PCB Congener Mix #4 Back Catalog number: 94982 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71183 2,3,4,5,6-Pentachlorotoluene, 1000µg/ml in Acetone, 1ml Price on request 11854.12-K-MEX5 Bis(p-chlorophenyl) sulfone,1000 µg/mL ,MeOH,1mL Price on request 685286 D12-Benzo[a]pyrene, 100 µg/ml, Acetonitrile, 1ml Price on request