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タイトルBioaccessibility of Fukushima-accident-derived Cs in soils and the contribution of soil ingestion to radiation doses in children
翻訳タイトルBioaccessibility of Fukushima-accident-derived Cs in soils and the contribution of soil ingestion to radiation doses in children
情報提供機関John Wiley & Sons
著者高原 省五
著者池上 麻衣子
著者米田 稔
著者近藤 均
著者石崎 梓
著者飯島 正史
著者島田 洋子
著者松井 康人
掲載日2017-07
言語eng
ページ数1256p.-1267p.
種別report
内容記述The authors evaluated the bioaccessibility of radioactive cesium using the extraction test with 1N HCl and the physiologically based extraction test (PBET). The bioaccessibilitiy from the PBET was 5.3%, and the extractability by the tests with 1N HCl was 16%. The bioaccessibility was strongly correlated with the extractability. This result demonstrates that the extractability of 1N HCl can be used as a good predictor of the bioaccessibility by the PBET. We assessed the doses to the children from ingestion of soils through hand-to-mouth activity using a probabilistic approach based on the spatial distribution of radioactive cesium in Date city. The geometric mean of the annual committed effective doses to the children of age category 1 y and 5 y is 16 nSv and 8.8 nSv, respectively. Even if the children ingest a large amount of soils with relatively high contamination, the 95th percentile of the doses from this pathway is tens of nSv per year.
情報源JOPSS関連URL関連URL
URIhttps://f-archive.jaea.go.jp/dspace/handle/faa/211370