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Controlling NOx Emissions from Utility Electric Generation in Ozone Nonattainment Areas

Rules in Title 30, Texas Administrative Code, Chapter 117 for controlling emissions of nitrogen oxides from utility electric-generation 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 C

Rule Description

  • Limits NOx emissions from:
    • utility boilers;
    • auxiliary steam boilers;
    • stationary gas turbines; and
    • duct burners used in turbine exhaust ducts that are used in an electric power generating system.
  • 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 plans demonstrating compliance with the emission specifications may also apply.
  • Sites in the Houston-Galveston-Brazoria area may be required to participate in the Mass Emissions Cap and Trade Program.

Rule History

The Chapter 117 rule history for utility electric generation sources in ozone nonattainment areas gives information on 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