2,4-Dichlorophenol, 100 µg/ml, Acetonitrile, 5ml

Tolpyralate, 100 µg/ml, Acetonitrile, 1ml

Dibenzo(a,h)anthracene, 100µg/ml in Acetonitrile, 1ml

d2 C27 alpha alpha alpha (20R)-Cholestane, 100µg/mL in Isooctane, 1ml