A nuclear engineer who was fired by his contractor employer in 2013 after he warned of waste disposal safety risks at the Hanford, Wash., nuclear site agreed to accept a $4.1 million settlement. Walter Tamosaitis, according to an Associated Press report on Wednesday, settled with his former employer, San Francisco-based subcontractor URS Inc. (now AECOM), which had removed him from his post as a manager at Hanford's Waste Treatment Plant in 2010. He and colleague Donna Busche, the former mana...