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Investor Presentaiton

Analysis: Application of Cumulative Database (1) • Sorted facts by category or attribute for the team to review them together Reading Fact Fact List Code Number 7 7 3 3. Ad15 Particularly in March, it was confirmed that six people exceeded 250 mSv, which is the dose limit for an emergency worker. All these were TEPCO employees who were operators and engineers in electricity and instrumentation engaged in monitori of instruments in the main control rooms immediately after the occurrence of the accident. TEPCO has made it a rule not to allow workers who have exceeded 200 mSv to work at the Fukushima Dai-ichi NPS. p. 15 summary Ad7 Although cooling by isolation condenser (IC) (two lines) was begun after the automatic shutdown of the nuclear rector, it manually stopped by following the operation procedure documents because of a rapid decrease in the temperature of the RPV. Summary D102 The secretariat of the NERHQ, which should have played a active role in the decision-making on evacuation zones, was able to make a proposal of any kind to the fifth floor of the Kantei. They accepted the evacuation orders that had been unilaterally decided upon at the fifth floor of the Kantei, with understanding of the grounds for such orders. (C3 pg 63) D103 Questions also remain over whether or not they possessed th required know-how for allocating human resources to the emergency response. (C1 pg68) 3. D140 At the time of the accident, however, TEPCO had not comple the seismic backchecks, and the final report was scheduled for submission in January 2016. This is approximately one decade after the 2006 seismic backcheck instructions and 21 years after the Great Hanshin-Awaji Earthquake that became the catalyst for revising the Guideline. (Ch.5 p.2) Category Attribute/Qualifier Decision-Making Provided Margin Decision-Making Adhered to Procedures or Requirements Review of facts 5 Decision-Making cations sorted by category "Decision- making" Decision-Making cident management Decision-Making ailed to take actions IAEA
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