PAH Mix, 0.5mg/mL in Acetonitrile, 1ml

Pesticide-Mix 192, 5-10µg/ml in Isooctane, 10ml

U{13C17}-Aflatoxin B2, 0.5µg/mL, Solvent-acetonitrile, Unit 1.2mL, # of units-1, Cas.no.

PCB No. 18, certified, 25mg