Controlling NOx Emissions from Engines in East Texas
- Northeast Texas area (Gregg, Harrison, Rusk, Smith, and Upshur counties)
- Limit NOx emissions from stationary gas-fired reciprocating internal combustion engines.
- Monitoring, reporting, record-keeping, and testing requirements may apply depending on the size (horsepower) of the engine.
The Chapter 117 rule history for East Texas engines gives information on revisions to the rules, including the rule proposal and adoption, the associated state implementation plan revision, and the U.S. Environmental Protection Agency approval of the rules.
- The Decision Support System can help you determine if you are subject to the Chapter 117 east Texas combustion rules.
- Resources to help small businesses and local governments
- American Society for Testing and Materials (ASTM) Standards
- EPA Test Methods
- EPA performance specifications for continuous emission monitoring systems and CEMS quality assurance procedures
- Predictive Emission Monitoring Systems Protocol referenced in 30 TAC 117.8100(b)
- Stakeholder groups that help the agency with air quality issues
- State plan to meet the national ozone standard
- Emissions banking and trading program
- Air permitting and registration
- Tax relief for pollution-control property
- Point source emissions inventory