beta-Cyfluthrin, 100 µg/ml, Acetonitrile, 5ml

8:2 Tri-PAPS, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no.

PCB No. 29, 10μg/mL in Isooctane, 10ml

Aflatoxin B2, 0.5 µg/ml, Solvent-acetonitrile, Unit 5mL, # of units-1, Cas.no. 7220-81-7