EPA Method 8140/8141 Analytes Back Catalog number: 81400 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679828 D9-Trimethoprim, 10mg Price on request 676198 Foramsulfuron, 100 µg/ml, Acetonitrile, 5ml Price on request 10798.19-10MG trans-Androsterone Price on request