D10-Chlorpyrifos, 100 µg/ml, Acetonitrile, 5ml

Sodium perfluoro-1-undecanesulfonate, 50µg/ml MeOH, 1,2ml

Wheat flour check sample - Ochratoxin A, 100g

Cyanofenphos, 10 µg/ml, Ethyl acetate, 10ml