Activities responding to the Fukushima Daiichi Nuclear Power Station Accident; Activities on initial response after the accident and safety research based on lessons learned from the accident

Sector of Nuclear Safety Research and Emergency Preparedness

Since the Great East Japan Earthquake on March 11th, 2011, the Japan Atomic Energy Agency (JAEA) has conducted, as the sole comprehensive nuclear research and development (R&D) institution in Japan, the R&D activities on decommission of the Fukushima Daiichi Nuclear Power Station (1F), environmental remediation, safety enhancement of light water reactors based on lessons learned from the 1F accident. The agency has also supported, as a designated institution of the Basic Act on Disaster Control Measures, lots of activities including emergency response. The Sector of Nuclear Safety Research and Emergency Preparedness in JAEA has cooperated on initial response after the accident using knowledge and evaluation method obtained by the safety research, and has supported activities by regulation administrations through accident progression analysis, research on severe accidents, the R&D on emergency monitoring technique and effectiveness evaluation of protective measures etc. This report summarizes 10 years' activities responding to the 1F accident, which the Sector of Nuclear Safety Research and Emergency Preparedness has carried out just after the accident.