"BWR" tag
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Japan to mandate BWR reactors to install filtered vents after Fukushima disaster

A commissioner of the Nuclear Regulation Authority of Japan told reporters this week that the nation’s boiling water reactors will not be allowed to restart until they have installed filtered ventilation systems to…

Garona Nuclear Power Plant - 4

Spain shuts down oldest nuclear reactor

The Garona nuclear power plant is shutting down in order to avoid new taxes that would render the plant unprofitable.  Spain is introducing higher taxes on electricity generation as a measure to address…

The drywell and suppression chamber of the Nine Mile Point plant while under construction.

Nine Mile Point reactor shut down after primary containment declared inoperable following leak

The Nine Mile Point Nuclear Station is a two-unit nuclear power plant located in the Town of Scriba, approximately five miles northeast of Oswego, New York, on the shore of Lake Ontario. While…

April 2nd, 2011 - Justification for recommended actions considering TEPCO desire to limit containment venting based on EPRI and BWROG Severe Accident Management Guideline Basis

April 2nd, 2011 – Justification for recommended actions considering TEPCO desire to limit containment venting based on EPRI and BWROG Severe Accident Management Guideline Basis

From: RST01 Hoc [mallto:[email protected]] Sent: Saturday, April 02, 2011 5:22 AM To: GE Hitachi Nuclear Response Team (GE Power & Water); INPO EmergencyResponseCtr (INPO); Modeen, David; RST03 Hoc; [email protected]; [email protected] Cc: FOIA Response.hoc…

The explosion at Reactor 1 did not effect the towers in the same manner

Fukushima: The Accident Waiting To Happen

This week, TEPCO released its final report of its internal investigation into the Fukushima nuclear disaster, and admits it failed to adequately prepare for the disaster, but cast blame on the government for…

OLYMPUS DIGITAL CAMERA

May 25th, 2012 – FOIA Archive Release – Fukushima Daiichi – Cooling reactors through drywell – How much of Unit 2 core is still in RPV?

Last Updated – 9:50 AM A New Strategy for the Fukushima Daiichi Disaster The Domino Theory (the Plausible Hypothetical Worst Case) is Not Any Longer Credibly Possible – Pages From ML12122A221 IAEA Activities…

LLRW Review

April 7th, 2011 – Conference call to discuss Radioactive Waste that may return to US from Japan

Subject: FW: JA Low Level Radioactive Waste review Location: Telecon: 703-695-4042, Passcode: 869823 Start: Thu 4/7/2011 4:00 PM End: Thu 4/7/2011 5:00 PM Show Time As: Tentative Recurrence: (none) Meeting Status: Not yet…

3AAB68C6D

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…

(A) - Fukushima Daiichi Nuclear Power Plant -- (B) - Misawa USAF -- (C) Yokota USAF --  Total Distance Over 640 Miles

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…

Media question on plants using MOX fuel - Pages from C141933-02A

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…

MELCOR source terms

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…

Bechtel File - Pages from C141864-02A_Page_2 Enformable

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.

SPEEDI 3-20 0500

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…

Jack

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…

EQR1

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…

BRC

April 4th BRC update at Fukushima – “One or more of the building explosions ejected radioactive material around the site.”

As of late April 2011, the status of the reactors at the Fukushima Daiichi station is believed to be the following: The reactor cores in Units 1, 2, and 3 have been severely…

FD 120

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…

Fukushima Daiichi February 2012 - Reactor 3 and 4 Comparison

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 R3

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,…

Fukushima Daiichi February 2012 - 34 Enformable

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…

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