3,3'-Dimethylbenzidine,100 µg/mL,acetonitrile,1mL,

Arochlor 1232, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 11141-16-5

Naphtho[2,3-e]pyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 193-09-9

PCB 99, 5mg