2,2’,4,4’,6,6’-Hexachlorobiphenyl (155) Back Catalog number: 66155 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 54224 Total Residual Free Chlorine (Cl) Price on request P48-W-CVS Calibration Kit for WHO (Dioxin-like) PCBs; EN 1948-4:2010, 6 x 500ul, nonane Price on request 53002 Nitric Acid Blank Price on request