PCB No. 50, 100µg/ml in Isooctane, 1ml

Toxaphene Congeners (Parlar 26, 50 and 62), 2µg/ml in Nonane, 1,2ml

2,4'-DDE, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 3424-82-6

Cyphenothrin, 10.0 µg/ml, Cyclohexane, 10ml