EPA Method 8260B Surrogate Standard Back Catalog number: 23004 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 682071 m-Toluidine, 100 µg/ml, Methanol, 5ml Price on request 79266 2-Chloroacrylonitrile Price on request M8PFOS Sodium perfluoro-[13C8]octanesulfonate, 50µg/ml in MeOH, 1,2ml Price on request