Unit 4
- 6 Unit was in a refueling outage at the time of the event and core was off loaded to the SFP
- First fire in the reactor building was a small generator lube oil fire. IAEA reports that fire was put out at 2200 EDT, March 14.
- Radiation levels 150-1000 mrem/hour at 1000 EDT on March 16. 2011. at site -gate. (Site gate is same for each unit.)
- Second fire began at 1645 EDT, March 15, 2011 in reactor building. Fuel reported to be uncovered.
- Radiation level outside Unit 4 reported to be 30R/hour following second fire.
- High radiation dose rates measured between Units 3 and 4, source is suspected to be the Unit 4 spent fuel pool.
- The spent fuel pool’s ability to retain water is in doubt, no steam – likely dry.
Related Articles
Related articles
- March 16th, 2011 – Unit 4 SFP walls have collapsed – Fuel may no longer be intact (enformable.com)
- March 11th, 2011 – BBC is reporting radiation levels at reactor are 1000x normal. I feel like crying. (enformable.com)
- March 15th 2011 – Unclear Fires At Reactor 4 SFP (enformable.com)
- March 15th, 2011 – Fukushima Daiichi Units Degrading – Zirconium Fire at Reactor 4 SFP – Reactor 2 Possible Reactor Vessel Breach & Ex-Vessel Core Reaction (enformable.com)
- March 29th, 2011- Isotopic make up of spent fuel 5% enrichment (enformable.com)
- March 15th, 2011 – 1930 EDT – USNRC Emergency Operations Center Status Update (enformable.com)
- March 15th, 2011 – NRC debates INES levels 3 days prior to actual upgrade to Level 5 (enformable.com)
- April 01, 2011 – FYI on Unit 4 SFP new video footage (enformable.com)
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