EPA to Tighten Emission Standards for Industrial Boilers

Jul 17, 2020

by ASME.org

The Environmental Protection Agency (EPA) is working to amend the 2013 National Emission Standards for Hazardous Air Pollutants (NESHAP) for Industrial, Commercial, and Institutional Boilers and Process Heaters after two court orders compelled the agency to create more stringent boiler standards. The amendments seek to comply more fully with the Clean Air Act and specifically address emission limits for certain types of new and existing boilers, update the rationale for using carbon monoxide (CO) as a surrogate for controlling organic hazardous air pollutants (HAPs); and update the rationale for originally setting a CO standard below 130 parts per million.
 
In a statement discussing the new proposed amendments, EPA Administrator Andrew Wheeler said that “America’s air quality is the cleanest it’s been in modern history, and these amendments will reduce emissions of hazardous air pollutants even more. With this action, we are proposing updated standards to limit emissions of hazardous air pollutants from certain industrial boilers. This underscores the Trump Administration’s commitment to reducing air pollution, while providing needed clarity to the regulated community.”
 
The agency estimates that about 444 boilers are subject to the standards and that 33 would need to take additional actions to comply.
 
EPA is accepting comments on the proposed action for 60 days after it is published in the Federal Register. For more information, visit: https://www.epa.gov/stationary-sources-air-pollution/industrial-commercial-and-institutional-boilers-and-process-heaters.

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