April 7, 2012
Chuck Casto

April 9th, 2011 – Japanese evacuation radius may not protect the health of the general public longer than 2 weeks

Chuck Casto E-Mail – Pages From C141933-02BX-24

Summary of Radiological Threat Fukushima

April 8th, 2011 – Fukushima NPP Radiation Health Risks v.1

On-site at the Fukushima Daiichi plant, radiation levels in certain areas continue to be life-threatening -30 Sv/hr (3,000 R/hr) in the dry wells for units 1 and 2 and 20 Sv/hr (2,000 R/hr) near the drywell…


April 6th, 2011 – EPA and NRC discuss deploying RADNET monitors in Japan

From: Hoc, PMT12 Sent: Wednesday, April 06, 2011 9:16 AM To: [email protected] Cc: FOIA Response.hoc Resource; PMT03 Hoc Subject: EPA RADNET question from NRC Hi Sara. Thanks for discussing with us today about…

Environment Minister, also in charge of the nuclear crisis Goshi Hosono speaks during a press conference at prime minister's official residence in Tokyo, Japan, Friday, Sept. 2, 2011. Japan's new Prime Minister Yoshihiko Noda chose fresh faces and political unifiers for his Cabinet Friday, promising to steer the troubled nation through disaster recovery, a nuclear crisis and a lengthy economic slump. (AP Photo/Shizuo Kambayashi)

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…

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…

Astwood, Heather

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…

Tokyo Electric Power Co.'s tsunami-crippled Fukushima Daiichi nuclear power plant is seen in Fukushima prefecture

Nitrogen injection at Fukushima Daiichi stopped for third time in last month

The systems used to inject nitrogen into the containment and pressure vessels of the No. 1, No. 2 and No. 3 reactors at Fukushima Daiichi have been reported to have stopped after a worker…


Cesium contamination in Japan found over 300km from Fukushima Daiichi

The town of Manazuru  in Kanagawa Prefecture is over 300 kilometers from the Fukushima Daiichi nuclear power plant.  On Thursday, Shiitake mushrooms in Manazuru were found to be contaminated with radioactive cesium over the…

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