2,3,3',4,4',5’,6-Heptachlorobiphenyl Back Catalog number: 63191 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 82447 EPA Method 8330 Analyte Price on request 32921 2-Methylnaphthalene Price on request 95537 PAH/Phenol Deuterated Standard Price on request