PCB Congeners & Hexachlorobenzene Mix #4

4-Bromophenol-2,3,5,6-d4, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-5, Cas.no. 152404-44-9

4-Ethylguaiacol, 100 µg/ml, Acetonitrile, 1ml

VOC Mix #2