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Tenn. Valley Authority Responds to NRC Report on Japan Nuke Disaster

Tenn. Valley Authority Responds to NRC Report on Japan Nuke Disaster | Nuclear News | What The Physics? | Scoop.it
A Tennessee Valley Authority spokesman said the utility started making safety changes before a Nuclear Regulatory Commission panel released its report on Japan’s nuclear disaster.

The NRC panel has recommended that all nuclear plants re-evaluate their earthquake and flood risk, add equipment to deal with simultaneous damage to multiple reactors and make sure electrical power and instruments are in place to monitor and cool spent fuel pools after a disaster.

TVA spokesman Ray Golden said in a statement that so far since the March 11 earthquake and tsunami that cut off all electrical power to the plant in Japan, TVA has purchased additional satellite phones, gasoline-powered generators and diesel-powered fire pumps.

The NRC task force said there is no imminent risk from nuclear power plants in the United States

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Japan bank lobby:Tepco would face insolvency without bailout scheme

Japan bank lobby:Tepco would face insolvency without bailout scheme | Nuclear News | What The Physics? | Scoop.it
(Reuters) - The head of Japan's banking lobby said on Thursday that Tokyo Electric could become insolvent if parliament fails to pass a bailout bill by the end of September, when the operator of the crippled Fukushima nuclear plant closes books for the fiscal first half.

Katsunori Nagayasu, chairman of the Japanese Bankers Association, told a regular news conference time is running out as the government panel on nuclear damages compensation is set to release guidelines around late July.

"It will be known how much the compensation will be in rough figures, but if there is no (government) scheme for that then, Tokyo Electric could immediately become insolvent," he said.
"And it will trigger a series of risks for the power industry and the markets and put a damper on Japan's reconstruction efforts," he said.

Japan's parliament has started deliberations on a bill to set up a fund to help the operator of crippled nuclear reactors in Fukushima pay for damages, which could total billions of dollars.
Japanese banks, including Nagayasu's Mitsubishi UFJ Financial Group , provided a total 2 trillion yen in March in emergency loans to Tokyo Electric.

The creditors has been pushing for strong government commitment to keeping Tokyo Electric solvent and listed on the stock exchange, fearing a massive shock to the equity and bond markets in case of its default.

Nagayasu also said the direct impact from U.S. and European debt problems is relatively limited on the Japanese economy. But the European sovereign issue has various indirect ramifications, including a higher yen.

"A continued rise in yen would deal a great blow to the Japanese economy," he said.

(Reporting by Taiga Uranaka; Editing by Chris Gallagher)

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TEPCO covers turbine building as storm approaches

TEPCO covers turbine building as storm approaches | Nuclear News | What The Physics? | Scoop.it
The Tokyo Electric Power Company, or TEPCO, has built a makeshift roof over a turbine building at the Fukushima Daiichi nuclear power plant as typhoon Ma-on approaches.TEPCO started work to cover a hole in the roof of the No. 3 turbine building on Monday morning. The hole was caused by a hydrogen explosion in a neighboring reactor building in March.The work ended 6 hours later when the makeshift metallic roof's three parts, each 5 meters long and 16 meters wide, were installed by a crane.The roof is designed to prevent an increase of radioactive wastewater in the building.TEPCO plans to cover another hole in the building's roof on Tuesday.It is also stacking sandbags to prevent rainwater from entering the facility.
Monday, July 18, 2011 23:24 +0900 (JST)
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Why was Japan so unprepared for the Fukushima nuclear accident?

Why was Japan so unprepared for the Fukushima nuclear accident? | Nuclear News | What The Physics? | Scoop.it
Many models have been created that have shown the correlation between the probability of an accident, with the state of preparedness in that area. In other words, the more likely an event, the more informed and prepared those in the effected area will be.

In this investigation I will use the probability of the occurrence of two events according to the AND logical gate, to demonstrate one way that the earthquake and tsunami on March 11th was likely underestimated in Japan. The two events may have been considered ‘independent events’ which would have caused their estimated probability of occurrence to be substantially less than a ‘common mode failure’ event.

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reactor safety pros's comment, July 18, 2011 6:22 PM
You are absolutely correct. The probabalistic risk assessment models are wrong. Further, Japan did not consider the full license duration of 40 years in their analyses for initial license application. They only considered 30 years. That additional 10 years made a huge difference in their acceptable model.
Enformable's comment, July 19, 2011 7:04 AM
And they still try to extend the licensing. Thanks for sharing rsp!
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Full Chart of Events including Radiation levels at Fukushima ... on Twitpic

Full Chart of Events including Radiation levels at Fukushima ... on Twitpic | Nuclear News | What The Physics? | Scoop.it
http://twitpic.com/5sbfko - What The Physics?


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Japan nuclear crisis and tsunami - Tuesday 15 March part one | World news | guardian.co.uk

Japan nuclear crisis and tsunami - Tuesday 15 March part one | World news | guardian.co.uk | Nuclear News | What The Physics? | Scoop.it

Another explosion at the Fukushima nuclear plant in Japan Photograph: Abc Tv/EPA
Live coverage continues here.







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Japanese Utilities and Regulators Dismiss Tragic Nuclear History, Unsafe Procedures, Radiation Releases, as Talks of Japan's Nuclear Future Come Into Contention

Japanese Utilities and Regulators Dismiss Tragic Nuclear History, Unsafe Procedures, Radiation Releases, as Talks of Japan's Nuclear Future Come Into Contention | Nuclear News | What The Physics? | Scoop.it
Is Japan's nuclear power industry too reliant on people who really don't know what they are doing and too caught up with preventing the public from remembering it's controversial history?

On March 11th, 2011 the first nuclear emergency was declared in Japan after the disaster at the Fukushima Nuclear Power Plant. The recent series of events at Japanese nuclear power stations are by no means isolated incidents, and the questions raised about safety and regulation are not new either.

Japan imported its first commercial nuclear power plant from the UK in 1966, and completed its first indigenous reactors in 1970. While some herald Japan for its "good reputation" for public safety, the nuclear industry in Japan has also been a barometer of disgrace for the Japanese nation.

The core issues about Japan's nuclear program still remain more than 40 years after inception. Throughout the decades, nuclear accidents have had little impact on government policy, while disasters in the island country continue increasing in size and danger to public health.

While on one hand loudly declaring as long as the proper safeguards are in place nuclear power is safe, clean, and exceptionally powerful, utilities and regulators have knowingly shirked the responsibility to follow through, even to carry out routine safety checks.

If Japanese citizens are only now realizing the re-emerging patterns of denial, cover-up and bureaucratic collusion between the industry and the government, it should only reaffirm the public understanding of Japan's dangerous nuclear program.
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