EPA Method 622 / 8141 - Analytes Back Catalog number: 90378 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3144.19-K-IO Nonadecanoic acid, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 646-30-0 Price on request 52151 CLP Calibration Std. III Price on request 94752 3,3’-Dimethoxybenzidine Price on request