September 30, 2011

TEPCO has sampled the gas content of many pipes passing through the containment walls of unit #1, using hydrogen detectors with a greater sensing capacity than those used when the hydrogen was first discovered earlier this week. It turns out the concentrations are in...

September 28, 2011

The Japanese panel investigating the causes(s) of the Fukushima accident held it’s third meeting yesterday (Sept. 27). Because it seems people being interviewed are intimidated by the news media, the Tuesday meeting was the first one held behind closed doors....

September 26, 2011

TEPCO has found a higher-than-expected concentration of hydrogen in some of the pipes passing through unit #1’s containment walls. The levels are above the maximum detectable reading on TEPCO’s monitoring equipment, which is 1%. TEPCO believes the hydrogen...

September 23, 2011

We have been waiting several months to find the space for the following…an explanation of what the term “sievert” means, with respect to radiation exposure, and relate it to a more-commonly understood parameter…the BTU. Sievert – The amount of...

September 21, 2011

TEPCO has announced they suspect groundwater is leaking into the reactor and turbine basements, contrary to the fears voiced by many critics. The reason behind the notion is water levels in the buildings are not changing. With a water clean-up rate of more than 1,300...

September 19, 2011

Today, Japan Times posted a picture of the current state of construction on the enclosure around the unit #1 reactor building. It is hardly the “makeshift tent” professed by many western news sources. TEPCO expects to be finished by mid-late October. Today’s...

September 16, 2011

UN Secretary General Ban Ki-moon says the nuclear accident at the Fukushima Daiichi was due to poor hazard assessments of natural disasters. Ki-moon has released a 43 page report on the Fukushima accident, detailing his staff’s assessment. The report concludes,...

September 14, 2011

A Mainichi Shimbun articles alleges that the unit #4 hydrogen explosion on March 15 may have been caused by the generation of hydrogen from the spent fuel pool. Hydrogen and Oxygen are separated from each other in water when in a Gamma radiation field (radiolysis)....

September 12, 2011

To correct a previous update…when it was announced that water injection into #3 RPV was lowered to 5 tons per hour, we stated this was total cooling flow. It is not. As it turns out, there are about 3 tons/hr being injected through its feedwater spray piping and...

September 9, 2011

Kyodo News reports thirteen currently-idled nuke plants are undergoing the stress tests required for restart. Six of the plant-specific data submittals to the government are planned by the end of the month. The other seven early next month. This is a significant...
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