Mesotrione, 100 µg/ml, Acetonitrile, 5ml

(+)-α-1S,2S,5R,6S,9S,10R-Hexabromocyclododecane, 1.2ml x 50ug/ml, toluene

2-Perfluorooctyl ethanoic acid (8:2), 50µg/ml in Isopropanol, 1,2ml

Chlorfenvinphos, 1000µg/ml in MeOH, 1ml