Clean Air Act: Preliminary Observations on the Effectiveness and Costs of Mercury Control Technologies at Coal-Fired Power Plants

This testimony by the Government Accountability Office (GAO-09-860T) dated July 9, 2009 explains that substantial mercury reductions using mercury control technology systems commercially and in tests were achieved with all three main types of coal and on boiler configurations that exist at nearly three-fourths of U.S. coal-fired power plants.