EPA Method 8240A Internal Standard Back Catalog number: 22003 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended P286243 Perfluoro-2,5-dimethyl-3,6-dioxanonanoic Acid, 100 Price on request 676671 2-Methoxyethyl acetate, 1ml Price on request 1401.14-K-IO ß-Naphthylpropylketone, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 17666-88-5 Price on request