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ARTICLE · 24 MAY 2010

Environmental Law Alert - May 2010 - EPA Proposes New Boiler MACT Rule

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Recently U.S. EPA has proposed a sweeping new rule that could impose stricter hazardous air pollutant emissions limitation and other requirement on operators of new and existing boilers and process heaters.

United StatesEnvironment
Barnes & Thornburg LLP’S Environmental Law Department
Barnes & Thornburg LLP’S Environmental Law Department
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Recently U.S. EPA has proposed a sweeping new rule that could impose stricter hazardous air pollutant emissions limitation and other requirement on operators of new and existing boilers and process heaters. The rule which was proposed in part to address a 2007 court order from the DC Circuit Court of Appeals, has three basic parts:

  • Creation of new emissions limitations and/or work practice standards for industrial, commercial, and institutional boilers and process heaters at "major" and "area" sources of hazardous air pollutants (HAPs). Major sources are those with emissions of 10 tons per year or more of any one HAP or 25 tons per year or more of a combination of HAPs. Area sources of HAPs are those source that fall below the Major source threshold.

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