Arnie Gundersen of Fairewinds Associates discusses theories regarding explosion at reactor #3 fuel pool. He discusses the issue of prompt criticality an event with historical precedence. At the SL-1 reactor operated in Idaho by the US Army, Navy Electrician’s Mate Richard C. Legg was standing on top of the reactor vessel when a fuel rod shot up and impaled and pinned him to the ceiling.

Fukushima Groundwater Contamination Worst in Nuclear History from Fairewinds Associates on Vimeo.