On December 16, 2011, the Environmental Protection Agency (EPA) signed a rule to reduce emissions of toxic air pollutants from power plants. Specifically, these mercury and air toxics standards (MATS) for power plants will reduce emissions from new and existing coal- and oil-fired electric utility steam generating units (EGUs).
MATS will reduce emissions of heavy metals, including mercury (Hg), arsenic (As), chromium (Cr), and nickel (Ni); and acid gases, including hydrochloric acid (HCl) and hydrofluoric acid (HF). These toxic air pollutants, also known as hazardous air pollutants or air toxics, are known or suspected of causing cancer and other serious health effects.
For more information, go to http://www.epa.gov/mats/pdfs/20111221MATSimpactsfs.pdf
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