PCB Congener Mix #1 Back Catalog number: 94979 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 15590-50AN5 Pesticides - Mix 29, 50µg/ml in Acetonitrile, 5ml Price on request 90729 Nitrosamines Standard Price on request 71773 3,4-Dinitrotoluene Price on request