Cesium concentrations in various environmental media at Namie, Fukushima

The radioactivity of cesium in the water and sediments of two major rivers was measured along with airborne radioactivity in Namie Town, after the recent partial lift on the evacuation order in 2017. The observed concentrations were up to 384 ± 11 mBq/L for 137 Cs in unfiltered water and 1.28 ± 0.09...

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Bibliographic Details
Published in:Journal of radioanalytical and nuclear chemistry 2020, Vol.323 (1), p.197-204
Main Authors: Hegedűs, M., Shiroma, Y., Iwaoka, K., Hosoda, M., Suzuki, T., Tamakuma, Y., Yamada, R., Tsujiguchi, T., Yamaguchi, M., Ogura, K., Tazoe, H., Akata, N., Kashiwakura, I., Tokonami, S.
Format: Article
Language:English
Subjects:
Airborne sensing
Cesium
Cesium 137
Cesium isotopes
Chemistry
Chemistry and Materials Science
Diagnostic Radiology
Emergency medicine
Hadrons
Heavy Ions
Inorganic Chemistry
Nuclear Chemistry
Nuclear energy
Nuclear fuel cycle
Nuclear Physics
Physical Chemistry
Radiation
Radioactivity
Rivers
Sediments
Sediments (Geology)
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Summary:The radioactivity of cesium in the water and sediments of two major rivers was measured along with airborne radioactivity in Namie Town, after the recent partial lift on the evacuation order in 2017. The observed concentrations were up to 384 ± 11 mBq/L for 137 Cs in unfiltered water and 1.28 ± 0.09 mBq m −3 for 137 Cs in air, while the sediment had a maximum of 44,900 ± 23 Bq kg −1 for 137 Cs. The potential yearly committed effective dose was estimated based on the data.
ISSN:0236-5731
1588-2780
DOI:10.1007/s10967-019-06942-7