CS4 Calibration Sol Dioxin/PCB, in Nonane, 500µl

Triphenylphosphate, certified, 0.25g

Ethylene glycol, neat, Solvent-neat, Unit 10g, # of units-1, Cas.no. 107-21-1

1,2,3,4,5,6,7-Heptachloronaphthalene, 1.2ml x 50ug/ml, nonane