WASHINGTON, May 12 -- The Department of Energy Office of Environmental Management issued the following news release: * * * Hanford Advances Cleanup, Removes Waste From 23rd Underground Tank RICHLAND, Wash. -- The U.S. Department of Energy's (DOE) Hanford team has finished removing radioactive waste from the 23rd underground storage tank, marking continued progress towards site remediation and revitalization. "Safely retrieving waste from aging tanks is one of Hanford's highest priorities," s  more