Technology Transfer Network - Air Toxics Web Site
Air Toxics Standards for Utilities
Proposed and Promulgated Rules
Subpart UUUUU - National Emission Standards for Hazardous Air Pollutants: Utility NESHAP
| Date | Citation | Action | Description | File Download |
|---|---|---|---|---|
See the most recent regulatory actions for Electric Utility Steam Generating Units at Mercury and Air Toxics Standards for Powerplants |
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| 4/30/15 | 80 FR 24218 | Denial of Petitions for Reconsideration | National Emission Standards for Hazardous Air Pollutants from Coal- and Oil-fired Electric Utility Steam Generating Units and Standards of Performance for Fossil-Fuel-Fired Electric Utility, Industrial-Commercial-Institutional, and Small Industrial- Commercial-Institutional Steam Generating Units; Denial of Petitions for Reconsideration |  |
| 2/17/15 | 80 FR 8441 | Corrections | National Emission Standards for Hazardous Air Pollutants from Coal- and Oil-fired Electric Utility Steam Generating Units and Standards of Performance for Fossil-Fuel-Fired Electric Utility, Industrial-Commercial-Institutional, and Small Industrial- Commercial-Institutional Steam Generating Units; Corrections | |
| 11/19/14 | 79 FR 68777 | Final rule; notice of final action on reconsideration | Reconsideration of Certain Startup/Shutdown Issues: National Emission Standards for Hazardous Air Pollutants From Coal- and Oil-Fired Electric Utility Steam Generating Units and Standards of Performance for Fossil-Fuel-Fired Electric Utility, Industrial-Commercial-Institutional, and Small Industrial-Commercial-Institutional Steam Generating Units | |
| 06/25/13 | 78 FR 38001 | Proposed rule; Reopening of Comment Period | Reconsideration of Certain Startup/Shutdown Issues: National Emission Standards for Hazardous Air Pollutants From Coal- and Oil-Fired Electric Utility Steam Generating Units and Standards of Performance for Fossil-Fuel-Fired Electric Utility, Industrial-Commercial-Institutional, and Small Industrial-Commercial-Institutional Steam Generating Units |  211 kb |
| 04/24/13 | 78 FR 24073 | Notice of Final Action on Reconsideration | Reconsideration of Certain New Source Issues: National Emission Standards for Hazardous Air Pollutants from Coal- and Oil-fired Electric Utility Steam Generating Units and Standards of Performance for Fossil-Fuel-Fired Electric Utility, Industrial- Commercial-Institutional, and Small Industrial-Commercial- Institutional Steam Generating Units | 420 kb |
| 12/12/12 | 77 FR 73968 | Extension of public comment period | Reconsideration of Certain New Source and Startup/Shutdown Issues: National Emission Standards for Hazardous Air Pollutants From Coaland Oil-Fired Electric Utility Steam Generating Units and Standards of Performance for Fossil-Fuel-Fired Electric Utility, Industrial-Commercial-Institutional, and Small Industrial-Commercial-Institutional Steam Generating Units | |
| 12/05/12 | 77 FR 72294 | Correction | National Emission Standards for Hazardous Air Pollutants from Coal- and Oil-fired Electric Utility Steam Generating Units and Standards of Performance for Fossil-Fuel-Fired Electric Utility, Industrial-Commercial-Institutional, and Small Industrial- Commercial-Institutional Steam Generating Units: Proposal - Reconsideration. | |
| 11/30/12 | 77 FR 71323 | Proposal - Reconsideration | National Emission Standards for Hazardous Air Pollutants from Coal- and Oil-fired Electric Utility Steam Generating Units and Standards of Performance for Fossil-Fuel-Fired Electric Utility, Industrial-Commercial-Institutional, and Small Industrial- Commercial-Institutional Steam Generating Units: Proposal - Reconsideration. | |
| 08/02/12 | 77 FR 45967 | Partial Stay | National Emission Standards for Hazardous Air Pollutants from Coal- and Oil-fired Electric Utility Steam Generating Units and Standards of Performance for Fossil-Fuel-Fired Electric Utility, Industrial-Commercial-Institutional, and Small Industrial- Commercial-Institutional Steam Generating Units: Notice of Partial Stay. | |
| 4/19/12 | 77 FR 23399 | Correction | National Emission Standards for Hazardous Air Pollutants from Coal- and Oil-fired Electric Utility Steam Generating Units and Standards of Performance for Fossil-Fuel-Fired Electric Utility, Industrial-Commercial-Institutional, and Small Industrial- Commercial-Institutional Steam Generating Units- Final rule; correction. | |
| 2/16/12 | 77 FR 9303 | Final | National Emission Standards for Hazardous Air Pollutants from Coal- and Oil-fired Electric Utility Steam Generating Units and Standards of Performance for Fossil-Fuel-Fired Electric Utility, Industrial-Commercial-Institutional, and Small Industrial- Commercial-Institutional Steam Generating Units-Final Rule | |
| 7/1/11 | 76FR38590 | Proposed | Proposed National Emission Standards for Hazardous Air Pollutants From Coal- and Oil-Fired Electric Utility Steam Generating Units and Standards of Performance for Fossil-Fuel-Fired Electric Utility, Industrial-Commercial-Institutional, and Small Industrial-Commercial-Institutional Steam Generating Units; Extension of Comment Period | |
| 4/28/11 | 76FR23768 | Notice | National Emission Standards for Hazardous Air Pollutants: Utility NESHAP: Public Hearing Annoucement | |
| 5/03/11 | 76FR24976 | Proposed | National Emission Standards for Hazardous Air Pollutants From Coal- and Oil-Fired Electric Utility Steam Generating Units and Standards of Performance for Fossil-Fuel-Fired Electric Utility, Industrial-Commercial- Institutional, and Small Industrial-Commercial-Institutional Steam Generating Units; Proposed Rule--Note: Pages 25014 and 25069 of the proposed rule contain references to proprietary technology. EPA included these references merely to illustrate that the technologies under discussion are commercially available. EPA and the U.S. government do not endorse any of the listed products. | |
MATS Reconsideration
| Date | Description | Download |
| 12/03/14 | Assessment of startup period at coal-fired electric generating units - Revised | |
| 06/17/13 | Assessment of startup period at coal-fired electric generating units | |
| 11/16/2012 | MATS proposal reconsideration operating limit memo | |
| 11/16/2012 | MATS proposal reconsideration Hg 3xRDL memo | |
| 11/16/2012 | MATS proposal reconsideration controls memo | |
| 11/16/2012 | MATS proposal reconsideration beyond-the-floor memo | |
| 11/16/2012 | MATS proposal reconsideration CPMS operating limit memo | |
| 11/16/2012 | MATS proposal reconsideration startup/shutdown memo | |
| 11/16/2012 | MATS proposal reconsideration MACT floor memo | |
| 11/16/2012 | MATS proposal reconsideration EIA | |
| 11/16/2012 | MATS proposal reconsideration MACT floor spreadsheet - coal selenium |  |
| 11/16/2012 | MATS proposal reconsideration MACT floor spreadsheet - coal filterable PM | |
| 11/16/2012 | MATS proposal reconsideration MACT floor spreadsheet - coal HCl | |
| 11/16/2012 | MATS proposal reconsideration MACT floor spreadsheet - non-low rank virgin coal Hg | |
| 11/16/2012 | MATS proposal reconsideration MACT floor spreadsheet - coal lead | |
| 11/16/2012 | MATS proposal reconsideration MACT floor spreadsheet - pet coke SO2 | |
| 11/16/2012 | MATS proposal reconsideration MACT floor spreadsheet - coal SO2 | |
| 11/16/2012 | MATS proposal reconsideration MACT floor spreadsheet - low rank virgin coal Hg | |
| 11/16/2012 | MATS proposal reconsideration MACT floor spreadsheet - oil filterable PM | |
| 11/16/2012 | MATS proposal reconsideration MACT floor spreadsheet - pet coke filterable PM | |
MATS ICR Data
The file(s) below provide(s) the information obtained through the MATS ICR (ICR No. 2362.01; OMB Control Number 2060-0631). The information provided is the latest available prior to signature of the proposal package. Previous versions have been deleted.
Note: Due to the large file sizes, the download period may cause timeouts on some computers.| Date | Description | Download |
| 6/30/11 | List of facility/unit Hg stack emission averages from the EU MACT ICR Parts II and Part III | |
| 6/6/11 | Facility Contact Information | |
| 5/26/11 | Part III ICR facility data |  |
| 12/16/11 | MACT Floor Analysis-Coal HG | |
| 12/16/11 | MACT Floor Analysis-Coal acid gas | |
| 12/16/11 | MACT Floor analysis-Coal HAP metals | |
| 12/16/11 | MACT Floor analysis-Oil | |
| 12/16/11 | MACT Floor analysis- IGCC | |
| 12/16/11 | MACT Floor analysis- Petroleum Coke | |
| 4/28/11 | ICR data - oil D-F | |
| 3/16/11 | ICR data - coal D-F | |
| 3/16/11 | ICR data - organics CO | |
| 12/16/11 | EGU_ICR_PartI_and_PartII |  |
| 12/16/11 | EGU ICR PartIII | |
| 4/5/11 | Database dictionary-Part III | |
| 4/5/11 | Database dictionary-Part I/II | |
| 4/5/11 | Database electronic report diagram | |
| 4/5/11 | Database electronic report diagram legend | |
Technical Support Documents
| Date | Description | Download | ||||
| 12/16/11 | Excess Local Deposition TSD | |
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| 12/16/11 | Emissions Spreadsheet | |
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| 01/04/12 | Supplement to the Non-Hg Case Study Chronic Inhalation Risk Assessment In Support of the Appropriate and Necessary Finding for Coal- and Oil-Fired Electric Generating Units | |
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| 12/16/11 | Support materials for oil emission factors for non-mercury risk assessment | |
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| 5/5/2011 | Case Studies Emissions Spreadsheet from proposal | |
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| 12/16/11 | Case Studies Emissions Spreadsheet | |
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| 12/16/11 | Mercury speciation data | |
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| 12/16/11 | Mercury speciation profiles | |
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| 12/16/11 | Methods to Develop Inhalation Cancer Risk Estimates for Chromium and Nickel Compounds | |
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| 12/16/11 | Response to Comments Document NESHAP | |
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| 12/16/11 | Response to Comments Document NSPS | |
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| 12/16/11 | Air Quality Modeling TSD: EGU Mercury Analysis | |
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| 12/16/11 | Air Quality Modeling TSD: Final EGU NESHAP | |
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| 12/16/11 | Feasibility of Retrofits for Toxics Rule | |
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| 12/16/11 | Revised Resource Adequacy TSD | |
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| 3/16/11 | Non-Hg Case Study Chronic Inhalation Risk Assessment TSD | |
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| 12/16/11 | EGU MACT Floor Memo | |
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| 12/16/11 | Revised Beyond-the-Floor_TSD | |
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| 3/16/11 | Summary of Outreach and consultation with Tribal Govenments | |
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| 3/16/11 | FCPC follow up to EPA's consultation on utility MACT rulemaking | |
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| 3/16/11 | FCPC Comments on EPA's CAMR Rulemaking | |
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| 3/16/11 | Watras Study-Devils Lake-Mercury Final Report June 2006 | |
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| 3/16/11 | Demographics analysis | |
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| 12/16/11 | Emissions Overview | |
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| 12/16/11 | Revised Mercury Risk TSD | |
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| 12/16/11 | Revised Planned and Projected Retirements | |
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| 12/16/11 | Regulatory Impact Analysis for the final Mercury and Air Toxics Standard | |
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| 3/22/11 | IPM materials | | ||||
| 12/16/11/11 | IPM Outputs - Policy Case |  | |
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| 12/16/11/11 | IPM Outputs - Base Case | | |
Final ICR Information
| Date | Description | Download | |
| 12/24/09 | ICR Final Part A | |
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| 12/24/09 | ICR Final Part B | |
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Other Information
| Date | Description | Download | |
| 6/21/2012 | Example MATS initial notification form | |
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| 3/31/2011 | Public Utility Commission Study | |
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| 3/31/11 | Employment impacts associated with the manufacture, installation, and operation of scrubbers | |
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Final ICR Information
| Date | Description | Download | Download |
| 12/24/09 | ICR Final Part A | |
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| 12/24/09 | ICR Final Part B | |
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More detail on the ongoing Utility MACT ICR effort
History
- Historical information on the Clean Air Mercury Rule.
- Historical information on Electric Utility Steam Generating Units Rule Making.