Controlling NOx Emissions from Utility Electric Generation in East and Central Texas
Rules in Title 30, Texas Administrative Code, Chapter 117 for controlling emissions of nitrogen oxides from utility electric generating systems in east and central Texas. These rules are part of the State Implementation Plan strategy to meet the National Ambient Air Quality Standards for ozone.
Areas Affected
- Austin-Round Rock area (Rules apply in Bastrop and Travis Counties)
- Corpus Christi area (Rules apply in Nueces County)
- Dallas-Fort Worth area (Rules apply in Parker County)
- Northeast Texas area (Rules apply in Gregg, Harrison, and Rusk Counties)
- San Antonio area (Rules apply in Bexar County)
- Victoria area (Victoria County)
Other Counties:
- Atascosa County
- Brazos County
- Calhoun County
- Cherokee County
- Fannin County
- Fayette County
- Freestone County
- Goliad County
- Grimes County
- Henderson County
- Hood County
- Hunt County
- Lamar County
- Limestone County
- Marion County
- McLennan County
- Milam County
- Morris County
- Red River County
- Robertson County
- Titus County
- Wharton County
Rule Citation
30 TAC Chapter 117, Subchapter E, Division 1
Description of Rules
- Reduce NOx emissions from utility electric power boilers and stationary gas turbines, including duct burners used in turbine exhaust ducts, that are used to generate electric energy for compensation.
- Apply to units placed into service before December 31, 1995.
- Monitoring, reporting, recordkeeping, and testing requirements may apply depending on the size (British thermal units per year) of the unit and its particular use.
- Final control reports demonstrating compliance with the emission specifications may also apply.
Rule History
The Chapter 117 rule history for utility electric generation in east and central Texas (PDF) gives information on revisions to the rules, including the rule proposal and adoption, the associated State Implementation Plan revision, and U.S. Environmental Protection Agency approval.Compliance Resources
- The Decision Support System can help you determine if you are subject to the Chapter 117 rules for utility electric generation in east and central Texas.
- TexasEnviroHelp: Small Business and Local Government Assistance
- Emissions Banking and Trading Program
- American Society for Testing and Materials (ASTM) Standards
- EPA Test Methods
- EPA Performance Specifications and Other Monitoring Information for Continuous Emission Monitoring Systems
- Protocol for Predictive Emission Monitoring Systems referenced in 30 TAC 117.8100(b) (PDF)
Related Information
- Stakeholder groups that help the agency with air quality issues
- State Implementation Plan: Air Pollution from Ozone
- Air Permits and Registrations
- Tax Relief for Pollution Control Property
- Point Source Emissions Inventory
Contact Information
- Contact the Stationary Source Programs Team for additional information about stationary source rules.
- Sign up to receive e-mail updates on SIP-related information, including information on stationary source rules. Select SIP Hot Topics under the Air Quality heading.