ml, Acetone,