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Upcoming Events
.	2010 Summer Professional Development School Internal Dosimetry 23 - 26 June 2010 Idaho State University, Pocatello, Idaho
.	International Conference on Radiation Protection in Medicine 1-3 September 2010 Varna, Bulgaria
.	2010 Meeting of the Air Monitoring Users Group 4-7 May 2010 Las Vegas, NV

22 March 2010

Natural uranium

Uranium as found in nature. It contains about 0.7 percent uranium-235, 99.3 percent uranium-238, and a trace of uranium-234.