March 11th, 2011 – Preliminary unconfirmed confidential information regarding Fukushima Daiichi

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From: Rivera-Lugo, Richard
Sent: Friday, March 11, 2011 8:10 AM
To: Murphy, Andrew
Subject: FW: preliminary unconfirmed confidential information

FYI – I just got this from Goutam

From: Bagchi, Goutam
Sent: Friday, March 11, 2011 8:09 AM
To: Pires, Jose; Kammerer, Annie; RESD.DESGSEB; Chokshi, Nilesh; Manoly, Kamal; Karas, Rebecca; Cook, Christopher;
Sheron, Brian; Uhle, Jennifer; Case, Michael; Richards, Stuart; Flanders, Scott
Subject: RE: preliminary unconfirmed confidential information

There was a mechanical break down of the cooling system at Fukushima. Excerpt from Guardian:

Japan’s Fukushima nuclear plant under state of emergency after quake
• Plant shut down but reactor cooling system damaged
• No leaks at 11 nuclear powerhouses in quake zone, says PM

From: Pires, Jose
Sent: Friday, March 11, 2011 7:59 AM
To: Kammerer, Annie; RES_DE_SGSEB; Chokshi, Nilesh; Bagchi, Goutam; Manoly, Kamal; Karas, Rebecca; Cook,
Christopher; Sheron, Brian; Uhle, Jennifer; Case, Michael; Richards, Stuart
Subject: RE: prellminiary unconfirmed confidential information

Annie,

Apparently, at Fukushima I (TEPCO) all 6 units were safely shutdown but a nuclear emergency (evacuation) was declared. I understand that a nuclear emergency also was declared at Onagawa (Tohoku Power). Other plant sites were also safely shutdown and I understand that emergencies were not declared at those sites.

From: Kammerer, Annie
Sent: Friday, March 11, 2011 7:52 AM
To: RESDE SGSEB; Chokshi, Nilesh; Bagchi, Goutam; Manoly, Kamal; Karas, Rebecca; Cook, Christopher; Sheron, Brian;
Uhle, Jennifer; Case, Michael; Richards, Stuart
Subject: preliminiary unconfirmed confidential information

Fukushima (there are two plants… not sure which this occurred at): Station blackout. Loss of offsite power and the diesels didn’t start. They are brining in generators from an outside facility

Onagawa 0.567g recorded at the base mat. Fire in the turbine building.

Tokai shook but no information yet.

Dr. Annie Kammerer, PE
Senior Seismologist and Earthquake Engineer
US Nuclear Regulatory Commission
Office of Nuclear Regulatory Research
Washington DC 20555

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