Study on the spatial distribution of 137Cs content in bottom sediment and benthic species of Mumbai off coast

被引:0
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作者
S. Sugandhi
V. M. Joshi
S. K. Jha
R. M. Tripathi
机构
[1] BARC,Health Physics Division
关键词
Bottom ; ediment; Cs content; Gamma ray spectrometry; Internal dose; General public; Benthic species;
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摘要
The observed 137Cs content in bottom sediment and benthic species of Mumbai off coast varied between 2–370 Bq kg(dry)-1\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$ {\text{Bq kg}}_{{ ( {\text{dry)}}}}^{ - 1} $$\end{document} and <0.08–0.4 Bq kg(wet)-1\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$ {\text{Bq kg}}_{{ ( {\text{wet)}}}}^{ - 1} $$\end{document} respectively. The annual estimated ingestion dose to ‘general public’ due to consumption of benthic species is 0.02 µSv y−1, which is infinitesimally smaller, in comparison to average annual human exposure of 3.01 mSv and also to the internationally accepted public dose limit of 1,000 µSv y−1.
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页码:1345 / 1348
页数:3
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