EPA Method 507 Pesticide Standard Back Catalog number: 91974 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678392 Difenoconazole, 100 µg/ml, Acetonitrile, 5ml Price on request S-4196-ASS-10RF Revised Oxygenate Quality Control Standard (without Internal Standard) 13 Analytes, each Wt.% as listed in RFA Gasoline; units: 1x10mL, 5x10mL Name Wt.% Name Wt % Methanol 1 Di- Price on request 676562 Isoxaflutole, 100mg Price on request