Schedule 0 4:40 PM - 5:00 PM [LSSE3-04] Risk Reduction with Prolonged Decommissioning for Fukushima Daiichi Nuclear Power Plant *Akihiko Nishimura1,2, Akio Kanai3, Minoru Yoshida4 (1. Japan Atomic Energy Agency, 2. University of Fukui, 3. Keio University, 4. HAKUSAN)