EPA Method 502/524 Volatile Standard Back Catalog number: 93538 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677607 1H,1H,2H,2H-Perfluorooctanesulfonic acid, 10mg Price on request 674446 1,2-Dihydro-2,2,4-trimethyl-6-quinolinol, 25mg Price on request L20565000AL Benzo(b)fluoranthene, 10µg/ml in Acetonitrile, 10m Price on request