Radiation News Roundup for July 03, 2013 TEPCO to build over 200 underground structures of water glass up to forty feet underground to stop radioactive tritium spreading at Fukushima. fukushima-diary.com Juvenile abalone released in hopes of future Fukushima fishing. ajw.asahi.comv An explosion has been reported at the U.S. Palo Verde nuclear plant in Arizona and an emergency has been declared. enenews.com Operations at the Watts Bar nuclear power plant in East Tennessee are back to normal after an interruption caused by a man cutting down a large tree which fell onto a transmission line. abcnews.go.com