1:45 PM - 3:15 PM
*Mayu Tsuchiya1, Hiroyuki Nagahama2, Jun Muto2, Mitsuhiro Hirano2, Yumi Yasuoka3 (1.Department of Geoenvironmental Science, Faculty of Science , Tohoku University , 2.Department of Earth Science, Tohoku University, 3.Radiation Control Room, Faculty of Pharmaceutical Sciences, Kobe Pharmaceutical University)