Zearalenone, 100 µg/ml, Acetonitrile, 1ml

γ-1,2,5,6,9,10-Hexabromocyclododecane, 50µg/ml in Toluene, 1,2ml

trans-(13C10)Chlordane (g), 1.2mL x 100ug/mL, nonane

1,3,5-Trichlorobenzene, 1000µg/ml in MeOH, 1ml