2,2',3,4,4',5,5',6-Octachlorobiphenyl (203) Back Catalog number: 66203 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 57116 Sulfur (S) Price on request 50332 EPA Method 300.0 Anions QC Standard Price on request EPA-8290HRCC0.5 Supplemental Calibration Solution, 500ul, nonane Price on request