Fenthion-oxon-sulfone, 100 µg/ml, Acetonitrile,

Atrazine-desethyl, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 6190-65-4

1-/3-Nitrobenzo[e]pyrene, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 91259-16-4 / 81340-58-1

4-Chlorophenol, certified, 0.5g