Po-210 in the marine biota of Korean coastal waters and the effective dose from seafood consumption
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Title
- Po-210 in the marine biota of Korean coastal waters and the effective dose from seafood consumption
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Author(s)
- Kim, S. H.; Hong, G. H.; Lee, H. M.; Cho, B. E.
- KIOST Author(s)
- Lee, Hyun Mi(이현미)
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Alternative Author(s)
- 김석현; 홍기훈; 이현미; 조보은
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Publication Year
- 2017-08
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Abstract
- The activity concentrations of Po-210 were determined in plankton and selected species of macroalgae, crustaceans, molluscs, and fish from Korean coastal waters to understand Po-210 distribution in these trophic levels and to assess the effective dose of Po-210 from seafood ingested by the average Korean. The activity concentration of Po-210 in macroalgae, mixed plankton, anchovy (whole body), abalone muscle, and abalone viscera was 0.97-1.43, 32-137, 59-392, 2.93 +/- 0.86, and 1495 +/- 484 Bq kg(-1) (w.w.), respectively. Polonium-210 concentration in the whole flesh of mussel and oyster were 47.8 +/- 5.9 and 45.3 +/- 7.1 Bq kg(-1) (w.w.), respectively. Polonium-210 concentration in the muscle of the five tested species of fish other than anchovy ranged from 0.51 to 5.56 Bq kg(-1) (w.w.), with the lowest amount in a demersal species. In fish, Po-210 activity concentration was as much as three orders of magnitude higher in viscera than in muscle. The average annual effective Po-210 dose per average Korean adult, who consumes 42.8 kg of seafood a year (excluding anchovy), was estimated to be 94 mu Sv y(-1), with 42-71% of this attributed to shellfish. Further studies are required to assess the dose of Po-210 from anchovy owing to its high activity concentration and the manner in which anchovy is consumed. (C) 2016 The Authors. Published by Elsevier Ltd.
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ISSN
- 0265-931X
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URI
- https://sciwatch.kiost.ac.kr/handle/2020.kiost/2121
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DOI
- 10.1016/j.jenvrad.2016.11.001
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Bibliographic Citation
- JOURNAL OF ENVIRONMENTAL RADIOACTIVITY, v.174, pp.30 - 37, 2017
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Publisher
- ELSEVIER SCI LTD
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Subject
- MYTILUS-GALLOPROVINCIALIS; PB-210; INGESTION; MUSSELS; FOOD; RADIOACTIVITY; RADIONUCLIDES; ACCUMULATION; MACROALGAE; ORGANISMS
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Keywords
- Dose; Ingestion; Marine organism; Po-210
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Type
- Article
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Language
- English
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Document Type
- Article; Proceedings Paper
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