EPA Method 8260 Internal Standard - Revised Back Catalog number: 21013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2559.8-50-ME 1H,1H,2H,2H-Perfluorooctane sulfonic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 27619-97-2 Price on request 15900-4610-100AN5 Telodrin, 100µg/ml in Acetonitrile, 5ml Price on request 10171.26-K-IO 4-tert-Octylphenol 6EO, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request