2,3,3',4',5,6-Hexachlorobiphenyl Back Catalog number: 66163 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 51059 ASTM D-4815 Calibration Mix #2 Price on request 98656 TX TPH Calibration Standard (High End) Rev. 1.0 Price on request 673399 Omethoate, 100 µg/ml, Acetonitrile, 5ml Price on request