EPA Method 526 Surrogate Standard Back Catalog number: 93187 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 682692 4-n-Nonylphenol-mono-ethoxylate, 100 µg/ml, Aceto Price on request 675405 4-Chlorophenol, 10 µg/ml, Methanol, 10ml Price on request 8411.17 Perfluoro-n-heptadecane, , Solvent-, Unit , # of units-, Cas.no. Price on request