Fenthion-sulfone, 100µg/mL in Ethylacetate, 1ml

ICP-MS Verification Standard #2

Heptachlor-exo-epoxide, 100 µg/ml, Methanol, 1ml

d2 C29 alpha alpha alpha (20R)-Ethylcholestane, 100µg/mL, Solvent-isooctane, 100µg/mL in Isooctane, 5 x 1ml