Annual report on operation and, utilization of Hot Laboratories; From April 1, 2005 to March 31, 2006

Sampei, Shinichi

This is an annual report in a fiscal year of 2006 that describes activities of the Reactor Fuel Examination Facility (RFEF), the Waste Safety Testing Facility (WASTEF) and the Research Hot Laboratory (RHL) in the Department of Hot laboratories and facilities. In RFEF, destructive and nondestructive examinations of BWR fuel rods and assembly component were carried out as PIEs for a fuel assembly irradiated for 5 cycles in the Fukushima-2 Nuclear Power Station Unit-1. In WASTEF, SSRT and UCLT for detecting the susceptibility to IASCC of nuclear reactor structural materials in high-temperature water were performed. In RHL, instrument withdrawals and decontamination were performed to SE cells and lead cells that would be dismantled in 2006 or later according to the decommissioning plan. After the integration of JAERI and JNC, operations and utilizations of No.1 Plutonium Laboratory and Uranium Enrichment Laboratory, etc. have been started.