Environmental Radioactivity during Active Testing at the Rokkasho Reprocessing Plant—Effects on Environment by Released Radionuclides

Japan’s first commercial spent nuclear fuel reprocessing plant in Rokkasho, Aomori Prefecture, is currently undergoing final active testing. Spent fuel rods under active test were sheared and dissolved from 2006 to 2008, and radionuclides such as 3H, 14C, 85Kr and 129I, were released to the atmosphe...

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Published inRADIOISOTOPES Vol. 73; no. 1; pp. 81 - 99
Main Authors Ueda, Shinji, Hasegawa, Hidenao, Kakiuchi, Hideki, Ohtsuka, Yoshihito, Abe, Koichi, Akata, Naofumi, Ochiai, Shinya
Format Journal Article
LanguageJapanese
English
Published Japan Radioisotope Association 15.03.2024
Subjects
active test
dose assessment
environmental sample
radioactivity
Rokkasho reprocessing plant
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Summary:Japan’s first commercial spent nuclear fuel reprocessing plant in Rokkasho, Aomori Prefecture, is currently undergoing final active testing. Spent fuel rods under active test were sheared and dissolved from 2006 to 2008, and radionuclides such as 3H, 14C, 85Kr and 129I, were released to the atmosphere and ocean. This manuscript summarizes the effects of the active tests at the plant on the ambient radiation and radioactivity in environmental samples, based mainly on our research results and previously published literature.
ISSN:0033-8303
1884-4111
DOI:10.3769/radioisotopes.73.81