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Workshop Report on Atomic Bomb Dosimetry—RESIDUAL Radiation Exposure: Recent Research and Suggestions for Future Studies

Kerr, George D.*; Egbert, Stephen D.; Al-Nabulsi, Isaf; Beck, Harold L.§; Cullings, Harry M.**; Endo, Satoru††; Hoshi, Masaharu‡‡; Imanaka, Tetsuji§§; Kaul, Dean C.***; Maruyama, Satoshi†††; Reeves, Glen I.‡‡‡; Ruehm, Werner§§§; Sakaguchi, Aya‡‡; Simon, Steven L.****; Spriggs, Gregory D.††††; Stram, Daniel O.‡‡‡‡; Tonda, Tetsuji‡‡; Weiss, Joseph F.; Weitz, Ronald L.§§§§; Young, Robert W.*****

doi: 10.1097/HP.0b013e31828ca73a

Abstract: There is a need for accurate dosimetry for studies of health effects in the Japanese atomic bomb survivors because of the important role that these studies play in worldwide radiation protection standards. International experts have developed dosimetry systems, such as the Dosimetry System 2002 (DS02), which assess the initial radiation exposure to gamma rays and neutrons but only briefly consider the possibility of some minimal contribution to the total body dose by residual radiation exposure. In recognition of the need for an up-to-date review of the topic of residual radiation exposure in Hiroshima and Nagasaki, recently reported studies were reviewed at a technical session at the 57th Annual Meeting of the Health Physics Society in Sacramento, California, 22-26 July 2012. A one-day workshop was also held to provide time for detailed discussion of these newer studies and to evaluate their potential use in clarifying the residual radiation exposures to the atomic-bomb survivors at Hiroshima and Nagasaki. Suggestions for possible future studies are also included in this workshop report.

*Kerr Consulting, Knoxville, TN and Oak Ridge Associated Universities; †Science Applications International Corporation (SAIC), San Diego, CA; ‡U.S. Department of Energy, Washington, DC; §U.S. Department of Energy (retired), New York, NY; **Radiation Effects Research Foundation, Hiroshima, Japan; ††Prefectural University of Hiroshima, Japan; ‡‡Hiroshima University, Japan; §§Kyoto University, Japan; ***SAIC (retired), Park City, UT; †††Ministry of Health, Labour and Welfare, Tokyo, Japan; ‡‡‡Applied Research Associates, Arlington, VA; §§§Helmholtz Zentrum Muenchen, German Research Center for Environmental Health, Neuherberg, Germany; ****National Cancer Institute, National Institutes of Health, Bethesda, MD; ††††Lawrence Livermore National Laboratory, Livermore, CA; ‡‡‡‡University of Southern California, Los Angeles, CA; §§§§SAIC, Albuquerque, NM; *****Defense Nuclear Agency (retired), Winter Park, FL.

The authors declare no conflicts of interest.

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For correspondence contact: George D. Kerr, Oak Ridge Associated Universities, P.O. Box 117, Oak Ridge, TN 37831-0117, or email at

(Manuscript accepted 11 February 2013)

© 2013 by the Health Physics Society