Measurement of radiation environment inside residential houses in radioactive contaminated areas due to the Fukushima nuclear accident | Zendy

Masashi Takada | Zendy; So Kamada | Zendy; Kazuaki Yajima | Zendy; Kazuki Iwaoka | Zendy; Hiroko Enomoto | Zendy; Hiroyuki Tabe | Zendy; Hidenori Yonehara | Zendy; Nobuyuki Sugiura | Zendy

Open Access

Measurement of radiation environment inside residential houses in radioactive contaminated areas due to the Fukushima nuclear accident

Author(s) -

Masashi Takada,

So Kamada,

Kazuaki Yajima,

Kazuki Iwaoka,

Hiroko Enomoto,

Hiroyuki Tabe,

Hidenori Yonehara,

Nobuyuki Sugiura

Publication year - 2014

Publication title -

progress in nuclear science and technology

Language(s) - English

Resource type - Journals

ISSN - 2185-4823

DOI - 10.15669/pnst.4.43

Subject(s) - fukushima nuclear accident , radioactive contamination , contamination , environmental science , radiation exposure , radioactive waste , nuclear engineering , radionuclide , waste management , nuclear power plant , engineering , nuclear medicine , nuclear physics , physics , medicine , ecology , biology

The radiation environment inside residential houses was measured at MinamiSoma-shi and Iitate-mura in Fukushima Prefecture. The average measured reduction coefficients, which are the ratios of the indoor and outdoor ambient-dose-equivalent rates were 0.35 and 0.45 at the centers of the first and second floors, respectively. The indoor dose rates on the second floors were larger than those on the first floors. The indoor dose rates increased with measurement height. The indoor and outdoor photon energy spectra were measured, revealing that the indoor scattered photon component is larger than the outdoor one.

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