Quick Facts on Boiler MACT

March 1, 2011
Carol F. McCabe
Association of Corporate Counsel's "Green-house Counsel"

The "Boiler MACT" is a significant EPA rulemaking effort that will require the use of Maximum Achievable Control Technology ("MACT") for reducing hazardous air pollutant ("HAP") emissions from institutional, commercial and industrial boilers. The Boiler MACT will apply to boilers located at "major" sources of HAPs, those emitting 10 tons per year or more of a single HAP or 25 tons per year of any combination of HAPs. EPA estimates that there are approximately 13,800 of these boilers, which are generally located at large industrial or manufacturing plants.

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