Practical Approach to Decontamination of Radioactive Cesium-Contaminated Matter in Agricultural Region by Improved Wet Classification and Use of Geomaterials

Kenichi ITO1,, Hidetaka MIYAHARA2, Toru UJIIE3, Toshikatsu TAKESHIMA4, Shingo YOKOYAMA5, Kotaro NAKATA5, Tetsushi NAGANO6, Tsutomu SATO7, Tamao HATTA8 and Hirohisa YAMADA2 1Department of Geo Environmental Preservation, Center for International Relations, University of Miyazaki, 11 Gakuenkibanadai-nishi, Miyazaki-shi, Miyazaki 8892192, Japan 2Environmental Remediation Materials Unit, Environment and Energy Materials Division, National Institute for Materials Science, 11 Namiki, Tsukuba-shi, Ibaraki 3050044, Japan 3Japan Conservation Engineers & Co., Ltd., 11211 Kitaurawa, Urawa-ku, Saitama 3300074, Japan 4Astec Tokyo Co., Ltd., 5213 Hirai, Edogawa-ku, Tokyo 1320035, Japan 5Nuclear Fuel Cycle Backend Research Center, Civil Engineering Research Laboratory, Central Research Institute of Electric Power Industry, 1646 Abiko, Abiko-shi, Chiba 2701194, Japan 6Nuclear Science and Engineering Directorate, Japan Atomic Energy Agency, 24 Shirakatashirane, Tokai-mura, Naka-gun, Ibaraki 3191195, Japan 7Division of Sustainable Resources Engineering, Department of Socio-Environmental Engineering, Faculty and Graduate School of Engineering, Hokkaido University, Kita-13, Nishi-8, Kita-ku, Sapporo 0608628, Japan 8Environmental Resources Division, Japan International Research Center for Agricultural Sciences, 11 Ohwashi, Tsukuba-shi, Ibaraki 3058686, Japan