Sulfite (SO32-),1000µg/mL in Water, 3 x 20ml

n-Octacosane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 630-02-4

gamma-HCH (BHC), 10ug/ml, Solvent-acetonitrile, Unit 10mL, # of units-1, Cas.no. 58-89-9

PCB No. 112, 100ug/ml in Isooctane, 1ml