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Controlling NOx Emissions from Cement Kilns

Rules in Title 30, Texas Administrative Code, Chapter 117, for controlling emissions of nitrogen oxides from cement kilns. 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 E, Division 2 Exit the TCEQ

Rule Description

  • The NOx emission specifications apply to the following units placed into service before December 31, 1999:
    • long wet kilns
    • long dry kilns
    • preheater kilns
    • preheater-precalciner kilns
    • precalciner kilns
  • Mandatory NOx source cap requirements apply to portland-cement kilns in Ellis County.

Rule History

The Chapter 117 rule history for cement kilns 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.

Compliance Resources

Related Information

Contact Information