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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
18 March 2010

Mill tailings

Naturally radioactive residue from the processing of uranium ore into yellowcake in a mill. Although the milling process recovers about 93 percent of the uranium, the residues, or tailings, contain several naturally occurring radioactive elements, including uranium, thorium, radium, polonium, and radon.
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