PCB Congeners & Hexachlorobenzene Mix #3 Back Catalog number: 95452 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 31061 EPA Method 502/524 VOC Mix #4 Price on request 58119 Potassium (K) Price on request 0388.12-K-IOX5 1,8-Dimethylnaphthalene-d12, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 104489-29-4 Price on request