EPA Method 551 - Disinfection By-Products Back Catalog number: 32852 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended M8PFOS Sodium perfluoro-[13C8]octanesulfonate, 1.2ml x 50ug/ml, methanol Price on request 682496 Methandrostenolone, 100mg Price on request 14937.10-K-AN Disulfiram, 1000µg/ml in Acetonitrile, 1ml Price on request