Metconazole, 100 µg/ml, Acetonitrile, 1ml

2?-Methyl-18?(H)-Oleanane,neat,neat,Ca. 5 µg,

PCB No. 118, 100µg/ml in Isooctane, 1ml

2,3,5,6-Tetrachlorophenol, 1000µg/ml in MeChl, 1ml