Authors:
M. Yamamoto Kanazawa University Low Level Radioactivity Laboratory Nomi-shi Ishikawa 923-1224 Japan

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A. Sakaguchi Kanazawa University Low Level Radioactivity Laboratory Nomi-shi Ishikawa 923-1224 Japan

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J. Tomita Kanazawa University Low Level Radioactivity Laboratory Nomi-shi Ishikawa 923-1224 Japan

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T. Imanaka Kyoto University Research Reactor Institute Kumatori-cho Osaka 590-0494 Japan

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K. Shiraishi National Institute of Radiological Sciences Anagawa, Inage-ku Chiba 263-8555 Japan

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Abstract  

To estimate the dietary intakes of 210Pb and 210Po for the Japanese adults and their annual effective doses, 210Pb and 210Po were measured for 240 daily diet samples collected at two locations of Ishikawa Prefecture in Japan over three years by duplicate portion studies. No appreciable differences in intake rates of 210Pb and 210Po and their 210Po/210Pb ratios were seen among the years in each district, and between the two districts. The intake rates evaluated using 240 diet samples were 0.20 Bq/d/p for 210Pb and 0.61 Bq/d/p for 210Po as a median, respectively. Annual effective doses of 210Pb and 210Po for Japanese adults were estimated to be 0.050 and 0.053 mSv/y, respectively.

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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
Foundation
1968
Volumes
per Year
1
Issues
per Year
12
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)