The new Major Source Boiler MACT rule impacts gas, oil, biomass or coal fired boilers and process heaters at industries, institutions and commercial locations. This EPA webinar is intended for owners and operators of boilers and process heaters located at major source facilities. Join EPA Headquarters and EPA Region 1 staff for this free webinar as they discuss the requirements and timelines of the Major Source Boiler MACT Rule. (National Emission Standards for Hazardous Air Pollutants for Major Sources: Industrial, Commercial, and Institutional Boilers and Process Heaters (40 CFR Part 63, Subpart DDDDD)).