Chapter 6 Situation concerning the Accident
Situation and outline of the accident; Efforts for decommissioning and other situations concerning the accident at TEPCO's Fukushima Daiichi NPS
6.1 Fukushima Daiichi Nuclear Power Station (NPS) Accident Section Download Slides Download
- Damage due to the Great East Japan Earthquake
- Accident at the Nuclear Power Station
- Factors of the Accident: (Estimated) Influence of the Earthquake and Tsunami
- Factors of the Accident: (Estimated) Status within the Reactor
6.2 Outline of the Accident Section Download Slides Download
- Responses Immediately after the Accident
- Ambient Dose Rates during Two Months after the Accident
(Within and around of the premises of TEPCO's Fukushima Daiichi NPS) - Ambient Dose Rates during Two Weeks after the Accident
(Within and around of the premises of TEPCO's Fukushima Daiichi NPS) - International Nuclear and Radiological Event Scale (INES)
6.3 Efforts and Progress for Decommissioning Section Download Slides Download
- Procedures for Decommissioning and Contaminated Water Management at TEPCO's Fukushima Daiichi NPS
- Reduction of Effects in Surrounding Environment
- Measures against Recriticality and Future Earthquakes and Tsunamis
- Improvement of Working Environment at TEPCO's Fukushima Daiichi NPS
- Measures against Contaminated Water
- Progress in Efforts for Decommissioning
- ALPS Treated Water – Purification of Contaminated Water –
- Treatment Method for Water Stored in Tanks
- Regulatory Standards for Discharging Radioactive Materials into the Environment
- Nuclides Other than Tritium
- Annual Discharge Amounts of Tritium – International Comparison –
- Assessment of the Potential Radiological Impact of Discharge of ALPS Treated Water into the Sea