PCB Congeners Standard Back Catalog number: 94239 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59740 ICP-MS Mix #1 Price on request 54135 Oil & Grease - Calibration Price on request 11734.12-100-IO 2,2',3,3',4,6-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request