1. EPA 2011 Reducing Toxic Pollution from Power Plants U.S. EPA, March 2011 http://www.epa.gov/airquality/powerplanttoxics/pdfs/presentation.pdf
2. EIA 2011 Annual Energy Outlook 2011, Energy Information Administration http://www.eia.gov/forecasts/aeo/index.cfm
3. NACAA 2011 State/Local Mercury/Toxics Programs for Utilities, National Association of Clean Air Agencies http://www.4cleanair.org/
4. Feeley , T. Jones , A. 2008 An update on DOE/NETL's mercury control technology field testing program. Prepared for the U.S. Department of Energy National Energy Technology Laboratory, 2008 http://www.netl.doe.gov/technologies/coalpower/ewr/mercury/pubs/netl%20Hg%20 program%20white%20paper%20FINAL%20Jan2008.pdf
5. Control of mercury emissions from coal-fired electric utility boilers;Srivastava;Environ. Sci. Technol.,2006