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OECD/NEAにおける廃止措置に関する最近の活動状況

Recent activities related to decommissioning in nuclear energy agency of OECD

柳原 敏

Yanagihara, Satoshi

欧米の原子力先進国ではさまざまな原子力施設の廃止措置活動が進められている。このような状況を背景に、OECD/NEAでは廃止措置に関するさまざまな課題を取り上げ、課題解決に向けた検討を進めている。廃止措置プロジェクトに関する科学技術情報交換協力計画では、廃止措置プロジェクトの技術課題を中心に情報交換が行われ、廃止措置と解体に関する作業部会では、廃止措置の規制,廃止措置作業の実施,技術開発に関する検討が行われている。また、廃止措置費用の評価,規制の経験に関する検討が行われ報告書が公開されている。このようなOECD/NEAの活動はわが国の原子力施設の廃止措置を安全で効率的に実施するうえで有用である。本報告はOECD/NEAの廃止措置に関する最近の活動状況をまとめたものである。

Decommissioning of nuclear facilities has been actively progressed in the major member countries participating to OECD/NEA. The NEA has recognized necessity of studying various issues related to decommissioning nuclear facilities and it has made an approach to solve the issues from various ways. In the cooperative program for decommissioning (CPD), information on decommissioning projects has been exchanged among the member countries. In the working party on decommissioning and dismantling (WPDD), recent issues have been studied in terms of regulation, implementation of decommissioning projects and research and development on technologies. Decommissioning cost and regulatory practices were also studies and the reports were published, which will be useful for understanding the present issues on decommissioning in the world. The NEA's activity on decommissioning will be valuable for us to implement decommissioning projects in safe and economical manner in Japan. This report deals with the recent NEA activities on decommissioning.

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