From 1998 through 2005, the facilities for research and development (R&D) of uranium ore-dressing and uranium fuel etc. were decommissioned and soil contaminated by uranium was collected. All the pieces of apparatus in the nuclear facilities which might be contaminated with uranium were treated as radioactive wastes. At the time of the decommissioning activity, there was no specific value to judge as radioactive wastes. So MMC considered and adopted the pragmatic procedure to judge that soil was radioactive waste or not. During decommissioning facilities and collecting soil, the environmental monitoring was conducted. And it was confirmed that these activities had no influence on the surrounding areas. All decommissioning activities were finished with no difficulty. The wastes generated from the decommissioning activities were packed in the steel containers and have been stored safely in the storehouse built in the same area. In this report, the details of decommissioning activities are described.
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ASME 2010 13th International Conference on Environmental Remediation and Radioactive Waste Management
October 3–7, 2010
Tsukuba, Japan
Conference Sponsors:
- Nuclear Engineering Division and Environmental Engineering Division
ISBN:
978-0-7918-5453-2
PROCEEDINGS PAPER
Procedure and Results of Decommissioning of R&D Facility of Uranium Fuel Available to Purchase
Hirokazu Tanaka,
Hirokazu Tanaka
Mitsubishi Materials Corporation, Saitama, Saitama, Japan
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Masao Shimizu,
Masao Shimizu
Mitsubishi Materials Corporation, Saitama, Saitama, Japan
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Susumu Tojo,
Susumu Tojo
SERNUC Corporation, Saitama, Saitama, Japan
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Ryoji Tanimoto,
Ryoji Tanimoto
Mitsubishi Materials Corporation, Saitama, Saitama, Japan
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Kazuhiko Maekawa,
Kazuhiko Maekawa
Mitsubishi Materials Corporation, Saitama, Saitama, Japan
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Shinzo Ueta
Shinzo Ueta
Mitsubishi Materials Corporation, Saitama, Saitama, Japan
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Hirokazu Tanaka
Mitsubishi Materials Corporation, Saitama, Saitama, Japan
Masao Shimizu
Mitsubishi Materials Corporation, Saitama, Saitama, Japan
Susumu Tojo
SERNUC Corporation, Saitama, Saitama, Japan
Ryoji Tanimoto
Mitsubishi Materials Corporation, Saitama, Saitama, Japan
Kazuhiko Maekawa
Mitsubishi Materials Corporation, Saitama, Saitama, Japan
Shinzo Ueta
Mitsubishi Materials Corporation, Saitama, Saitama, Japan
Paper No:
ICEM2010-40166, pp. 565-571; 7 pages
Published Online:
April 5, 2011
Citation
Tanaka, H, Shimizu, M, Tojo, S, Tanimoto, R, Maekawa, K, & Ueta, S. "Procedure and Results of Decommissioning of R&D Facility of Uranium Fuel." Proceedings of the ASME 2010 13th International Conference on Environmental Remediation and Radioactive Waste Management. ASME 2010 13th International Conference on Environmental Remediation and Radioactive Waste Management, Volume 2. Tsukuba, Japan. October 3–7, 2010. pp. 565-571. ASME. https://doi.org/10.1115/ICEM2010-40166
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