The U.S. Energy Dept.’s inspector general on Dec. 30 cleared a top DOE official in charge of overseeing the agency’s $6 billion of stimulus spending of abusing her authority related to spending at the agency’s Savannah River site in Aiken, S.C. But investigators said they found a toxic work atmosphere at the facility, poisoned by charges of “racism and reverse discrimination.” In a three-page report, Inspector General Gregory Friedman said he found no conclusive evidence that the official, Cynthia Anderson, engaged in any wrongdoing. She was not identified by name in the version of the report publicly released. But according
Arch dams, classically curved monoliths situated in narrow valleys, are not as common as other types of dams, such as embankment dams and gravity dams. ENR takes a look at some of the biggest arch dams in the world, both completed and under construction.