1H,1H,2H,2H-Perfluorooctanesulfonic acid; 6:2FTS, 97%, 5g

Parathion, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 56-38-2

2,4-Dichlorophenylacetic acid

Benzo(a)pyrene