2,2’,3,3’,4,5-Hexachlorobiphenyl (129) Back Catalog number: 66129 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 19162 EPA Method 525.2 - PAH Standard Price on request L20017000IO PCB No. 170, 10 ng/µl, 10ml Price on request 70593 Chlorpyrifos methyl Price on request