1,1-Dichloro-2,2-bis(4-Chlorophenyl-d4)ethylene, 100µg/mL in IO, 1ml

N-Nitrosopiperidine-d10, 1000µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 960049-21-2

Heptachlor, 100 µg/ml, Ethyl acetate, 1ml

PCB No. 184, 100µg/ml in Isooctane, 1ml