Evaluation of environmental contamination and estimated radiation doses for the return to residents' homes in Kawauchi Village, Fukushima prefecture.

To evaluate the environmental contamination and radiation exposure dose rates due to artificial radionuclides in Kawauchi Village, Fukushima Prefecture, the restricted area within a 30-km radius from the Fukushima Dai-ichi Nuclear Power Plant (FNPP), the concentrations of artificial radionuclides in...

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Autores principales:	Yasuyuki Taira, Naomi Hayashida, Hitoshi Yamaguchi, Shunichi Yamashita, Yuukou Endo, Noboru Takamura
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2012
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/19089869a2e54a3283c60fe70a3e5490
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spelling	oai:doaj.org-article:19089869a2e54a3283c60fe70a3e54902021-11-18T08:13:54ZEvaluation of environmental contamination and estimated radiation doses for the return to residents' homes in Kawauchi Village, Fukushima prefecture.1932-620310.1371/journal.pone.0045816https://doaj.org/article/19089869a2e54a3283c60fe70a3e54902012-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23049869/?tool=EBIhttps://doaj.org/toc/1932-6203To evaluate the environmental contamination and radiation exposure dose rates due to artificial radionuclides in Kawauchi Village, Fukushima Prefecture, the restricted area within a 30-km radius from the Fukushima Dai-ichi Nuclear Power Plant (FNPP), the concentrations of artificial radionuclides in soil samples, tree needles, and mushrooms were analyzed by gamma spectrometry. Nine months have passed since samples were collected on December 19 and 20, 2011, 9 months after the FNPP accident, and the prevalent dose-forming artificial radionuclides from all samples were (134)Cs and (137)Cs. The estimated external effective doses from soil samples were 0.42-7.2 µSv/h (3.7-63.0 mSv/y) within the 20-km radius from FNPP and 0.0011-0.38 µSv/h (0.010-3.3 mSv/y) within the 20-30 km radius from FNPP. The present study revealed that current levels are sufficiently decreasing in Kawauchi Village, especially in areas within the 20- to 30-km radius from FNPP. Thus, residents may return their homes with long-term follow-up of the environmental monitoring and countermeasures such as decontamination and restrictions of the intake of foods for reducing unnecessary exposure. The case of Kawauchi Village will be the first model for the return to residents' homes after the FNPP accident.Yasuyuki TairaNaomi HayashidaHitoshi YamaguchiShunichi YamashitaYuukou EndoNoboru TakamuraPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 7, Iss 9, p e45816 (2012)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Yasuyuki Taira Naomi Hayashida Hitoshi Yamaguchi Shunichi Yamashita Yuukou Endo Noboru Takamura Evaluation of environmental contamination and estimated radiation doses for the return to residents' homes in Kawauchi Village, Fukushima prefecture.
description	To evaluate the environmental contamination and radiation exposure dose rates due to artificial radionuclides in Kawauchi Village, Fukushima Prefecture, the restricted area within a 30-km radius from the Fukushima Dai-ichi Nuclear Power Plant (FNPP), the concentrations of artificial radionuclides in soil samples, tree needles, and mushrooms were analyzed by gamma spectrometry. Nine months have passed since samples were collected on December 19 and 20, 2011, 9 months after the FNPP accident, and the prevalent dose-forming artificial radionuclides from all samples were (134)Cs and (137)Cs. The estimated external effective doses from soil samples were 0.42-7.2 µSv/h (3.7-63.0 mSv/y) within the 20-km radius from FNPP and 0.0011-0.38 µSv/h (0.010-3.3 mSv/y) within the 20-30 km radius from FNPP. The present study revealed that current levels are sufficiently decreasing in Kawauchi Village, especially in areas within the 20- to 30-km radius from FNPP. Thus, residents may return their homes with long-term follow-up of the environmental monitoring and countermeasures such as decontamination and restrictions of the intake of foods for reducing unnecessary exposure. The case of Kawauchi Village will be the first model for the return to residents' homes after the FNPP accident.
format	article
author	Yasuyuki Taira Naomi Hayashida Hitoshi Yamaguchi Shunichi Yamashita Yuukou Endo Noboru Takamura
author_facet	Yasuyuki Taira Naomi Hayashida Hitoshi Yamaguchi Shunichi Yamashita Yuukou Endo Noboru Takamura
author_sort	Yasuyuki Taira
title	Evaluation of environmental contamination and estimated radiation doses for the return to residents' homes in Kawauchi Village, Fukushima prefecture.
title_short	Evaluation of environmental contamination and estimated radiation doses for the return to residents' homes in Kawauchi Village, Fukushima prefecture.
title_full	Evaluation of environmental contamination and estimated radiation doses for the return to residents' homes in Kawauchi Village, Fukushima prefecture.
title_fullStr	Evaluation of environmental contamination and estimated radiation doses for the return to residents' homes in Kawauchi Village, Fukushima prefecture.
title_full_unstemmed	Evaluation of environmental contamination and estimated radiation doses for the return to residents' homes in Kawauchi Village, Fukushima prefecture.
title_sort	evaluation of environmental contamination and estimated radiation doses for the return to residents' homes in kawauchi village, fukushima prefecture.
publisher	Public Library of Science (PLoS)
publishDate	2012
url	https://doaj.org/article/19089869a2e54a3283c60fe70a3e5490
work_keys_str_mv	AT yasuyukitaira evaluationofenvironmentalcontaminationandestimatedradiationdosesforthereturntoresidentshomesinkawauchivillagefukushimaprefecture AT naomihayashida evaluationofenvironmentalcontaminationandestimatedradiationdosesforthereturntoresidentshomesinkawauchivillagefukushimaprefecture AT hitoshiyamaguchi evaluationofenvironmentalcontaminationandestimatedradiationdosesforthereturntoresidentshomesinkawauchivillagefukushimaprefecture AT shunichiyamashita evaluationofenvironmentalcontaminationandestimatedradiationdosesforthereturntoresidentshomesinkawauchivillagefukushimaprefecture AT yuukouendo evaluationofenvironmentalcontaminationandestimatedradiationdosesforthereturntoresidentshomesinkawauchivillagefukushimaprefecture AT noborutakamura evaluationofenvironmentalcontaminationandestimatedradiationdosesforthereturntoresidentshomesinkawauchivillagefukushimaprefecture
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Evaluation of environmental contamination and estimated radiation doses for the return to residents' homes in Kawauchi Village, Fukushima prefecture.

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