EPA Method 8240A - Purgeable Surrogate Std Back Catalog number: 24002 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71335 4-Methylheptane Price on request 680484 2,4,6-Trichlorophenol acetate, 20mg Price on request 10850.16-10MG L-propranolol hydrochloride Price on request