Fukushima Workers Threatened by Heat Bursts; Sea Radiation Rises, Bloomberg, March 31, 2011 at 2:04 am EDT:
A partial meltdown of fuel in the No. 1 reactor building may be causing isolated reactions, Denis Flory, nuclear safety director for the IAEA, said at a press conference in Vienna. …
Nuclear experts call such reactions “localized criticality.” They consist of a burst of heat, radiation and sometimes an “ethereal blue flash,” according to the U.S. Energy Department’s Los Alamos National Laboratory website. …
Radioactive chlorine found March 25 in the No. 1 turbine building suggests chain reactions continued after the reactor shut down, physicist Ferenc Dalnoki-Veress of the James Martin Center for Nonproliferation Studies in Monterey, California, wrote in a March 28 paper. Radioactive chlorine has a half-life of 37 minutes, according to the report.
Japan’s Nuclear and Industrial Safety Agency said there’s no possibility of uncontrolled chain reactions. …
Read the report here.
Possible photo of the “ethereal blue flash” here.
Published: March 31st, 2011 at 2:39 am ET
- Localized criticality happening now: Blue flashing light over Fukushima — “Not good news” says Fox (VIDEO) April 1, 2011
- IAEA says Fukushima reactors may have achieved “re-criticality” — Increased radiation releases possible March 30, 2011
- Bloomberg: Tepco injects boric acid to prevent criticality at Reactor No. 2 February 6, 2012
- Bloomberg: “Nuclear reaction threat” as temperature rises — Head of Japan nuke institute: “Nobody is sure about the location of melted fuel — A similar incident will probably occur again” February 7, 2012
- Boric acid apparently not working to stop chain fission reactions because Xenon is still being detected — Tepco says this is reason why they claim ‘spontaneous’ fission, not sustained criticality November 3, 2011