Chlorfenson, 100 µg/ml, Ethyl acetate, 5ml

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

2,2’,4,4’,6,6’-Hexachlorobiphenyl (155)

Fenoxaprop-P-ethyl, 100µg/mL in Acetonitrile, 1ml