FOIA Documents Related to Fukushima Daiichi Reactor 3

Our FOIA archives feature collected and sorted FOIA documents, and are sub-categorized by event, topic, importance, and type. Email chains are extracted and published according to date. Press releases are archived by date of publication. Presentation materials and pdfs are summarized and displayed in whole. Each post is titled with the date of transmission of that particular FOIA combined with the subject of the message.

FOIA’s Related to Reactor 3


NRC Transcripts – Fukushima Reactor 3 Spent Fuel Pool crack and possible loss of inventory

March 13th, 2011 – FOIA UPDATE from 15:30 telecon – Reactor 3 core believed 50% uncovered in first 2 days

NRC Transcript – TEPCO relayed information Unit 4 SFP Dry – Walls collapsed and incapable of holding inventory – Unit 3 “everything else gone” –

Reactor 3 core nearly completely uncovered by March 12th – GE confirmed reference level TAF

March 13th, 2011 – JNES Communications – Reactor 2 fuel uncovered – Reactor 3 explosion

March 14th, 2011 – NRC ONLY Update – All 3 Reactor cores likely damaged

March 14th – Unit 3 Containment broken – radiation released – Tokyo levels increased twentyfold

March 14, 2011, 11:30pm Japan Nuclear Facility Updates – Unit 2 Ex Vessel Fuel Damage – Substantial Debris in Unit 3 SFP

March 15th, 2011 – The Whole Spent Fuel Pool At Reactor 3 Could Boil Dry In 20 Days

March 15th, 2011 – All 3 Reactors have known fuel damage – 50 Staff on site – 5 may have received fatal radiation doses

March 16th, 2011 – Fukushima Units 1,2,3 have fuel damage – Lost secondary containment integrity

March 17th, 2011 – JSDF helicopter crews report dose rates of 375 R/hr 300 ft above Reactor 3

March 18th, 2011 – Corroborating reports that either Unit 3 Reactor or SFP may be dry?

March 18th, 2011 – NRC and GE Inspecting Photos to Determine Whether Drywell Head Intact in Reactor 3 – 50 Mile Evacuation Was Good Call – Aleutian Islands I-131

March 23rd, 2011 – Suspect 3 ft of salt in bottom of reactor vessel – SFP lasted 3 days

March 23rd, 2011 – Smoke from Reactor 3 May Be Nuclear Heat From Undesired Criticality

March 29th, 2011 – Status of 3 Units and 4 pools – Realistic Scenarios

March 30th, 2011 – Events at Fukushima Units 1-4

April 25th, 2011 -Unit 3 100% Leak rate – Updating Source Term – MELCOR analysis


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