Ethion, 100 µg/ml, Toluene, 1ml

3,3,4-Trichlorobiphenyl (BZ-35)

n-Heneicosane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 629-94-7

2,4'-DDD, 100 µg/ml, Acetonitrile, 5ml