Nuclear News Roundup Sep 04, 2017 South Korea’s defense minister on Monday said it was worth reviewing the redeployment of American tactical nuclear weapons to the Korean Peninsula to guard against the North, a step that analysts warn would sharply increase the risk of an accidental conflict. Washingtonpost.com The Korea Atomic Energy Research Institute (KAERI) has signed contracts with several domestic companies to develop technologies for decommissioning Kori unit 1, which was permanently shut down in June. It is the first South Korean reactor to enter decommissioning. World-nuclear-news.org The Canadian Nuclear Safety Commission has completed its technical assessment of a draft environmental impact statement (EIS) for a proposed Near Surface Disposal Facility (NSDF) for radioactive waste from Canadian Nuclear Laboratories' Chalk River site. CNL must now address all federal and public comments received on the proposal before submitting its final EIS. World-nuclear-news.org The nuclear power plant near Richland began supplying the regional power grid Saturday afternoon after being shut down for nearly 13 days. Energy Northwest’s Columbia Generating Station was shut down by operators Aug. 20 when an air removal valve in the plant’s turbine building closed, causing a loss of vacuum pressure in the system that turns steam back into water for reuse at the plant. Tri-cityherald.com