Experiences of Population Monitoring Using Whole-Body Counters in Response to the Fukushima Nuclear Accident

Whole-body counter measurements of residents of Fukushima Prefecture have been extensively performed after the Fukushima Dai-ichi Nuclear Power Plant accident in March 2011. These measurements have demonstrated that the levels of internal contamination with radioactive cesium (Cs and Cs) in the resi...

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Published inHealth physics (1958) Vol. 115; no. 2; p. 259
Main Authors Kurihara, Osamu, Li, Chunsheng, Lopez, Maria Antonia, Kim, Eunjoo, Tani, Kotaro, Nakano, Takashi, Takada, Chie, Momose, Takumaro, Akashi, Makoto
Format Journal Article
LanguageEnglish
Published United States 01.08.2018
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Summary:Whole-body counter measurements of residents of Fukushima Prefecture have been extensively performed after the Fukushima Dai-ichi Nuclear Power Plant accident in March 2011. These measurements have demonstrated that the levels of internal contamination with radioactive cesium (Cs and Cs) in the residents are very low. This article provides an overview of and lessons learned from these whole-body counter measurements with emphasis on the technical problems encountered, and it discusses the effective use of whole-body counters for assessing the internal thyroid doses of individuals when direct measurements of I in the thyroid are difficult or impossible to implement for the total affected population in a short time after a nuclear reactor accident. The application of this dose reconstruction method requires determining the intake ratio of I to cesium isotopes at appropriate times and considers the short biological half-lives of cesium isotopes, in particular for children.
ISSN:1538-5159
DOI:10.1097/hp.0000000000000862