Recent Actions
This page provides quick and easy access to recent regulations, and policy and guidance documents issued by EPA's Office of Air and Radiation for the previous 2 year period. Recent Actions are
If you are looking for an archive of older documents sorted by Clean Air Act Titles, search the OAR Policy and Guidance Information Page.
From the listing below, find the file you would like to download. The document may be available in one or more file formats, as represented by the icons on the righthand side of the listing. Click on the icon that represents the format you wish to receive. For details on TTNWeb's file type icons, standard file formats, and how to use them, see the TTNWeb File Types page.
File Description |
File Date |
File Types |
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=======A======= | |||
Aerosol Coatings | |||
- National volatile Organic Compound Emission Standards: Direct Final Rule: Fact Sheet | 03-02-12 | ![]() |
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- National volatile Organic Compound Emission Standards: Direct Final Rule | 03-02-12 | ![]() |
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- National volatile Organic Compound Emission Standards: Proposed Rule | 03-02-12 | ![]() |
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Air Quality: Revision to Definition of Votatile Organic Compounds | |||
- Exclusion of trans-1,3,3,3 - tetrafluoropropene: Final Rule: Fact Sheet | 06-07-12 | ![]() |
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- Exclusion of trans-1,3,3,3 - tetrafluoropropene: Final Rule | 06-07-12 | ![]() |
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Air Toxics Standards for Sixteen Source Categories (RTR Bins 1 and 2): | |||
- Proposed Rule: Fact Sheet | 09-17-10 | ![]() |
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- Proposed Rule | 09-17-10 | ![]() |
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Primary Aluminum Reduction - Risk and Technology Review: | |||
- Proposed Rule | 11-04-11 | ![]() |
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- Proposed Rule Fact Sheet | 11-04-11 | ![]() |
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=======B======= | |||
=======C======= | |||
Case-By-Case Emission Standards (112(j)), Outlining Requirements for States to Set: | |||
Proposed Amendments: Fact Sheet | 03-24-10 | ![]() |
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Proposed Amendments | 03-24-10 | ![]() |
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Chemical Manufacturing Area Sources: National Emission Standards for Hazardous Air Pollutants | |||
Area Sources: Proposed Rule and Notice of Reconsideration: Fact Sheet | 01-13-12 | ![]() |
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Area Sources: Proposed Rule and Notice of Reconsideration | 01-13-12 | ![]() |
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Chemical Manufacturing Industry: National Emission Standards for Hazardous Air Pollutants | |||
Area Sources: Final Rule Fact Sheet | 03-08-11 | ![]() |
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Area Sources: Final Rule | 03-08-11 | ![]() |
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Area Sources - Final Rule Fact Sheet | 10-16-09 | ![]() |
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Area Sources: Final Rule | 10-16-09 | ![]() |
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Chemical Preparation Industry: National Emission Standards for Hazardous Air Pollutants | |||
Area Sources: Final Rule Fact Sheet | 12-16-09 | ![]() |
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Area Sources: Final Rule | 12-16-09 | ![]() |
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Area Sources: Proposed Rule Fact Sheet | 07-28-09 | ![]() |
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Area Sources: Proposed Rule | 07-28-09 | ![]() |
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Chromium Electroplating (Hard and Decorative) and Chromium Anodizing Tanks ; and Steel Pickling-- HCl Process Facilities and Hydrochloric Acid Regeneration Plants-- National Emission Standards for Hazardous Air Pollutant Emissions | |||
Final Rule: Fact Sheet | 12-16-09 | ![]() |
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Final Rule | 12-16-09 | ![]() |
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Clean Air Act Section 126 Petition from New Jersey: | |||
Clean Air Act Section 126 Petition from New Jersey - Sulfur Dioxide Emissions from the Portland Generating Station: Withdrawal of Direct Final Rule | 03-12-11 | ![]() |
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Clean Air Act Section 126 Petition from New Jersey - Sulfur Dioxide Emissions from the Portland Generating Station: Direct Final Rule | 12-14-11 | ![]() |
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Clean Air Act Section 126 Petition from New Jersey - Sulfur Dioxide Emissions from the Portland Generating Station: Proposed Rule | 12-14-11 | ![]() |
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Clean Air Act Section 126 Petition from New Jersey - Sulfur Dioxide Emissions from the Portland Generating Station: Final Action | 10-31-11 | ![]() |
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Clean Air Act Section 126 Petition from New Jersey - Sulfur Dioxide Emissions from the Portland Generating Station: Fact Sheet | 10-31-11 | ![]() |
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Sulfur Dioxide Emissions form the Portland Generating Station: Extension of Comment Period | 05-24-11 | ![]() |
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Sulfur Dioxide Emissions form the Portland Generating Station: Proposed Action | 03-31-11 | ![]() |
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Sulfur Dioxide Emissions form the Portland Generating Station: Fact Sheet | 03-31-11 | ![]() |
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Final Rule: Fact Sheet | 11-10-10 | ![]() |
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Final Rule | 11-10-10 | ![]() |
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Commercial/Industrial Solid Waste Incinerators: Emissions Standards for Area Source | |||
- Fact Sheet | 04-30-10 | ![]() |
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- Proposed Rule | 04-30-10 | ![]() |
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Continuous Opacity Monitoring | |||
- Quality Assurance Requirements: Fact Sheet | 02-16-12 | ![]() |
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- Quality Assurance Requirements: Direct Final Rule | 02-16-12 | ![]() |
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- Quality Assurance Requirements: Parallel Proposed Rule | 02-16-12 | ![]() |
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=======D======= | |||
Definition of Volatile Organic Compounds | |||
- Proposed Exclusion of a Group of Four Hydrofluoropolyethers (HFPEs): Fact Sheet | 03-15-12 | ![]() |
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- Proposed Exclusion of a Group of Four Hydrofluoropolyethers (HFPEs) | 03-15-12 | ![]() |
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=======E======= | |||
=======F======= | |||
Ferroalloys Production - Risk and Technology Review: | |||
- Proposed Rule | 11-04-11 | ![]() |
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- Proposed Rule Fact Sheet | 11-04-11 | ![]() |
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Fossil-Fuel-Fired, Electric Utility, Industrial-Commercial-Institutional, and Small Industrial-Commercial-Institutional Steam Generating Units: | |||
- Standards of Performance: Direct Final Rule | 01-11-11 | ![]() |
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- Standards of Performance: Parallel Proposed Rule | 01-11-11 | ![]() |
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=======G======= | |||
Gasoline Distribution Facilities: National Emission Standards for Hazardous Air Pollutants | |||
- Final Amendment | 01-11-11 | ![]() |
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- Proposed Amendments: Fact Sheet | 12-07-09 | ![]() |
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- Proposed Amendments | 12-07-09 | ![]() |
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Gold Mine Ore Processing and Production - National Emissions Standards for Hazardous Air Pollutants: | |||
- Fact Sheet | 12-16-10 | ![]() |
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- Final Rule | 12-16-10 | ![]() |
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- Fact Sheet | 04-15-10 | ![]() |
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- Proposed Rule | 04-15-10 | ![]() |
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=======H======= | |||
Hard and Decorative chromium Electroplatng and Chromium anodizing Tans and Steel Pickling -- HCl Process Facilities and Hydrochloric Acid Regeneration Plants | |||
- National Emissions Standards for Hazardous Air Pollutants: Supplemental Proposed Rule - Fact Sheet | 01-27-12 | ![]() |
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- National Emissions Standards for Hazardous Air Pollutants: Supplemental Proposed Rule | 01-27-12 | ![]() |
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Hospital/Medical/Infectious Waste Incinerators | |||
- Amendments to the Federal Plan to Implement Standards of Performance for Existing Facilities and Amendments to the New Source Performance Standards: Proposed Rule - Fact Sheet | 03-28-12 | ![]() |
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- Amendments to the Federal Plan to Implement Standards of Performance for Existing Facilities and Amendments to the New Source Performance Standards: Proposed Rule | 03-28-12 | ![]() |
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Hospital/Medical/Infectious Waste Incinerators: New Source Performance Standards and Emission Guidelines | |||
- Final Rule Amendments - Fact Sheet | 03-29-11 | ![]() |
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- Final Rule Amendments | 03-29-11 | ![]() |
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- Final Rule Amendments - Fact Sheet | 09-15-09 | ![]() |
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- Final Rule Amendments | 09-15-09 | ![]() |
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- Proposed Rule Amendments - Fact Sheet | 11-14-08 | ![]() |
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- Proposed Rule Amendments | 11-14-08 | ![]() |
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=======I======= | |||
Industrial, Commercial, and Institutional Boilers: Emissions Standards for Area Source | |||
- Fact Sheet | 04-30-10 | ![]() |
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- Proposed Rule | 04-30-10 | ![]() |
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Industrial, Commercial, and Institutional Boilers and Process Heaters, Major Source: Emissions Standards for Area Source | |||
- Fact Sheet | 04-30-10 | ![]() |
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- Proposed Rule | 04-30-10 | ![]() |
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=======J======= | |||
=======K======= | |||
=======L======= | |||
Secondary Lead Smelting: National Emission Standards for Hazardous Air Pollutants | |||
- Final Rule Fact Sheet | 12-16-11 | ![]() |
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- Final Rule | 12-16-11 | ![]() |
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- Proposed Rule Fact Sheet | 05-02-11 | ![]() |
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- Proposed Rule | 05-02-11 | ![]() |
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Primary Lead Smelting: National Emission Standards for Hazardous Air Pollutants | |||
- Final Rule Fact Sheet | 11-04-11 | ![]() |
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- Final Rule | 11-04-11 | ![]() |
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- Proposed Rule Fact Sheet | 02-01-11 | ![]() |
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- Proposed Rule | 02-01-11 | ![]() |
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=======M======= | |||
Mercury Emissions from Mercury Cell Chlor-Alkali Plants: National Emission Standards for Hazardous Air Pollutants | |||
- Supplemental Proposal Fact Sheet | 03-03-11 | ![]() |
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- Supplemental Proposal | 03-03-11 | ![]() |
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Method 301 | |||
- Method 301 ? Field Validation of Pollutant Measurement Methods from Various Waste Media - Fact Sheet | 05-12-11 | ![]() |
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- Method 301 ? Field Validation of Pollutant Measurement Methods from Various Waste Media - Final Rule | 05-12-11 | ![]() |
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Method 16C | |||
- Emissions Testing Method: Proposed Rule: Fact Sheet | 08-26-10 | ![]() |
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- Emissions Testing Method: Proposed Rule | 08-26-10 | ![]() |
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Methods for Measurement of Filterable PM10 and PM2.5 and Measurement of Condensable Particulate Matter Emissions from Stationary Sources | |||
- Emissions Measurement Methods: Final Rule: Fact Sheet | 12-01-10 | ![]() |
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- Emissions Measurement Methods: Final Rule | 12-01-10 | ![]() |
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Mineral Wool Production and Wool Fiberglass Manufacturing - Risk and Technology Review: | |||
- Proposed Rule | 11-04-11 | ![]() |
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- Proposed Rule Fact Sheet | 11-04-11 | ![]() |
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=======N======= | |||
New Source Performance Standards Review | |||
- Advanced Notice of Proposed Rulemaking | 10-24-11 | ![]() |
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Nitric Acid Production - New Source Performance Standards | |||
- Fact Sheet | 05-14-12 | ![]() |
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- Final Rule | 05-14-12 | ![]() |
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- Fact Sheet | 09-30-11 | ![]() |
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- Proposed Rule | 09-30-11 | ![]() |
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=======O======= | |||
Ozone Monitoring Regulations | |||
- Revisions to Network Design Requirements: Proposed Rule - Fact Sheet | 07-08-09 | ![]() |
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- Revisions to Network Design Requirements: Proposed Rule | 07-08-09 | ![]() |
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=======P======= | |||
Petroleum Refineries: Air Toxics Standards | |||
- Proposed National Uniform Emission Standards for Heat Exchange Systems: Fact Sheet | 11-30-11 | ![]() |
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- Proposed National Uniform Emission Standards for Heat Exchange Systems | 11-30-11 | ![]() |
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- Notice of Partial Withdrawl of Final Amendments - Fact Sheet | 07-12-11 | ![]() |
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- Notice of Partial Withdrawl of Final Amendments - Final Rule |
07-12-11 | ![]() |
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- Proposed Partial Withdrawal: Fact Sheet | 10-15-09 | ![]() |
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- Final Amendments | 10-15-09 | ![]() |
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- Proposed Partial Withdrawal of Final Amendments | 10-15-09 | ![]() |
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- Final Amendments: Fact Sheet | 01-16-09 | ![]() |
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- Final Amendments | 01-16-09 | ![]() |
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Petroleum Refineries: New Source Performance Standards | |||
- Petroleum Refinery Process Heaters and Flares: New Source Performance Standards: Fact Sheet | 06-01-12 | ![]() |
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- Petroleum Refinery Process Heaters and Flares: New Source Performance Standards: Final Rule | 06-01-12 | ![]() |
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Plating and Polishing Area Source Facilities: National Emissions Standards for Hazardous Air Pollutants | |||
- Withdraw of Direct Final Rule and Final Rule | 09-12-11 | ![]() |
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- Direct Final Rule and Parallel Proposal: Fact Sheet | 06-14-11 | ![]() |
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- Direct Final Rule | 06-14-11 | ![]() |
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- Proposed Rule | 06-14-11 | ![]() |
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Polymers and Resins - Group IV: | |||
- Pesticide Active Ingredient Production; and Polyether Polyols Production - Risk and Technology Review: Proposed Rule | 11-30-11 | ![]() |
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- Pesticide Active Ingredient Production; and Polyether Polyols Production - Proposed Risk and Technology Review: Fact Sheet | 11-30-11 | ![]() |
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Polymers and Resins - Group I: | |||
- Marine Tank Vessel Loading Operations; Pharmaceuticals Production; and The Printing and Publishing Industry - National Emissions Standards for Hazardous Air Pollutants, Risk and Technology Review: Final Rule | 03-31-11 | ![]() |
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- Marine Tank Vessel Loading Operations; Pharmaceuticals Production; and The Printing and Publishing Industry++Final National Emissions Standards for Hazardous Air Pollutants, Risk and Technology Review: Fact Sheet | 03-31-11 | ![]() |
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Polyvinyl Chloride and Copolymers Production: | |||
- Final National Emission Standards for Hazardous Air Pollutants: Fact Sheet | 02-13-12 | ![]() |
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- National Emission Standards for Hazardous Air Pollutants: Final Rule | 02-13-12 | ![]() |
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- National Emission Standards for Hazardous Air Pollutants: Public Hearing Announcement | 05-24-11 | ![]() |
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- National Emission Standards for Hazardous Air Pollutants: Proposed Rule | 04-15-11 | ![]() |
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- Proposed National Emission Standards for Hazardous Air Pollutants: Fact Sheet | 04-15-11 | ![]() |
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Portland Cement Manufacturing: | |||
- Public Hearing on Proposed Amendments to New Source Performance Standards and National Emissions Standards for Hazardous Air Pollutants: Registered Speaker List as of 8/14/12. | 08-15-12 | ![]() |
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- New Source Performance Standards and National Emissions Standards for Hazardous Air Pollutants: Proposed Amendments on Reconsideration | 06-22-12 | ![]() |
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- New Source Performance Standards and National Emissions Standards for Hazardous Air Pollutants: Proposed Amendments on Reconsideration - Fact Sheet | 06-22-12 | ![]() |
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- Portland Cement Manufacturing: Denial in part and grant in part of petitions to reconsider | 05-11-11 | ![]() |
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- Portland Cement Manufacturing: Denial in part and grant in part of petitions to reconsider - Fact Sheet | 05-11-11 | ![]() |
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- Portland Cement Manufacturing: National Emission Standards for Hazardous Air Pollutants and Standards of Performance: Direct Final Rule | 01-11-11 | ![]() |
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- Portland Cement Manufacturing: National Emission Standards for Hazardous Air Pollutants and Standards of Performance: Parallel Proposed Rule | 01-11-11 | ![]() |
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- New Source Performance Standards and National Emissions Standards for Hazardous Air Pollutants: Fact Sheet | 08-09-10 | ![]() |
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- New Source Performance Standards and National Emissions Standards for Hazardous Air Pollutants | 08-09-10 | ![]() |
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- Proposed Amendments to National Air Toxics Emission Standards: Comment Period Extension and Public Hearings | 06-09-09 | ![]() |
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- Proposed Amendments to National Air Toxics Emission Standards: Fact Sheet | 04-21-09 updated 6-12-09 |
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- Proposed Amendments to National Air Toxics Emission Standards - Proposed Rule | 04-21-09 | ![]() |
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- Standards of Performance for Portland Cement Plants - Fact Sheet | 05-30-08 | ![]() |
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- Standards of Performance for Portland Cement Plants - Proposed Rule | 05-30-08 | ![]() |
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Prepared Animal Feeds Manufacturing | |||
- National Emission Standards for Hazardous Air Pollutants: Area Source Standards: Amendments: Fact Sheet | 12-15-11 | ![]() |
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- National Emission Standards for Hazardous Air Pollutants: Area Source Standards: Direct Final Amendments | 12-15-11 | ![]() |
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- National Emission Standards for Hazardous Air Pollutants: Area Source Standards: Proposed Amendments | 12-15-11 | ![]() |
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- National Emission Standards for Hazardous Air Pollutants: Area Source Standards: Final Rule: Fact Sheet | 12-16-09 | ![]() |
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- National Emission Standards for Hazardous Air Pollutants: Area Source Standards: Final Rule | 12-16-09 | ![]() |
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- Proposed Rule to Reduce Air Toxics Emissions from Area Source Prepared Feeds Manufacturing Facilities: Fact Sheet | 07-22-09 | ![]() |
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- Proposed Rule to Reduce Air Toxics Emissions from Area Source Prepared Feeds Manufacturing Facilities: Proposed Rule | 07-22-09 | ![]() |
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Pulp and Paper Production | |||
- Final National Emissions Standards for Hazardous Air Pollutants: Fact Sheet | 07-31-12 | ![]() |
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- National Emissions Standards for Hazardous Air Pollutants: Final Rule | 07-31-12 | ![]() |
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- National Emission Standards for Hazardous Air Pollutants: Risk and Technology Review: Fact Sheet | 12-15-11 | ![]() |
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- National Emission Standards for Hazardous Air Pollutants: Risk and Technology Review: Proposed Rule | 12-15-11 | ![]() |
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=======Q======= | |||
=======R======= | |||
Reciprocating Internal Combstion Engines: National Emission Standards for Hazardous Air Pollutants; New Source Performance Standards for Stationary Internal Combustion Engines | |||
- Public Hearing Speakers | 07-09-12 | ![]() |
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- Proposed Rule | 05-22-12 | ![]() |
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- Proposed Rule: Fact Sheet | 05-22-12 | ![]() |
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- Direct Final Amendments | 03-02-11 | ![]() |
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- Proposed Amendments | 03-02-11 | ![]() |
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- Direct Final Amendments with Parallel Proposal: Fact Sheet | 03-02-11 | ![]() |
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=======S======= | |||
Stationary Gas and Combustion Turbines | |||
- Proposed Amendments to Standards of Performance - Fact Sheet | 06-22-12 | ![]() |
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- Proposed Amendments to Standards of Performance | 06-22-12 | ![]() |
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Secondary Aluminum Production | |||
- National Emissions Standards for Hazardous Air Pollutants Risk and Technology Review: Proposed Rule - Fact Sheet | 01-30-12 | ![]() |
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- National Emissions Standards for Hazardous Air Pollutants Risk and Technology Review: Proposed Rule | 01-30-12 | ![]() |
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Shipbuilding and Ship Repair (Surface Coating); Wood Furniture Manufacturing Operations: National Emission Standards for Hazardous Air Pollutants | |||
- Final Rule Fact Sheet | 11-04-11 | ![]() |
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- Final Rule | 11-04-11 | ![]() |
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- Proposed Rule Fact Sheet | 12-03-10 | ![]() |
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- Proposed Rule | 12-03-10 | ![]() |
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Sewage Sludge Incinerators: | |||
- Proposed Air Toxics Emissions Controls: Fact Sheet | 09-30-10 | ![]() |
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- Proposed Air Toxics Emissions Controls: Proposed Rule | 09-30-10 | ![]() |
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Stack Gas Velocity: Revisions to Test Method for Determining Stack Gas Velocity, Taking into Account Velocity Decay near the Stack Walls | |||
- Proposed Rule: Fact Sheet | 08-19-09 | ![]() |
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- Proposed Rule | 08-19-09 | ![]() |
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Stationary Compression Ignition and Spark Ignition Internal Combustion Engines, Standards of Performance : | |||
- Action on Amendments to Standards of Performance for Stationary Compression Ignition and Spark Ignition Internal Combustion Engines: Fact Sheet | 06-08-11 | ![]() |
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- Action on Amendments to Standards of Performance for Stationary Compression Ignition and Spark Ignition Internal Combustion Engines: Final Rule | 06-08-11 | ![]() |
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- Fact Sheet for proposed rule | 05-25-10 | ![]() |
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- Proposed Rule | 05-25-10 | ![]() |
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Stationary Source Audit Program: | |||
- Restructuring: Final Rule: Fact Sheet | 08-10-10 | ![]() |
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- Restructuring: Final Rule | 08-10-10 | ![]() |
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- Restructuring: Proposed Rule: Fact Sheet | 06-05-09 | ![]() |
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- Restructuring: Proposed Rule | 06-05-09 | ![]() |
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=======T======= | |||
Test Methods and Testing Regulations: | |||
- Revisions to Test Methods and Testing Regulations - Proposed Rule | 11-30-11 | ![]() |
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- Revisions to Test Methods and Testing Regulations - Proposed Rule: Fact Sheet | 11-30-11 | ![]() |
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=======U======= | |||
Uniform Emission Standards for Storage Vessel and Transfer Operations, Equipment Leaks, and Closed Vent Systems and Control Devices: | |||
- National Uniform Emission Standards General Provisions: Proposed Rule: Fact Sheet | 02-24-12 | ![]() |
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- National Uniform Emission Standards General Provisions: Proposed Rule | 02-24-12 | ![]() |
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=======V======= | |||
Volatile Organic Compounds | |||
Excluding Two Compounds from Control as Volatile Organic Compounds - Proposal: Fact Sheet | 10-11-11 | ![]() |
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Excluding Two Compounds from Control as Volatile Organic Compounds: Proposed Rule | 10-11-11 | ![]() |
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=======W======= | |||
=======X======= | |||
=======Y======= | |||
=======Z======= |