Related to this article.. Underground temperature never go down regardless of frozen wall beside common fuel pool [URL]   On 6/2/2016, Tepco reported to NRA (Nuclear Regulation Authority) that they need to inject cement to “frozen” water wall and NRA admitted it. The feasibility of frozen water wall project was questioned since before the beginning. In the meeting of NRA, Tepco admitted the temperature remains nearly 10 ℃ at 4 “freezing” points to cause no improvement to stop contaminated groundwater. It … Continue reading Tepco to inject cement instead of frozen water wall