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Environmental remediation following the Fukushima-Daiichi accident

福島第一原子力事故後の環境回復について

田川 明広; 中山 真一; 宮原 要

Tagawa, Akihiro; Nakayama, Shinichi; Miyahara, Kaname

東京電力福島第一原子力発電所事故によって放出された放射能により、福島県の広大な面積が汚染された。原子力機構は指定公共機関として、被災地の放射線モニタリング等を行い、除染についてもさまざまな実証試験を研究開発した。特に、除染関連の活動は、原子力機構の主要な貢献の一つで、前例のない除染の技術サポートを行い、モデル実証事業等を行った。本論文は、原子力機構が実施した事業のうち、除染モデル実証事業に焦点を当ててその知見や経験を紹介している。

A wide area of Fukushima Prefecture was contaminated with radioactivity released by the Fukushima Daiichi nuclear accident. Japan Atomic Energy Agency (JAEA) has been involved in mitigating the effects of the accident in a diversifying ways from the emergency dispatch of radiation experts immediately after the accident and radiation monitoring in the affected areas to demonstrate of decontamination for a variety of targets, public affairs with evacuated populations, and research and development activities for environmental remediation. The decontamination related activity is one of the major contributions of JAEA to environmental remediation, providing technical supports to the unprecedented regional decontamination in Fukushima that have been carried out by the central and local governments of Japan. JAEA's experiences and expertise obtained are overviewed in this paper focusing on the decontamination pilot project.

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