Emissions Unit

{
  "id": "MLC-T-ENV-009404",
  "term": "Emissions Unit",
  "field": "Environment",
  "definition": "1. Emissions Units include all individual pieces of equipment that emit air pollutants at a stationary source. EPA regulations define an emissions unit as any part of a stationary source which emits or would have the potential to emit any pollutant subject to regulation under the Clean Air Act. Examples of common emissions units include Stationary Internal Combustion Engines, Boilers or Steam Generators, Combustion Turbines, Printing Presses, Solvent Degreasers, and Paint Spray Booths.\n\n2. Any significant activity, stationary article, process equipment, machine, or other contrivance which emits air pollution.\n\n3. Any part or activity of a stationary source that emits or has the potential to emit any regulated air pollutant or any pollutant listed under section 112(b) of the Act. This term is not meant to alter or affect the definition of the term “unit” for purposes of title IV of the Act. [40 CFR 70.2 (CFR 2013)]\n\n4. Any part of an air pollution source that emits, or may emit, air pollutants into the atmosphere.\n\n5. Any part or activity of a stationary source that emits or has the potential to emit any hazardous air pollutant.\n\n6. Group 1 furnace or in-line fluxer at a secondary aluminum production facility.\n\n7. Same meaning as provided under part 70 of this chapter.",
  "subject": "Air",
  "references": [
    "Air Permitting Terms",
    "Emissions Inventory System Glossary",
    "40 CFR 71.2 (CFR 2013)",
    "40 CFR 49.123 (CFR 2013)",
    "40 CFR 71.22 (CFR 2013)",
    "40 CFR 63.1503",
    "40 CFR 64.1 (CFR 2018)"
  ],
  "url": "https://mlchart.com/terminology/environment/emissions-unit/"
}