D8-4,4'-DDE, 100 µg/ml, Acetone, 1ml

Tetraethyllead, contains 50% xylene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 78-00-2

Perfluorooctane sulfonic acid

Pendimethalin, 10 µg/ml, Acetonitrile, 10ml