Chemical Oxygen Demand Back Catalog number: 59592 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3PM180 2,2',3,4,4',5,5'-Heptachloro-3'-methoxybiphenyl, 1.2ml x 50ug/ml, nonane Price on request 40012 EPA Method 607 - Nitrosamines Price on request 2282.10-K-IP 4-tert-Butyl-d9-phenol-2,3,5,6-d4,1000 µg/mL,isopropanol,1mL, Price on request