Metoxuron, 10 µg/ml, Acetonitrile, 10ml

Acetone-2-13C,2000 µg/mL,MeOH,1mL,

d2 C27 alpha alpha alpha (20R)-Cholestane, 100µg/mL in Isooctane, 5 x 1ml

Dieldrin, 10.0 µg/ml, Ethyl acetate, 10ml