EPA Method 8260 Internal Standard - Revised Back Catalog number: 21013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2313.15-100-AN Chloroxuron Price on request 680427 2H,2H-Perfluorooctanoic acid, 10mg Price on request LCS-4045 LC Caffeine Standards Kit, 6 x 10ml Price on request