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Mercury Risk Assessment

EPA Designated Federal Officer (DFO):Angela Nugent

Responsible Committee/Panel:Mercury Review Panel

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EPA is considering regulating the emissions of hazardous air pollutants (HAPs) released from coal-burning electric generating units in the United States (U.S. EGUs) under Section 112(n)(1)(A) of the Clean Air Act (CAA). This regulation may potentially use a Maximally Achievable Control Device (MACT) approach to set a technology-based standard for reducing HAP emissions.

EPA is developing a draft risk assessment for mercury, entitled Technical Support Document: National-scale Mercury Risk Assessment. This draft assessment considers the nature and magnitude of the potential risk to public health posed by current U.S. EGU mercury emissions and the nature and magnitude of the potential risk posed by U.S. EGU mercury emissions in the future, once all anticipated CAA-related regulations potentially reducing mercury from U.S. EGUs are in-place. EPA’s Office of Air and Radiation has requested peer review of this draft document.

Agency Charge . (PDF, 11 pp., 71,467 bytes)

Agency Review Document(s):

PDF for Technical Support Document: National-Scale Mercury Risk Assessment Supporting the Appropriate and Necessary Finding for Coal and Oil-Fired Electric Generating Units - March 2011 Draft. (PDF, 95 pp., 2,928,102 bytes)

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