Method for reducing radiation dose of radiation-contaminated soil

摘要

PROBLEM TO BE SOLVED: To provide a method of reducing a radiation dose of radiation-contaminated soil, simple and high in reliability, compatible with recontamination, and capable of decreasing the need to ship the treated contaminated soil to outside as much as possible.SOLUTION: A solidified layer 3 is obtained by mixture of molten slag containing soluble silicate as a main component with cement, and the solidified layer 3 is provided on a surface layer portion of a soil 2 contaminated with radioactive cesium, and water is sprinkled over the soil 2 in this state.