PCB Congeners (10 ppm) Back Catalog number: 98003 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70034 Benzoic acid Price on request 681774 2,6-Di-tert-butyl-4-methylphenol, 100 µg/ml, Acet Price on request 675750 Dicrotophos, 100 µg/ml, Ethyl acetate, 5ml Price on request