2,2',3,4',5',6-Hexachlorobiphenyl (149) Back Catalog number: 66149 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50792 Ammonium as N Price on request 92199 4,4’-Dibromobiphenyl Price on request 40001 EPA Method 601 - Purgeables Mix #1 Price on request