Consideration on establishing process of proliferation resistance in Tokai Reprocessing Plant (TRP)

Ishiyama, Koichi ; Yamamura, Osamu

Tokai Reprocessing Plant (TRP) started the hot operation test in 1975 and had safely and stably reprocessed for more than 30 years, and completed the reprocessing of 1116 tons of spent fuels (SF) by contract for service with electric power companies in the spring of 2006. During the reprocessing operations, TRP had made every effort to validate the nuclear proliferation resistance technique for plutonium, etc.. First of all, as part of technical development for nuclear material accountancy (MA) and SG, TRP developed Solution Measurement and Monitoring System to confirm no abnormal proliferation of nuclear material. Moreover, IAEA appreciated the transparent MA by TRP, because TRP has developed many SG technologies and cooperated in a positive manner to make a success of various IAEA's inspections through the past reprocessing operations. As a result, Integrated Safeguards has been introduced into TRP since 2008 and TRP is the first reprocessing facility worldwide to have attained it.