EPA Method 8240A - Purgeable Surrogate Std Back Catalog number: 24002 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10715.8-10MG Norcyclopentamine hydrochloride Price on request 3381.5-100-AN Dimethoate, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 60-51-5 Price on request 1141.21-10MG n-Heneicosane, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 629-94-7 Price on request