EPA Method 548.1 Analyte Back Catalog number: 30077 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673337 Isoxaflutole, 100 µg/ml, Acetonitrile, 5ml Price on request 52154 Continuing Calibration Verification Standard (CCV) Price on request 97328 Tetrahydrofuran Price on request