MWD 3 : Megawatt days, usually per ton. The amount of energy obtained from one megawatt power in one day, normally used to measure the extent of nuclear fuel burnup. 10,000 MWD per ton is about 1 percent burnup
Barbara A. Plog, Patricia J. Quinlan, Jodey B. Schonfeld and Patricia M. Dewey (editors), Fundamentals of industrial hygiene 5th ed., Appendix E - Glossary (Michael Horowitz, MS, CIH - Compiler), National Safety Council, Illinoise, USA 2002. http://www.wbcsd.org/web/projects/cement/tf3/fihAp pendices.pdf, (Env and Occupn Sfty and Hlth - Amer) {680}