Japan has failed to mention having about 1,411 pounds of unused plutonium in reports it submitted to the International Atomic Energy Agency in 2012 and 2013. rt.com All β nuclide (including Strontium-90) density in groundwater at Fukushima jumped up by 1,000 times since this February, according to TEPCO. fukushima-diary.com After years of cost overruns and design mistakes, the National Nuclear Security Administration plans to completely overhaul its approach to building a new facility for processing highly enriched uranium at the Y-12 site. nuclearstreet.com The Nuclear Regulatory Commission is refusing to turn over requested documentation to Senator Barbara Boxer who is investigating the closure of the San Onofre Nuclear Power Plant. ocregister.com