Analysis of nuclear materials in process solution during flush-out activities for decommissioning of reprocessing plant

Yamamoto, Masahiko  ; Horigome, Kazushi ; Goto, Yuichi ; Taguchi, Shigeo 

Flush-out activities of Tokai Reprocessing Plant were completed in February, 2024. Since it contained remaining nuclear materials in main process of the facility, purpose of activities was to flush-out them and to rinse with nitric acid solution. This paper describes analysis of nuclear materials related to flush-out activities.