lowered safety standards

huffingtonpost.com
U.S. Nuclear Regulators Weaken Safety Rules, Fail To Enforce Them: AP Investigation

shorter, more concise version: http://www.nzherald.co.nz/environment/news/article.cfm?c_id=39&objectid=10733863 “Radioactive tritium has leaked from three-quarters of United States commercial nuclear power sites, often into groundwater from corroded, buried piping, an Associated Press investigation shows.”