Wheat flour - Deoxynivalenol, 877µg/kg, 55g

1,1,2,2-Tetrachloroethane, 2000µg/ml in MeOH, 1ml

Method 429 Surrogate Standard, 100µg/ml in Isooctane/10% toluene, 1,2ml

Fenthion-oxon-sulfone, 100µg/ml in AL, 5ml