EPA Method 8140/8141 Analytes Back Catalog number: 81400 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679166 13C,15N2-Nitrofurazone, 10mg Price on request 3377.4-100-AN Dichlorvos, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 62-73-7 Price on request 677728 Catechol, 500mg Price on request