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Activities concentration of radiocesium in wild mushroom collected in Ukraine 30 years after the Chernobyl power plant accident


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タイトル: Activities concentration of radiocesium in wild mushroom collected in Ukraine 30 years after the Chernobyl power plant accident
著者: Orita, Makiko / Kimura, Yuko / Taira, Yasuyuki / Fukuda, Toshiki / Takahashi, Jumpei / Gutevych, Oleksandr / Chornyi, Serghii / Kudo, Takashi / Yamashita, Shunichi / Takamura, Noboru
発行日: 2018年 1月 5日
出版者: PeerJ Inc.
引用: PeerJ, 6, 4222; 2018
抄録: Mushrooms are recognized as one of the main contributors to internal radiation exposure from the activity concentration of radiocesium released by the accident at the Chernobyl nuclear power plant (CNNP). We evaluated the activity concentrations of the artificial radionuclides (radiocesium) in wild mushrooms collected in 2015 from Korosten and Lugine, Zhitomir region, Ukraine, located 120 km away from the CNPP. Cesium-137 was detected in 110 of 127 mushroom samples (86.6%). Based on the average mushroom consumption (5 kg per year), we calculated committed effective doses ranging from 0.001-0.12 mSv. Cesium-137 remains in the wild mushrooms even 30 years after the accident, but the committed effective doses are limited by the amount of contaminated mushrooms consumed. However, evaluation of internal radiation exposure and assessment of environmental radioactivity in the surrounding area affected by the nuclear accident are still necessary in order to relieve anxiety about internal radiation exposure, as long as the possibility of consumption of contaminated mushrooms remains.
キーワード: Effective dose / Nuclear power plant accident / Radiocesium / Wild mushroom
URI: http://hdl.handle.net/10069/38290
DOI: 10.7717/peerj.4222
権利: © 2018 Orita et al. Distributed under Creative Commons CC-BY 4.0
資料タイプ: Journal Article
原稿種類: publisher
出現コレクション:115 学術雑誌論文

引用URI : http://hdl.handle.net/10069/38290

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