(13C12)Dieldrin, 1.2mL x 100ug/mL, nonane

Dechlorane Plus® Mono adduct, 1.2ml x 50ug/ml, toluene

2,6-Dimethylheptane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 1072-05-5

Corn flour - Trace elements, 50g