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JAEA Reports

Annual report of Nuclear Emergency Assistance and Training Center (April 1, 2022 - March 31, 2023)

Nuclear Emergency Assistance and Training Center

JAEA-Review 2023-026, 54 Pages, 2023/12

JAEA-Review-2023-026.pdf:3.26MB

The Japan Atomic Energy Agency (JAEA) is one of the designated public corporations, which is the agency dealing with emergency situations in cooperation with the Japanese and local governments under the Disaster Countermeasures Basic Act and under the Armed Attack Situation Response Law. JAEA has, therefore, responsibilities of providing technical assistances to the Japanese and local governments in case of nuclear or radiological emergencies based on these acts. To fulfill the assistances, the JAEA has prepared the Nuclear Emergency Support Measures Regulation, Disaster Prevention Work Plan and Civil Protection Work Plan. The Nuclear Emergency Assistance and Training Center (NEAT) is the main center of the technical assistance in case of emergency, and dispatches experts of JAEA, supplies equipment and materials and gives technical advice and information, to the Japanese and local governments for emergency based on the regulation and plans. In normal time, the NEAT provides the technical assistances such as the exercises and training courses concerning the nuclear preparedness and response to the JAEA experts and to emergency responders including the Japanese and local government officers. This report introduces the results of activities in Japanese Fiscal Year 2022, conducted by the NEAT.

JAEA Reports

Annual report of Nuclear Emergency Assistance and Training Center (April 1, 2021 - March 31, 2022)

Nuclear Emergency Assistance and Training Center

JAEA-Review 2022-044, 58 Pages, 2022/12

JAEA-Review-2022-044.pdf:3.83MB

The Japan Atomic Energy Agency (JAEA) is one of the designated public corporations, which is the agency dealing with emergency situations in cooperation with the Japanese and local governments under the Disaster Countermeasures Basic Act and under the Armed Attack Situation Response Law. JAEA has, therefore, responsibilities of providing technical assistances to the Japanese and local governments in case of nuclear or radiological emergencies based on these acts. To fulfill the assistances, the JAEA has prepared the Nuclear Emergency Support Measures Regulation, Disaster Prevention Work Plan and Civil Protection Work Plan. The Nuclear Emergency Assistance and Training Center (NEAT) is the main center of the technical assistance in case of emergency, and dispatches experts of JAEA, supplies equipment and materials and gives technical advice and information, to the Japanese and local governments for emergency based on the regulation and plans. In normal time, the NEAT provides the technical assistances such as the exercises and training courses concerning the nuclear preparedness and response to the JAEA experts and to emergency responders including the Japanese and local government officers. This report introduces the results of activities in Japanese fiscal year 2021, conducted by the NEAT.

JAEA Reports

Annual report of Nuclear Emergency Assistance and Training Center (FY 2020 and Previous 20 Years)

Nuclear Emergency Assistance and Training Center

JAEA-Review 2021-039, 98 Pages, 2021/12

JAEA-Review-2021-039.pdf:5.99MB

Japan Atomic Energy Agency (JAEA) is one of the designated public corporations, dealing with emergency situations in cooperation with the Japanese government under the Disaster Countermeasures Basic Act and under the Armed Attack Situation Response Law. JAEA provides technical assistances to the government in case of nuclear or radiological emergencies. JAEA has prepared the Nuclear Emergency Support Measures Regulation, Disaster Prevention Work Plan and Civil Protection Work Plan. Nuclear Emergency Assistance and Training Center (NEAT) is the main center of the technical assistance in case of emergency, and dispatches experts, supplies equipment and materials and gives technical advice to the government. Moreover, NEAT provides the technical exercises and training courses concerning the nuclear emergency preparedness and response to emergency responders. This report introduces the results of activities in FY 2020, during the third medium and long-term plan from FY 2015 to 2021 as Chapter 1. Chapter 2 summarizes activities in 20 years since FY 1999.

JAEA Reports

Comparison analysis between U.S. and Japan on Evacuation Time Estimation for nuclear emergency planning zones

Shimada, Kazumasa; Takahara, Shogo

JAEA-Review 2021-013, 142 Pages, 2021/09

JAEA-Review-2021-013.pdf:4.74MB

In this report, the authors reviewed the published reports of Evacuation Time Estimation (ETE) conducted in Japan and United States and examined the issues of ETE in Japan. The authors obtained public ETE reports in Japan from 16 prefectures up to February 2020. In addition, the authors obtained 58 ETE reports in United States from 2011 to 2018. Next, the overview of ETE for the Emergency Planning Zone (EPZ) around the nuclear power plant in United States was described based on the NUREG/CR-7002 of the U.S Nuclear Regulatory Commission (NRC). Then, based on the guidance of the ETE of the Cabinet Office of Japan, the overview of ETE in Japan for the Precautionary Action Zone (PAZ) and the Urgent Protective Action Planning Zone (UPZ) was described and compared with the ETE in United States. It was found that ETE in Japan often outputs only the time of 90% or 100% that population complete evacuation. Therefore, in order to use ETE in Japan for emergency decision-making, it is necessary to unify the inputs and outputs of ETE as in the United States' ETE reports.

JAEA Reports

Annual report of Nuclear Emergency Assistance and Training Center (April 1, 2019 - March 31, 2020)

Nuclear Emergency Assistance and Training Center

JAEA-Review 2020-016, 67 Pages, 2020/09

JAEA-Review-2020-016.pdf:4.09MB

The Japan Atomic Energy Agency (JAEA) is one of the designated public institutions, which is an agency dealing with an emergency situation in cooperation with the Japanese and local governments under the Disaster Countermeasures Basic Act and under the Armed Attack Situation Response Law. JAEA has, therefore, responsibilities of providing technical assistances to the Japanese and local governments in case of nuclear or radiological emergencies based on these Acts. To fulfill the assistances, the JAEA has prepared the Nuclear Emergency Support Measures Regulation, Disaster Prevention Work Plan and Civil Protection Work Plan. The Nuclear Emergency Assistance and Training Center (NEAT) is the main center of the technical assistance in case of emergency, and dispatches experts of JAEA, supplies equipment and materials and gives technical advice and information, to the Japanese and local governments for emergency based on the regulation and plans. In normal time, the NEAT provides the technical assistances such as the exercises and training courses concerning the nuclear preparedness and response to the JAEA experts and also to emergency responders including the Japanese and local government officers. This report introduces the results of activities in Japanese Fiscal Year 2019, conducted by NEAT in accordance with the third medium and long-term plan for the period from Japanese Fiscal Year 2015 to 2021.

Oral presentation

The Radiation monitoring technology in case of nuclear emergency

Watanabe, Fumitaka

no journal, , 

The radiation measurement technology that is applied in case of nuclear emergency is illustrated with some overseas advanced examples.

Oral presentation

Development of nuclear emergency response robots at Naraha Remote Technology Development Center relevant to the laser technology

Kawatsuma, Shinji; Kawabata, Kuniaki

no journal, , 

JAEA has constructed Naraha Remote Operation Technology development center in order for Fukushima Daiichi NPPs decommissioning and Emergency Response. JAEA has been developing and operating Emergency Response Remote equipment in case of severe accidents from October 2012. Laser technology has been utilized and in emergency response robots and future laser technologies have been expected.

Oral presentation

Development of a calculation method for atmospheric dispersion database that can immediately provide calculation results for any period and source term

Terada, Hiroaki; Nagai, Haruyasu; Tsuzuki, Katsunori; Kadowaki, Masanao

no journal, , 

no abstracts in English

Oral presentation

Current status of atmospheric dispersion simulation for a nuclear accident

Nagai, Haruyasu; Terada, Hiroaki; Tanimori, Toru*

no journal, , 

no abstracts in English

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