EPA Method 601 - Purgeables Mix #4 Back Catalog number: 40003 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2782.10-100-AN Parathion, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 56-38-2 Price on request 8829.18-K-IO 12-Oxystearic acid, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 72294 1,2,4-Benzenetricarboxylic acid Price on request