EPA Method 642 - Analytes Back Catalog number: 40057 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680819 Acetochlor, 100 µg/ml, Acetonitrile, 1ml Price on request M199560 (-)-Isomenthone (~80%), 250mg Price on request N-MEFBSA-M N-methylperfluoro-1-butanesulfonamide, 1.2ml x 50ug/ml, methanol Price on request