2,2’,4,4’,5,5’-Hexachlorobiphenyl (153) Back Catalog number: 66153 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79090 1,4-Dioxane Price on request 94960 Herbicide Free Acids Price on request 51124 Internal Standard ASTM D-5307 Price on request