2,2',3,3',4,5,6'-Heptachlorobiphenyl (174) Back Catalog number: 66174 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 53119 EPA Method 300.0 Anions Method B Price on request 90686 bis(2-Chloroisopropyl) ether Price on request 93985 WS Disinfection By-Products - Cal Check 3 Price on request