EPA Method 622.1 Analytes Back Catalog number: 40019 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 685017 Nitroguanidine, 100 µg/ml, Acetonitrile, 1ml Price on request 677513 n-Octyl gallate, 500mg Price on request 673557 Dimethomorph, 10 µg/ml, Ethyl acetate, 10ml Price on request