Laws & Regulations
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Small Municipal Waste Combustion Units Air Toxics Rules Fact Sheets
This page contains several fact sheets with information regarding the final New Source Performance Standards (NSPS), Emission Guidelines, and Compliance Times regulations. This document provides a summary of the information for these regulations.
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Industrial, Commercial, and Institutional Boilers and Process Heaters: National Emission Standards for Hazardous Air Pollutants (NESHAP) Major Sources Fact Sheets
Learn more about the National Emissions Standards for boilers and process heaters by reading the fact sheets on the final rules for both the major and area sources
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Site Remediation National Emission Standards for Hazardous Air Pollutants (NESHAP) Fact Sheets
This page contains July 2003 and May 2016 fact sheets with information regarding the final National Emission Standards for Hazardous Air Pollutants (NESHAP). This document provides a summary of the information for these regulations.
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Municipal Solid Waste Landfill New Source Performance Standards (NSPS) and Emission Guidelines (EG) -- Questions and Answers
This November 1998 document of questions and answers are provided as a guide for those subject to the new source performance standards (NSPS) or emission guidelines (EG), as well as those implementing the NSPS or EG.
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2015 Municipal Solid Waste New Source Performance Standards (NSPS) and Emission Guidelines (EG) Data Files
The following are 2015 data files related to the Municipal Solid Waste Landfills: New Source Performance Standards (NSPS), Emission Guidelines (EG) rules.
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2016 Municipal Solid Waste New Source Performance Standards (NSPS) and Emission Guidelines (EG) Data Files
The following are 2016 data files related to the Municipal Solid Waste Landfills: New Source Performance Standards (NSPS), Emission Guidelines (EG) rules.
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Implementation Documents for 40 CFR 63 Subpart SSSSS
Implementation documents for the National Emissions Standards for hazardous Air Pollutants (NESHAP) for the refractory products manufacturing industry.
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Status of Section 111(d)/129 State Plans (SP) for Small Municipal Waste Combustors (MWC) Units
This page contains a September 2005 document that documents the status of each state's state plan status for Small Municipal Waste Combustors (MWC) Units.
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Fact Sheet: Proposed Amendments to the National Volatile Organic Compound Emission Standards for Aerosol Coatings
Recently signed proposed amendments.
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Responses to 40 CFR Part 75 Petitions - 2025
Petition responses in 2025.
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Applying or Implementing Nitrogen Dioxide Standards
Along with developing the NO2 standards themselves (part of the National Ambient Air Quality Standards, or NAAQS), EPA also develops requirements for how to apply or implement them, and work toward about attaining and maintaining those standards.
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Historical Rulemakings
Archive of listing of Federal Register notices and links to more information for each rulemaking action related to EPA's Greenhouse Gas Reporting Program.
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How to Submit a Complete Petition for an Approved Pathway for Renewable Fuel Standards
Description of process to submit a complete petition to the OTAQ TCD for a new fuel pathway.
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Frequent Questions about Volkswagen Violations
Frequent questions about EPA's issued notice of violation (NOV) of the Clean Air Act (CAA) to Volkswagen. The NOV alleges software that circumvents EPA emissions standards for certain air pollutants.
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Learn About Volkswagen Violations
Learn about EPA's issued notice of violation (NOV) of the Clean Air Act (CAA) to Volkswagen. The NOV alleges software that circumvents EPA emissions standards for certain air pollutants.
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Metro Water Recovery - Clean Water Act Public Notice
The EPA is providing notice of a proposed Administrative Penalty Assessment in the form of an Expedited Settlement Agreement (“ESA”) against the Metro Water Recovery, for alleged violations associated with sewage sludge in or around Brighton, Colorado.
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City of Spokane, Washington - Clean Water Act Public Notice
The EPA is providing notice of a proposed Administrative Penalty Assessment in the form of an Expedited Settlement Agreement (“ESA”) against the city of Spokane, Washington for alleged violations associated with the land application of sewage sludge from t
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City of Hays, Kansas - Clean Water Act Public Notice
The EPA is providing notice of a proposed Administrative Penalty Assessment in the form of an Expedited Settlement Agreement (“ESA”) against the city of Hays, Kansas, for alleged violations associated with the land application of sewage sludge in or around
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Starostka-Lewis, LLC - Clean Water Act Public Notice
The EPA is providing notice of a proposed Administrative Penalty Assessment against Starostka-Lewis, LLC (“Respondent”) for alleged violations associated with the construction of a residential development named Dominion at Stevens Creek located southeast
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Jefferson City, Tennessee - Clean Water Act Public Notice
The EPA is providing notice of a proposed Administrative Penalty Assessment in the form of an Expedited Settlement Agreement (“ESA”) against the city of Jefferson City, TN, for alleged violations associated with the land application of sewage sludge in or