beta-HCH, 100 µg/ml, Ethyl acetate, 5ml

Native Perfluoroether-Carboxylic Acids and -Sulfonate Mix, 2µg/ml in MeOH, 1,2ml

Boscalid (Nicobifen), 100 µg/ml, Acetonitrile, 1

Tri-n-propyl phosphate, 50µg/ml in Toluene, 1,2ml