Benzo[a]pyrene-d12

Ethanol standard in water,3.0g/L,water, 3mL

Fenthion-sulfoxide, 10.0 µg/ml, Acetonitrile, 10

2,2',5,5'-Tetrachlorobenzidine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 15721-02-5