Site map

• Home
  • Site map
  • About abbreviation search
    • Abbreviation search
  • Decommissioning – Top page
    • Progress status – Top page
      • Summary of Decommissioning and Contaminated Water Management
      • Progress Status and Future Challenges of the Mid-and-Long-Term Roadmap (Outline)
      • Progress report
      • Status of seawater monitoring within and outside of the port
      • Fuel removal from SFP
      • Identify the plant status and toward fuel debris removal
      • Unit 1
      • Unit 2
      • Unit 3
      • Circulation cooling and accumulated water treatment line
      • Improve the environment within the site
    • Progress status
    • Test
    • Test
    • Test
    • Strategic plan for fuel debris retrieval ―Top page
      • Maintaining and management of stable condition of fuel debris retrieval
        • Criticality control
        • Cooling
        • Containment
        • Maintenance/reliability improvement of safety system
      • Safe retrieval of fuel debris
        • Understanding of location,amount and properties of fuel debris and FP distribution
          • Estimation by actual unit investigation
          • Estimation by analysis
          • Estimation based on knowledge and experiments
      • Stable storage of retrieved fuel debris after collection and transport
        • Development of a system for collection, transport and storage of debris after retrieving
        • Establishment of safeguards approach
      • Radiological environment inside the PCVs
      • Periodic measurement of plant data
      • Information obtained through past PCV internal survey
      • Estimation results of fuel debris location by Muon detection
      • Overview of the MAAP and SAMPSON codes
      • FP distribution analysis results by severe accident analysis code
      • Location of fuel debris estimated from plan parameter trend
  • Accident analysis – Top page
    • About Fukushima Daiichi NPS
    • Overview of the accident
    • Event sequences
      • Event sequence of Unit 1
      • Event sequence of Unit 2
      • Event sequence of Unit 3
    • Measured data
      • Download of measured data
      • Status of Unit 1 at the accident
      • Status of Unit 2 at the accident
      • Status of Unit 3 at the accident
      • Dose rate of the monitoring posts at the accident
  • Measured data and Graphs – Top page
    • Charting tool
    • Status of the Unit 1
    • Status of the Unit 2
    • Status of the Unit 3
    • Status of the other
    • Status of Fission Products
  • 3D View
    • Temperature (Unit 1)
    • Temperature (Unit 2)
    • Temperature (Unit 3)
    • Radiation
    • Reactor piping system (Unit 1)
    • Reactor piping system (Unit 2)
    • Reactor piping system (Unit 3)
    • Reactor structure (Unit 1)
    • Reactor structure (Unit 2)
    • Reactor structure (Unit 3)
  • Document Search
    • Help of document search
  • Link
    • Related organizations
    • Reports
  • FP-data collection