EPA Method 622.1 Analytes Back Catalog number: 40019 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 15900-3850-100AN5 Phenmedipham, 100µg/ml in Acetonitrile, 5ml Price on request 680081 Isofetamid, 100 µg/ml, Acetonitrile, 1ml Price on request 71488 2-Chloro-5-methylphenol Price on request