Mass-Labelled PCB Syringe Spike Solution, 1.2ml, nonane

1,2,3,4-Tetrachloronaphthalene, 50µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 20020-02-4

Camphechlor (Toxaphene), 100 µg/ml, Ethyl acetate

Antipyrine, 250mg