May 30, 2011

May 30, 2011 | Fukushima Accident Updates

Japan’s Atomic Industrial Forum weekend reports… The seawater pump supplying the heat exchangers for cooling Fukushima unit #5 spent fuel pool (SPF) and reactor stopped working. They could not restart it, so workers set to task for installation of a...

May 27, 2011

May 27, 2011 | Fukushima Accident Updates

Before addressing recent Fukushima updates, we want everyone to be aware of the preliminary findings on Fukushima’s long and short-term health effects from one of the oldest and most prestigious scientific organizations in the world; United Nations Scientific...

May 25, 2011

May 25, 2011 | Fukushima Accident Updates

Each day that passes reveals more details with the sequence of events leading to the meltdowns at Fukushima units #1, 2 & 3. Further, world-wide meltdown reports vary from source to source, which indicates considerable confusion over the revealed data. It is not...

May 23, 2011

May 23, 2011 | Fukushima Accident Updates

Japan’s Atomic Industrial Forum (JAIF) has been told the emergency operation manual for Fukushima #1 was not followed. NHK allegedly has a copy of the emergency manual, and it reveals several key violations of emergency procedures. By procedure, the primary...

May 20, 2011

May 20, 2011 | Fukushima Accident Updates

Thursday afternoon, RPV temperatures for Unit #1 had dropped to 93oC on the upper feedwater nozzle, and 88oC on the vessel bottom head. This morning, TEPCO decided to lower feedwater injection flow from 10 tons per hour to 6 tons per hour. Why? They don’t say....

May 18, 2011

May 18, 2011 | Fukushima Accident Updates

The plot thickens… Reports out of Japan since Monday have revealed a number of disturbing items. Remarkably, the most recent reports concerning the events at Fukushima Daiichi, March 11 through March 16, suggest that several of this writer’s previous...

May 16, 2011

May 16, 2011 | Fukushima Accident Updates

Two on-going questions have remained in the background concerning the Fukushima emergency. First, how did hydrogen find its way into the upper refueling deck of Unit #4 to cause an explosion? There is no evidence of a massive hydrogen release from the pool’s...

May 13, 2011

May 13, 2011 | Fukushima Accident Updates

As a result of the recalibration and other maintenance work performed by plant staff on water level instruments for reactor pressure vessel (RPV) #1, it appears that water level has been much, much lower than anyone had previously speculated. In fact, TEPCO and NISA...

May 11, 2011

May 11, 2011 | Fukushima Accident Updates

JAIF reports all but one of schools in Fukushima prefecture have soil contamination below the health standards. The one that is above the standard will have the topsoil skimmed off and buried elsewhere, at ~2 feet below ground. At that depth, there will be no addition...

May 9, 2011

May 9, 2011 | Fukushima Accident Updates

The airborne activity levels inside Reactor Building #1 have decreased considerably since the six air filtration units have been operating. Workers reopened the building on Sunday and began analyzing the atmosphere with portable air samplers to check on airborne...
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