1. Public Law 101-549, Nov 15, 1990.
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3. Study of Hazardous Air Pollutant Emissions from Electric Utility Steam Generating Units—Final Report to Congress. U.S. Environmental Protection Agency. EPA-453/R-98-004a, Feb. 1998; EPA-452/R-9 7-003, Dec 1997; http://www.epa.gov/airlinks.
4. Regulatory Finding on the Emissions of Hazardous Air Pollutants from Electric Utility Steam Generating Units;Fed. Regist.,2000
5. State-of-the-Art of Mercury Continuous Emission Monitors for Coal-Fired Systems;Laudal,2000