2,2'-DDE, 10 µg/ml, Cyclohexane, 10ml

Permethrin (mix isomers), 1000μg/ml in MeOH, 1ml

4-Aminobiphenyl-d9, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 344298-96-0

Silver (Ag)