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Controlling NOx Emissions from Minor Combustion Sources

Rules in Title 30, Texas Administrative Code, Chapter 117 for controlling emissions of nitrogen oxides from minor industrial, commercial, and institutional sources in ozone nonattainment areas. These rules are part of the State Implementation Plan strategy to meet the National Ambient Air Quality Standard for ozone.

Areas Affected

Rule Citation

30 TAC Chapter 117, Subchapter D Exit the TCEQ

Description of Rules

  • Limit NOx emissions in the Dallas–Fort Worth area from stationary, reciprocating internal combustion engines at any site that emits less than 50 tons of NOx per year.
  • Limit NOx emissions in the Houston-Galveston-Brazoria area from the following equipment located at any site that emits less than 25 tons of NOx per year:
    • boilers and process heaters
    • stationary, reciprocating internal combustion engines
    • stationary gas turbines, including duct burners
  • Include operating, monitoring, testing, and record-keeping requirements.

Rule History

The Chapter 117 rule history for minor industrial, commercial, and institutional sources discusses revisions to the rules, including their proposal and adoption, the associated State Implementation Plan revision, and U.S. Environmental Protection Agency approval.

Compliance Resources

Related Information

Contact Information