Bentazone-8-hydroxy, 10.0 µg/ml, Acetonitrile, 5

Phenanthrene - 60%

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

1-Chloro-2,4-dinitrobenzene, 1000µg/ml in MeOH, 1ml