1. Radioactive Waste Management Funding and Research Center (RWMC), Tokyo, Japan
2. IHI Corporation, Yokohama, Kanagawa, Japan
3. Mitsubishi Heavy Industries, Ltd., Kobe, Hyogo, Japan
4. Japan Power Engineering and Inspection Corporation, Yokohama, Kanagawa, Japan
5. Kobe Steel, Ltd., Kobe, Hyogo, Japan