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IAEA保障措置技術及び人材育成に対するJAEAの貢献

JAEA's contribution for R&D and human resource development on implementing IAEA safeguards

直井 洋介; 小田 哲三; 富川 裕文

Naoi, Yosuke; Oda, Tetsuzo; Tomikawa, Hirofumi

日本は1955年に制定された原子力基本法に従い、原子力の研究開発、原子力エネルギーの利用を平和目的に限って推進してきた。平和目的に限られていることを担保するため、事業者は計量管理を行い、IAEAと保障措置協定を締結する以前は二国間原子力協定(日米,日仏,日加等)に基づき報告を行い、1977年のIAEAとの保障措置協定を締結後は国内法が改定され、それに基づき計量管理及びその報告が行われてきた。1999年には追加議定書を締結して新たな義務を負うIAEAの保障措置活動に対応してきており、これまでわが国の原子力活動についての申告の正確性と完全性がIAEAによって検認されてきている。2004年には、核物質の転用や未申告の活動はないとの「拡大結論」を得て以降、これまで毎年この拡大結論を得てきている。本報告では、原子力機構がこれまで取り組んできたIAEAの保障措置に必要な技術開発や人材育成への協力などIAEA保障措置活動への貢献について報告する。

Japan has been promoting nuclear energy research and development, and the use of nuclear energy for only peaceful purposes in accordance with Atomic Energy Basic Acts enacted in 1955. In order to ensure limited to their peaceful utilization, it has been performing a nuclear material accountancy and reporting it based on bilateral nuclear agreement (Japan and the United States, Japan and France, Japan and Canada and so on) before concluding the comprehensive safeguards agreement with the IAEA. After the conclusion of that in 1977, the Japanese national law had been revised. The nuclear material accountancy and its reports to the IAEA have been implemented based on the revised law. In 1999, Japan ratified the additional protocol. Then it has been responding a new obligation in the additional protocol. The correctness and completeness of the declaration of nuclear activities in Japan have been verified by the IAEA, and then the "broader conclusion" was given to Japan in 2004. There indicates no diversion or undeclared nuclear activities in Japan. Since then Japan has been obtaining the "broader conclusion" every year. In this report we will report the JAEA's contribution to the IAEA safeguards on technical research and development and human resource development.

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