2,2’,3,3’,4,4’-Hexachlorobiphenyl (128) Back Catalog number: 63128 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 90970 Dicloran Price on request 31054 EPA Method 552.1 - Haloacetic Acids Price on request 71025 tert-Amyl alcohol Price on request