3,5-Dinitrobenzoic acid, 100 µg/ml, Acetonitrile,

1,3,4,7-Tetrachlorodibenzofuran , 1.2ml x 50ug/ml, nonane

PCB Congeners Mix #3

3-Methyloctadecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 6561-44-0