2,3,3',4,4',5'-Hexachlorobiphenyl (157) Back Catalog number: 68157 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11118 EPA Method 8270A - Analytes Mix #8 Price on request 57003 Lithium (Li) Price on request 20062 CLP Pesticide QTM Calibration Solution Price on request