Progress report on safety research on radioactive waste management for the period. April 1995 to March 1996

摘要

This report summarizes the research and development activities on radioactive waste management at the Engineered Barrier Materials Laboratory, Natural Barrier Laboratory and Environmental Geochemistry Laboratory of the Department of Environmental Safety Research during the fiscal year of 1995 (April 1, 1995 - March 31, 1996). The topics are as follows: (1) As for waste forms and engineered barrier material, performance assessment studies were carried out on various waste forms. (2) In the safety evaluation study for shallow land disposal, migration behavior of radionuclides in a soil layer was studied. (3) In the safety evaluation study for geological disposal, chemical behavior of radionuclides in water, nuclide migration in geosphere and groundwater flow system were studied. Migration of uranium series nuclides in uranium ore deposit was studied as a part of natural analog study. (author)