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Report of Japanese Government
to the IAEA Ministerial Conference on Nuclear Safety
- The Accident
at TEPCO's Fukushima Nuclear Power Stations -
JAPANESE
Table of Contents
Cover
Contents of Summary
I.
Introduction
II.
Overview of Nuclear Safety Regulations and Other Regulatory Framework in Japan before the Accident
1. Legislative and regulatory mechanism for nuclear safety
II-1
2. Mechanism for nuclear emergency responses
II-8
III. Disaster damage by Tohoku Region - Off the Pacific Ocean Earthquake and Tsunami in Japan
1.
Disaster damage by the Tohoku Region - Off the Pacific Ocean Earthquake and Tsunami in Japan
III- 1
2.
Damage caused by earthquake and tsunami hitting Fukushima NPSs
III-29
3.
Seismic and tsunami damage to other NPSs
III-47
4.
Assessment of earthquake and tsunami damage
III-63
IV. Occurrence and Progress of Accidents in Fukushima Nuclear Power Stations
1.
Outline of Fukushima Nuclear Power Stations
IV- 1
2. Safety Assurance and Other Situations in Fukushima NPSs
IV- 3
3. Condition of the Fukushima NPSs before the earthquake
IV-30
4. Occurrence and progression of the accident at the Fukushima NPSs
IV-33
5. Situation of Each Unit etc. at Fukushima NPS
[PDF 1]
[PDF 2]
IV-37
6.
Situation at Other Nuclear Power Stations
IV-119
7. Evaluating of accident consequences
IV-123
V.
Response to nuclear emergency
1. Emergency response after the quake occurred
V- 1
2. Implementation of environmental monitoring
V-16
3. Measures for agricultural products and drinking water, etc.
V-30
4. Measures for additional protected areas
V-32
5. Assessment of nuclear emergency response
V-35
VI.
Discharge of radioactive materials to the environment
1. Evaluation of the amount of radioactive materials discharged to the air
VI-1
2. Evaluation on the amount of radioactive materials discharged to the sea
VI-4
VII.
Situation regarding radiation exposure
1. Situation regarding radiation exposure of related workers including radiation workers
VII-1
2. Response to radiation exposure of residents in the vicinity and the overall situation
VII-7
3. Evaluation of the situation of radiation exposure
VII-10
VIII.
Cooperation with the international community
1. Support from other countries
VIII-1
2. Cooperation with international organizations
VIII-2
3. Evaluation of cooperation with the international community
VIII-3
IX.
Communication on the accident
1. Communication with residents in the vicinity and the general public in Japan
IX- 1
2. Communication with international community
IX- 7
3. Provisional evaluations based on rating of International Nuclear Events Scale (INES)
IX- 9
4. Evaluation on communication regarding the accident
IX-10
X.
Efforts to restore the accident in future
XI.
Response at other NPS
XII.
Lessons learned from the accident so far
XIII.
Conclusion
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