EPA Method 8325 Surrogate Standard Back Catalog number: 82483 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 66056 2,3,3',4'-Tetrachlorobiphenyl (56) Price on request 8111.16 3-n-Butylcarbazole, Please inquire, Solvent-, Unit , # of units-, Cas.no. Price on request 681694 2,4,5-Trichlorophenol, 100 µg/ml, Methanol, 5ml Price on request