Japan Atomic Energy Agency's efforts to the CTBT verification regime

Yamamoto, Yoichi ; Kijima, Yuichi ; Tomita, Yutaka 

As a member of the CTBT National Operation System of Japan (NOSJ), JAEA monitors and evaluates radionuclides derived from nuclear tests. For this purpose, Takasaki and Okinawa radionuclide stations, Tokai radionuclide laboratory, and a national data center already were put in place and have been operated. This presentation introduces outline of NOSJ and each facility, the response to a nuclear test event, JAEA's recent activities etc.