Atrazine D5, 100 µg/mL in Acetone, 1ml

Carbon tetrachloride

Benzo[a]pyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 50-32-8

Hexachlorobenzene, 100µg/ml in MeOH, 1ml