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Determination of atmospheric radiocesium on filter tapes used at automated SPM monitoring stations for estimation of transport pathways of radionuclides from Fukushima Dai-ichi Nuclear Power Plant

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Abstract

Suspended particulate matters (SPM) collected hourly at that time of Fukushima Dai-ichi Nuclear Plant accident in 2011 on a filter tape at many automated SPM monitoring stations located widely in eastern Japan was analyzed in order to determine atmospheric radiocesium concentration. Precise time series of 137Cs concentrations in wide areas of eastern Japan were revealed. Analysis of radioactivity of SPM collected on filter tapes by automated SPM monitoring stations even at 1–2 years after the accident is concluded to give very valuable information to resolve the matter of radioactive contamination by Fukushima accident.

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Acknowledgments

We appreciate local governments and their persons concerned for keeping SPM filter tapes and offering us them.

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Authors and Affiliations

  1. Department of Chemistry, Tokyo Metropolitan University, 1-1 Minami-Osawa, Hachioji, Tokyo, 192-0397, Japan

    Yasuji Oura & Mitsuru Ebihara

  2. Atmosphere and Ocean Research Institute, The University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba, 277-8564, Japan

    Haruo Tsuruta & Teruyuki Nakajima

  3. Fukushima Project Office, National Institute for Environmental Studies, 16-2 Onogawa, Tsukuba, Ibaraki, 305-8506, Japan

    Toshimasa Ohara

  4. Nuclear Professional School, The University of Tokyo, 2-4 Shirakata-Shirane, Tokai, Ibaraki, 319-1195, Japan

    Mitsunori Ishimoto & Yosuke Katsumura

Authors
  1. Yasuji Oura
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  2. Mitsuru Ebihara
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  3. Haruo Tsuruta
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  4. Teruyuki Nakajima
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  5. Toshimasa Ohara
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  6. Mitsunori Ishimoto
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  7. Yosuke Katsumura
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Correspondence to Yasuji Oura.

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Oura, Y., Ebihara, M., Tsuruta, H. et al. Determination of atmospheric radiocesium on filter tapes used at automated SPM monitoring stations for estimation of transport pathways of radionuclides from Fukushima Dai-ichi Nuclear Power Plant. J Radioanal Nucl Chem 303, 1555–1559 (2015). https://doi.org/10.1007/s10967-014-3662-4

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  • DOI: https://doi.org/10.1007/s10967-014-3662-4

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