○Takeshi Komai¹, Yuji Nagai² (1. Tohoku University, 2. METI)

○Keiko Yamaji¹, Toshikatsu Haruma¹, Hayato Masuya² (1. University of Tsukuba, 2. Tohoku Research Center, Forestry and Forest products Research Institute)

○yoshiyuki ohara¹ (1. Japan Atomic Energy Agency)

○Nobuyuki Kitajima¹, Yi Huang², Kazuki Sugawara³, Takao Miura⁴, Masahiro Sowanaka⁴, Chihiro Inoue² (1. Fujita Corporation, 2. Tohoku University, 3. Seikei University, 4. Japan Oil, Gas and Metals National Corporation)

SATOSHI KAWAKAMI¹, ○MISAO ITOUGA², YOSHIHIRO HONMA³ (1. DOWA HOLDINGS Co.,Ltd., 2. National Research and Development Institute RIKEN, 3. DOWA ECO-SYSTEM Co., Ltd.)

○Masaaki Hasegawa¹ (1. Japan Railway Construction, Transport and Technology Agency)

○tagiru ogino¹ (1. Geological Survey of Hokkaido)

○Norifumi Kawabe¹ (1. Ministry of Economy,Trade and Industry)