Hexachlorobenzene, 1000µg/ml in Toluene, 1ml

1-Bromo-2-chloroethane, 100 µg/ml, Methanol, 1ml

Coronene-d12, 1000µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 16083-32-2

PCB No. 31, certified, 25mg