EPA Websites Related to the MATS Rule
EPA is no longer updating the content on this page and links may not function; however, the materials on this page may be useful as background to supplement current information or to provide an historical perspective.
Current information is available at: https://www.epa.gov/stationary-sources-air-pollution/mercury-and-air-toxics-standards
CSAPR protects the health of millions of Americans by helping states reduce air pollution and attain clean air standards. This rule requires states to significantly improve air quality by reducing power plant emissions that contribute to ozone and/or fine particle pollution in other states.
- Affordable Clean Energy Rule
The ACE rule establishes emission guidelines for states to use when developing plans to limit carbon dioxide (CO2) at their coal-fired electric generating units (EGUs). In this notice, EPA also repealed the Clean Power Plan, and issued new implementing regulations for ACE and future rules under section 111(d).Acid Rain Program (ARP)
The Acid Rain Program, established under Title IV of the 1990 Clean Air Act (CAA) Amendments requires major emission reductions of sulfur dioxide (SO2) and nitrogen oxides (NOx), the primary precursors of acid rain, from the power sector.
- Mercury In Your Environment
This site explains the chemical element mercury, how it gets into the environment, how we are exposed to mercury, and what health effects and ecological exposure to mercury means.