Benzo[a]chrysene, 100µg/ml in Toluene, 1ml

(+/-)Atenolol, neat, Solvent-neat, Unit 500mg, # of units-1, Cas.no. 29122-68-7

4,4'-DDE, 100µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 72-55-9

Perfluoroethanesulfonic acid, 10mg