EPA Method 531.1 - Analytes Mixture Back Catalog number: 33042R Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended N-MEFOSA-M N-methylperfluoro-1-octansulfonamide, 50µg/ml in MeOH, 1,2ml Price on request 96600 Paroxetine Price on request 70404 Methyl methacrylate Price on request