6-Hydroxychrysene, 10mg

Etrimfos, certified, 0.1g

2.3-Peri-naphthylene-pyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 188-89-6

PCB No. 121, 1000μg/ml in Isooctane, 1ml