EPA Method 8121 Surrogate Standard Back Catalog number: 81204 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674523 PSA-GCB-Mix for 2007.01 per AOAC Price on request 1657.8-10MG 1,1,1,3,7,8-Hexachlorooctane Price on request 53042 Calibration Standard Set Price on request