Pentachlorobenzene,100 µg/mL,cyclohexane,1mL,

epsilon-HCH, 10μg/ml in Acetonitrile, 1ml

1,2,4-Butanetriol, 1000µg/mL, Solvent-dry pyridine, Unit 10mL, # of units-1, Cas.no. 3068-00-6

Native PCB Stock Solution , 1.2ml , nonane