*Frances Chikanda¹, Tsubasa Otake², Tatsuya Matsui¹, Sereyroith Tum¹, Tsutomu Sato² (1.Division of Sustainable Resources Engineering, Graduate School of Engineering, Hokkaido University, 2.Division of Sustainable Resources Engineering, Faculty of Engineering, Hokkaido University)

*Masahito Ikeda¹, Tsubasa Otake², Nakayama Ken³, Tsutomu Sato² (1.Division of Sustainable Resource Engineering, Graduate School of Engineering, Hokkaido University, 2.Division of Sustainable Resource Engineering, Faculty of Engineering, Hokkaido University, 3.Center for Advanced Marine Core Research, Kochi University)

Kyaw Zay Ya², *Tsubasa Otake¹, Kenzo Sanematsu³, Tsutomu Sato¹ (1.Division of Sustainable Resources Engineering, Faculty of Engineering, Hokkaido University, 2.Division of Sustainable Resources Engineering, Graduate School of Engineering, Hokkaido University, 3.Institute for Geo-Resources and Environment, National Institute of Advanced Industrial Science and Technology)

*Tsutomu Sato¹, Misato Shimbashi^2,3, Naoki Fujii⁴, Minoru Yamakawa⁴, Takeshi Kasama⁵, Tsubasa Otake¹ (1.Faculty of Engineering, Hokkaido University, 2.Graduate School of Engineering, Hokkaido University, 3.Central Research Institute of Electric Power Industry, 4.Radioactive Waste Management Funding and Research Center, 5.Technical University of Denmark)

*Yuki Sakuma¹, Yuto Nishiki¹, Ryosuke Kikuchi², Tsubasa Otake², Tsutomu Sato² (1.Graduate school of Engineering, Hokkaido university, 2.Faculty of Engineering, Hokkaido University)

*Kanako Toda¹, Takumi Saito², Ryosuke Kikuchi¹, Tsubasa Otake¹, Tsutomu Sato¹ (1.Faculty of Engineering, Hokkaido University, 2.School of Engineering, The University of Tokyo)

*Sereyroith Tum¹, Tsutomu Sato², Tatsuya Matsui¹, Sitha Kong³, Yoko Ohtomo², Ryosuke Kikuchi², Tsubasa Otake² (1.Graduate School of Engineering, Hokkaido University, 060-8628, Sapporo, Japan , 2.Faculty of Engineering, Hokkaido University, 060-8628, Sapporo, Japan, 3.Geology Department, Ministry of Mine and Energy, 12210, Phnom Penh, Cambodia)

*RYOHEI SUGIURA¹, Tsubasa Otake², Daizo Yamauchi¹, Yoko Ohtomo², Tsutomu Sato² (1.Graduate school of Engineering, Hokkaido University, 2.Facility of Engineering, Hokkaido University)

*Tatsuya Matsui¹, Sereyroith Tum¹, Frances Chikanda ¹, Yoko Ohtomo², Tsubasa Otake², Ryosuke Kikuchi², Tsutomu Sato² (1.Graduate School of Engineering, Hokkaido University, 2.Faculty of Engineering, Hokkaido University)

*Yoko Ohtomo¹, Daizo Yamauchi¹, Tsubasa Otake¹, Tsutomu Sato¹ (1.Faculty of Engineering, Hokkaido University)