March 11th, 2011 – No cause for alarm even though the government has declared a “nuclear emergency situation”
From:Breskovic, Clarence To:Breskovic, Clarence Subject:Japan: Fukushima 1 & 2 cooling system problems Date:Friday, March 11, 2011 6:13:22 AM According to NHK TV news (Japan Broadcasting Corporation) the Fukishima 1 & 2 reactors are experiencing…
March 30th, 2011 – Reactor Status Update – U2 at least some core ex-vessel approx 3/15 – U3 SFP may be unable to fill due to damage
Unit 1 Rx: Shutdown 3/11. 70% core damage. Cooling with 30 gpm. Significant salt deposits in vessel, core spay plugged. Primary pressure 65 psig. Drywell pressure 25 psig. Secondary containment destroyed. Containment has been vented…
March 24th, 2011 – New information from AEC casts doubt on GE’s analysis of venting and hydrogen explosions at Fukushima Daiichi
From: Kelly, John E (NE) To: DL-NERT-AII Sent: Fri Mar 25 00:10:21 2011 Subject: FW: Hydrogen Here is new information from the Japan AEC. I know GE thought that the vented via a…
March 17th, 2011 – KI Potassium Iodide Availability by State
State with the largest number of tablets – Pennsylvania – 4,300,000 States with no reported tablets – Arkansas Georgia Illinois (Illinois leads all states in nuclear capacity and electricity generation and accounts for over…
March 16th, 2011 – USAF detects elevated radiation levels from northern tip of Japan to Tokyo
USAF bases at Misawa and Yokota began sampling (3X daily) on Monday, March 14th, 2011 USAF expanded the locations testing to more AFBs and some ANG installations in Korea(3X), Guam(3X), Alaska, Washington(IX daily), Oregon…
March 28th, 2011 – Media question on US plants using MOX fuel
From: McIntyre. David To: Sheehan. Neil; Burnell, Scott; Brenner, Eliot; Hayden, Elizabeth; Harrington, Holly Subject: RE: Media question on plants using MOX fuel Date: Monday, March 28, 2011 3:40:54 PM Catawba did for…
April 5th, 2011 – Hosono asked NRC to issue press release supportive of the ocean releases
The long term nature of the recovery seems to be well understood, with an appropriate sense of urgency for near term actions. Hosono (assigned by PM to lead Fukushima accident efforts had prepared a draft…
March 31st, 2011 – RES to use MELCOR for “worst case” runs for Tokyo estimates and previous RASCAL runs
From: PMT09 Hoc Sent: Sunday, April 03, 2011 7:38 AM To: PMT02 Hoc; PMTO1 Hoc Subject: FW: Non-Urgent – new task request: MELCOR source terms to re-create previous RASCAL runs for Fukushima ”Plausible Realistic…
March 30th, 2011 – IAEA requests NRC to provide bounding assessments for Fukushima Units 1-3 – Assumptions on if fuel has left RPV
From: Astwood, Heather Sent: Wednesday, March 30, 2011 6:31 PM To: Astwood, Heather; Regan, Christopher; LIA07 Hoc; LIA08 Hoc; Brown, Michael; McDermott, Brian; Hoc, PMT12; Blount, Tom Subject: Requests for IAEA support on…
March 29th, 2011 – Containment Damaged – Pu in soil from reactors – Unit 3 RB contains I-131
From: Weber, Michael Sent: Tuesday, March 29, 2011 1:47 PM To: Borchardt, Bill; Virgilio, Martin Cc: Evans, Michele; Wiggins, Jim; Boger, Bruce; Batkin, Joshua; LIA06 Hoc; LIA08 Hoc; ET07 Hoc; ET05 Hoc; OST02…
March 19th, 2011 – International discussion related to accuracy of TEPCO readings – Where is water going?
From: Casto, Chuck Sent: Saturday, March 19, 2011 1:55 PM To: LIA02 Hoc; RST01 Hoc; Liaison Japan Cc: LIA03 Hoc Subject: Re: Question from UK TEPCO is concerned and asked us for advice….
March 15th, 2011 – 1,318 uSv/hr detected in Tokyo between 0900 and 1700
HIGHEST LEVEL OF RADIATION DETECTED IN TOKYO REGION YOMIURI (PAGE 1) (ABRIDGED) MARCH 16, 2011 THE SCIENCE MINISTRY ON MARCH 15 ANNOUNCED THAT TOKYO AND SEVEN NEIGHBORING PREFECTURES RECORDED THE HIGHEST LEVELS OF RADIATION, EXCLUDING…
March 18th, 2011 – Bechtel file of equipment for pumping water into Fukushima Daiichi reactors
From:OST02 HOC Sent:Friday, March 18, 2011 3:56 PM To:ET07 Hoc Subject:Document Attachments:Bechtel File.pdf See attached.
March 20th, 2011 – 0500 SPEEDI Fukushima Radiation Maps
From:Hoc, PMT12 Sent:Saturday, March 19, 2011 6:15 PM To:GIS Hoc; PMT01 Hoc Subject:FW: 0500 SPEEDI data, unzipped Attachments: FUKUSHIMAl air doseuiOS-06huj.gif; FUKUSHIMAl air doseui06-07huj.gif; FUKUSHIMAl air doseui07-08huj.gif; FUKUSHIMAl wind(OShuj.gif; UKUSHIMAl air concentrationuiOS-06~(jjgif; FUKUSHIMAl air concentrationui06-07huj.gif;FUKUSHIMAl air…
NRC Fukushima Transcripts – Evidence of fuel or very highly radioactive material outside of Reactor 4 after explosion
UNITED STATES OF AMERICA NUCLEAR REGULATORY COMMISSION JAPAN’S FUKUSHIMA DAIICHI ET AUDIO FILE WEDNESDAY – MARCH 16, 2011 JACK: Yes, Mike, I don’t know that we’ve had anybody say that the fuel is…
March 12th report says Fukushima Reactor 1 exploded after “vertical earthquake” under unit which did not affect other reactors
USNRC Emergency Operations Center Status Update March 12, 2011 Earthquake / Tsunami Status Update Compiled by Executive Briefing Team Status of Japanese Facilities (This information is compiled from available sources, including press releases…
NRC Transcripts – Chuck Casto Re Fukushima Unit 4 – “For me, I’m evermore convinced that there’s nothing there. There’s major damage to that building. And I just have to stake my career on it.”
UNITED STATES OF AMERICA NUCLEAR REGULATORY COMMISSION JAPAN’S FUKUSHIMA DAIICHI ET AUDIO FILE WEDNESDAY – MARCH 16, 2011 CHUCK CASTO: For me, I’m evermore convinced that there’s nothing there. There’s major damage to…
NRC Transcripts – TEPCO video of Unit 4 SFP inconclusive – Japan claiming reflection of water but could be anything
UNITED STATES OF AMERICA NUCLEAR REGULATORY COMMISSION JAPAN’S FUKUSHIMA DAIICHI ET AUDIO FILE WEDNESDAY – MARCH 16, 2011 CHUCK CASTO: I reviewed the video. Tony and Brook (phonetic) and I reviewed the video….
NRC Transcripts – Fukushima Reactor 3 Spent Fuel Pool crack and possible loss of inventory
UNITED STATES OF AMERICA NUCLEAR REGULATORY COMMISSION JAPAN’S FUKUSHIMA DAIICHI ET AUDIO FILE WEDNESDAY – MARCH 16, 2011 NRC CHAIRMAN JACZKO: Can you just give me kind of a basic rundown? Well,…
NRC Transcript – TEPCO relayed information Unit 4 SFP Dry – Walls collapsed and incapable of holding inventory – Unit 3 “everything else gone” –
UNITED STATES OF AMERICA NUCLEAR REGULATORY COMMISSION JAPAN’S FUKUSHIMA DAIICHI ET AUDIO FILE WEDNESDAY – MARCH 16, 2011 NRC CHAIRMAN JACZKO: Hey, Chuck. Hey, can you just — and I don’t want…
100 
761