*Shuukhaaz Ganbat¹, Noriko Hasebe², Davaadorj Davaasuren³, Uyangaa Udaanjargal³, Shinya Ochiai⁴, Yuma Shibuya¹ (1.Graduate School of Natural Science and Technology, Division of Natural System, Kanazawa University, 2.Institute of Nature and Environmental Technology, Kanazawa University, 3.School of Arts and Sciences, National University of Mongolia, 4.Low level Radioactivity Laboratory, Institute of Nature and Environmental Technology, Kanazawa University)

*Seiya Nagao¹, Tetsuya Matsunaka¹, Baasansuren Gankhurel¹, Keisuke Fukushi¹, Ryo Sugimoto², Shinya Ochiai¹ (1.Institute of Nature and Environmental Technology, Kanazawa University, 2.Faculty of Marine Science and Technology, Fukui Prefectural University)

*Yui Itayama¹, Asuka Hayano¹, Yushi Kamegai¹, Shiori Yasuda¹, Takuma Murakami², Shinya Ochiai³, Masakazu Niwa⁴, Nagayoshi Katsuta¹ (1.Gifu University, 2.Horonobe Research Inst. for the Subsurface Environment, 3.Institute of Nature and Environmental Technology, Kanazawa University, 4.Japan Atomic Energy Agency)