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Boilers and Industrial Furnaces
National Summary
Boilers are a common source of air pollutants that are used at a wide variety of facilities, such as power plants, manufacturing facilities, refineries, mining facilities, hospitals, schools, hotels, and laundries. Boilers burn natural gas, coal, wood, oil, or other fuel to produce steam, which is used to produce electricity or provide heat. The combustion of fuels results in emissions of numerous pollutants, such as nitrogen oxides (NOx), sulfur dioxide (SO2), carbon monoxide (CO), particulate matter, and various hazardous air pollutants (HAPs), including dioxins and furans, hydrochloric acid, and mercury.
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TypeTitleDateState
Proposed Regulations 40 CFR 52 - Air Quality Implementation Plans, Missouri 01/25/2013National
Final Regulations 40 CFR 52 - Air Quality Implementation Plans, Missouri 01/25/2013National
Final Regulations 40 CFR 52 - Approval and Promulgation of Air Quality Implementation Plans; 04/24/2014National
Proposed Regulations 40 CFR 52 - Approval and Promulgation of Air Quality Implementation Plans; Massachusetts; Revisions to Fossil Fuel Utilization and Source Registration Regulations and Boiler Industrial Standards 02/07/2013National
Proposed Regulations 40 CFR 52 - Approval and Promulgation of Air Quality Implementation Plans; Pennsylvania; Control of Commercial Fuel Oil Sulfur Limits for Combustion Units 02/20/2014National
Final Regulations 40 CFR 52 - Clean Air Plans; 2015 8-Hour Ozone Nonattainment Area Requirements; Clean Fuels or Advanced Control Technology for Boilers; San Joaquin Valley and Los Angeles--South Coast Air Basin, California 05/08/2023National
Proposed Regulations 40 CFR 60 - Standards of Performance for New Residential Wood Heaters, New Residential Hydronic Heaters and Forced-Air Furnaces, and New Residential Masonry Heaters 07/01/2014National
Final Regulations 40 CFR 63 - National Emission Standards for Hazardous Air Pollutants for Major Sources: Industrial, Commercial, and Institutional Boilers and Process Heaters; Final Rule 01/31/2013National
Final Regulations 40 CFR 63 - NESHAP for Area Sources: Industrial, Commercial, and Institutional Boilers 02/01/2013National
Notices Agency Information Collection Activities; Proposed Collection; Comment Request; Information Requirements for Boilers and Industrial Furnaces 06/27/2013National
Notices Agency Information Collection Activities; Proposed Collection; Comment Request; Information Requirements for Boilers and Industrial Furnaces (Renewal), EPA ICR No. 1361.19, OMB Control No. 2050-0073 05/13/2024National
Checklists Best Practices Checklist for Boiler Tune-Ups  National
Regulatory Analysis Boilers And Industrial Furnaces  National
Notices ICR Submitted Concerning Boilers and Industrial Furnaces 10/23/2013National
Notices ICR Submitted; Comment Request; Information Requirements for Boilers and Industrial Furnaces (Renewal) 12/27/2016National
Questions & Answers What is the latest with the Boiler MACT being vacated? 08/21/2007National
Questions & Answers Will a source having 4 large gas fired boilers with fuel oil back up trigger the Boiler MACT if it burns oil to avoid high natural gas prices? 04/21/2016National