PCB Congeners Standard Back Catalog number: 94239 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended PART # Description1 Price on request MDD-123478 1,2,3,4,7,8-Hexachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene Price on request 66156 PCB No. 156, 100µg/ml in Isooctane, 1ml Price on request