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

Fensulfothion, 100 µg/ml, Acetonitrile, 5ml

6-n-Propylchrysene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 6910-41-4

5ß(H)-Cholestan-3ß-ol, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 360-68-9