PCB No. 180, 10µg/mL in Isooctane, 10ml

Selenium (IV) Selenite, 1000µg/ml in Water, 100ml

n-Perfluorooctanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 335-67-1

2’,3,5-Trichlorobiphenyl