An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to www.epa.gov. This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

Generic Chemical Rules for Stationary Sources of Air Pollution

The following are generic chemical air pollution regulations. To learn more about these regulations and guidelines, just click on the links below.

National Emission Standards for Hazardous Air Pollutants – NESHAP

New Source Performance Standards – NSPS

Control Techniques Guidelines - CTG

Alternative Control Techniques - ACT

Alternative Means of Emission Limitation - AMEL

Industry Regulations Regulation/Guideline Type
Generic Chemical Rules
Sources Covered by Generic Chemical Rules Requests for an Alternative Means of Emission Limitation to Use Flares AMEL
Cooling Towers Industrial Process Cooling Towers NESHAP
Distillation, Reactors, and Heat Exchangers Standards of Performance for Volatile Organic Compound Emissions from the Synthetic Organic Chemical Manufacturing Industry Air Oxidation Unit Processes NSPS
Distillation, Reactors, and Heat Exchangers Standards of Performance for Volatile organic Compound Emissions from Synthetic Organic Chemical manufacturing Industry Distillation Operations NSPS
Distillation, Reactors, and Heat Exchangers Standards of Performance for Volatile Organic Compound Emissions from Synthetic Organic Chemical Manufacturing Industry Reactor Processes NSPS
Distillation, Reactors, and Heat Exchangers Control of Volatile Organic Compound Emissions from Air Oxidation Processes in Synthetic Organic Chemical Manufacturing Industry CTG
Distillation, Reactors, and Heat Exchangers Control of Volatile Organic Compound Emissions from Reactor processes and Distillation Operations Processes in the Synthetic Organic Chemical Manufacturing Industry CTG
Equipment Leaks National Emission Standards for Equipment Leaks - Control Level 1 NESHAP-Subpart TT
Equipment Leaks National Emission Standards for Equipment leaks - Control Level 2 Standards NESHAP-Subpart UU
Equipment Leaks National Emission Standard for Equipment Leaks (Fugitive Emission Sources) of Benzene NESHAP-Subpart J
Equipment Leaks National Emission Standard for Equipment Leaks (Fugitive Emission Sources) NESHAP-Subpart V
Equipment Leaks Standards of Performance for Equipment Leaks of VOC in the Synthetic Organic Chemicals Manufacturing Industry for which Construction, Reconstruction, or Modification Commenced After January 5, 1981 and on or Before November 7, 2006 NSPS
Equipment Leaks Standards of Performance for Equipment Leaks of VOC in the Synthetic Organic Chemicals Manufacturing Industry for Which Construction, Reconstruction, or Modification Commenced After November 7, 2006 NSPS
Process Vents, Control Devices, and Flares National Emission Standards for Closed Vent Systems, Control Devices, Recovery Devices and Routing to a Fuel Gas System or a Process NESHAP-Subpart SS
Process Vents, Control Devices, and Flares Alternative Control Technology Document - Organic Waste process Vents ACT
Storage Vessels and Transfer Operations National Emission Standards for Containers NESHAP-Subpart PP
Storage Vessels and Transfer Operations National Emission Standards for Tanks - Level 1 NESHAP-Subpart OO
Storage Vessels and Transfer Operations National Emission Standards for Storage Vessels (Tanks) - Control Level 2 NESHAP-Subpart WW
Storage Vessels and Transfer Operations National Emission Standards for Benzene Emissions From Benzene Storage Vessels NESHAP-Subpart Y
Storage Vessels and Transfer Operations National Emission Standard for Benzene Emissions From Benzene Transfer Operations NESHAP-Subpart BB
Storage Vessels and Transfer Operations Standards of Performance for Storage Vessels for Petroleum Liquids for Which Construction, Reconstruction, or Modification Commenced After June 11, 1973, and Prior to May 19, 1978 NSPS
Storage Vessels and Transfer Operations Standards of Performance for Storage Vessels for Petroleum Liquids for Which Construction, Reconstruction, or Modification Commenced After May 18, 1978, and prior to July 23, 1984 NSPS
Storage Vessels and Transfer Operations Standards of Performance for Volatile Organic Liquid Storage Vessels (Including Petroleum Liquid Storage Vessels) for Which Construction, Reconstruction, or Modification Commenced After July 23, 1984 NSPS
Storage Vessels and Transfer Operations Alternative Control Techniques Document:  Volatile Organic Liquid Storage in Floating and Fixed Roof Tanks ACT
Storage Vessels and Transfer Operations Control of Volatile Organic Emissions from Petroleum Liquid Storage in External Floating Roof Tanks CTG
Storage Vessels and Transfer Operations Control of Volatile Organic Emissions From Storage of Petroleum Liquids in Fixed-Roof Tanks CTG
Storage Vessels, Transfer Operations, Process Vents, and Equipment Leaks

Consolidated Federal Air Rule (CAR) for Synthetic Organic Chemical Manufacturing Industry

NSPS, NESHAP
Wastewater Operations Benzene Waste Operations NESHAP-Subpart FF
Wastewater Operations National Emission Standards for Individual Drain Systems NESHAP-Subpart RR
Wastewater Operations National Emission Standards for Surface Impoundments NESHAP-Subpart QQ
Wastewater Operations Control of Volatile Organic Compound Emissions from Industrial Wastewater ACT
Water Separators (Oil and water) National Emission Standards for Oil-Water Separators and Organic-Water Separators NESHAP-Subpart VV