Isocarbophos, 10.0 µg/ml, Ethyl acetate, 10ml

O,O-Dimethylphosphorodithioic acid ammonium salt,

Pesticide-Mix 41, 10.0 µg/ml, Acetonitrile, 10ml

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