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福島第一事故廃棄物のインベントリ評価手法の開発,4; 瓦礫の汚染

Development of inventory evaluation methods for the radioactive wastes of Fukushima Daiichi Nuclear Power Station, 4; Contaminated rubble

駒 義和; 芦田 敬

Koma, Yoshikazu; Ashida, Takashi

原子炉建屋の爆発に伴い生じた瓦礫の汚染に関して、放射性核種の濃度を燃料組成により規格化して検討した。Srの瓦礫への移行しやすさは滞留水への場合に比べて小さい。$$^{3}$$Hと$$^{14}$$Cの移行には相関の可能性が見られた。

Contamination of rubble generated by the explosion of the reactor buildings was investigated by normalizing the radionuclide concentrations with the fuel composition. Transport of Sr to the rubble was smaller than that to the accumulated water. Correlation was suggested for transport of $$^{3}$$H and $$^{14}$$C.

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