Diuron, 100 µg/ml, Acetonitrile, 5ml

Sodium bis(1H,1H,2H,2H-[1,2-13C2]perfluorodecyl)phosphate, 50µg/ml in MeOH, 1,2ml

Tetrachloroethene

VOC Mix B, 2000ug/ml in MeOH, 1ml