PCB Congeners Back Catalog number: 94597 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72817 Perfluorononanoic acid Price on request DF-124678-S 1,2,4,6,7,8-Hexachlorodibenzofuran , 1.2ml x 50ug/ml, toluene Price on request 677019 Imidacloprid olefin, 10 µg/ml, Acetonitrile, 10m Price on request