2,4-D, 100µg/mL in Acetonitrile, 1ml

DL-N-Nitrosonornicotine-d4, 1000µg/mL, Solvent-acetonitrile, Unit 2mL, # of units-1, Cas.no. 66148-19-4

Benzo(a)pyrene, 100µg/ml in Acetonitrile, 1ml

PCB No. 81, 10µg/ml in Isooctane, 10ml