On March 21, 2011 the U.S. Environmental Protection Agency (“EPA”) published two rules regarding air emissions that pertain to boilers and were specifically designed to reduce emissions of air pollutants.  Those two rules are: Major Source (Boiler MACT) Rule designed to limit emissions from large sources of air pollutants; and  Area Source Rule which reduces boiler emissions from small sources of air pollutants The boiler Maximum Available Control Technology (“MACT”) Rule applies to boilers located at major sources of hazardous air pollutants (“HAPs”).  A source is considered major if it has the potential to emit 10 tons per year or… Read more