EPA Method 622 / 8141 - Analytes Back Catalog number: 90378 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 682001 Fumaric acid, 250mg Price on request 678434 Iodofenphos, 100 µg/ml, Acetonitrile, 1ml Price on request 8106.18-100MG Sodium dodecylbenzenesulfonate, mixture of linear C10-C14, 38% water, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 69669-44-9 Price on request