5:15 PM - 6:30 PM
*Tatsuro Shimada1, Hiroyuki Kagi1, Kazuki Komatsu1, Hidemi Ishibashi2, Tatsuro Maeda3 (1.Geochemical Reseach Center, Graduate School of Science, University of Tokyo, 2.Department of Geoscience, Shizuoka University, 3.Nisshin Foods)