January 30, 2012

There have been as many as 14 different leaks from non-radioactive waste water systems at Fukushima Daiichi over the weekend. The problem is the unusually cold weather being experienced in Japan, with night-time temperatures at or below -10oC (~19oF). The low...

January 27, 2012

Japan’s Ministry of the Environment has announced a two year decontamination plan. The plan covers all municipalities with general area or localized exposure levels at or below 50 millisieverts per year. The proposed deadline is March, 2014. The municipalities include...

January 25, 2012

Ex-Prime Minister Kan’s Fukushima investigative panel says they will conclude their work and publish a final report in July. Panel leader Yotaro Hatamura said the panel plans to hold hearings with cabinet ministers involved with accident decisions during the weeks...

What’s a Becquerel and is it dangerous?

Before today’s updates, it might help many readers to further explain the Becquerel, with respect to some of the reports coming out of Japan. Please recall the Becquerel’s definition of one radioactive disintegration per second. One other way to look at it (in a very,...

January 23, 2012

Before today’s updates, it might help many readers to further explain the Becquerel, with respect to some of the reports coming out of Japan. Please recall the Becquerel’s definition of one radioactive disintegration per second. One other way to look at it (in a very,...

Has Unit #2 had a “phantom melt-through”?

TEPCO has made a brief endoscopic (visual) inspection inside the primary containment structure surrounding the unit two Reactor Pressure Vessel (RPV). What seems surprising to TEPCO and the Japanese Press, is no indication of melted fuel outside the RPV. TEPCO...

January 20, 2012

Has Unit #2 had a “phantom melt-through”? TEPCO has made a brief endoscopic (visual) inspection inside the primary containment structure surrounding the unit two Reactor Pressure Vessel (RPV). What seems surprising to TEPCO and the Japanese Press, is no indication of...

January 18, 2012

The Tokyo government says that the new 40 year licensing limit on nuclear operations can be extended another 20 years if certain criteria are met. The Cabinet Secretariat’s taskforce says the extensions would be granted on a one-time-only basis. Nuclear engineering...

January 16, 2012

America’s nuclear power industry is making a major pro-active effort to increase severe accident safety factors, independent of government regulators. A proposal has been submitted to the Nuclear Regulatory Commission (NRC) by the industry’s Nuclear Energy...

January 13, 2012

The municipal governments near Fukushima Daiichi are meeting to discuss the Tokyo plans for a waste storage facility in Futaba. The first rounds of talks were on Thursday. The only government not in attendance was Futaba, which expressed displeasure with Tokyo’s...
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