This page contains fact sheets summarizing National Emission Standards for Hazardous Air Pollutants (NESHAP) for major source boilers.
These documents contain answers to common questions for these requirements.
For more information on the boiler rules, visit the regulation page for Industrial, Commercial, and Institutional Boilers and Process Heaters: National Emission Standards for Hazardous Air Pollutants (NESHAP) Major Sources.
You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.- Fact Sheet: Final Reconsideration for the Air Toxics Standards for Industrial, Commercial, and Institutional Boilers and Process Heaters at Major Source Facilities (PDF)(2 pp, 27 K, November 5, 2015)
- Fact Sheet: Reconsideration of the Air Toxics Standards for Industrial, Commercial, and Institutional Boilers and Process Heaters at Major Source Facilities (PDF)(3 pp, 97 K, December 1, 2014)
- EPA's Air Toxics Standards Major and Area Sources Boilers and Certain Incinerators Technical Overview: Adjustments from March 2011 Final Standards (PDF)(6 pp, 74 K, December 21, 2012)
- Fact Sheet: Adjustments for Major and Area Sources Boilers and Certain Indicators Summary Overview (PDF)(4 pp, 85 K, December 21, 2012)
- Fact Sheet: Final Adjustments to the Air Toxics Standards for Industrial, Commercial and Institutional Boilers and Process Heaters at Major Source Facilities (PDF)(4 pp, 112 K, December 21, 2012)