(13C10)Chlordene, 1.2mL x 100ug/mL, nonane

3ß(H),17ß(H),21ß(H)-3-Hydroxyhopane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

Tri-n-butylphosphate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 126-73-8

beta-Endosulfan, 100 µg/ml, Methanol, 1ml