D12-Benzo[a]pyrene, 10.0 µg/ml, Acetonitrile, 1m

1,2,4-Trichlorobenzene-d3

Chlormephos, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 24934-91-6

Fensulfothion, 10.0 µg/ml, Acetonitrile, 10ml