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TCEQ Cement Kiln Study

A study to determine the availability of new air pollution control technologies for cement kilns in the Dallas-Fort Worth area.

Background

On April 15, 2005, a settlement agreement was entered into by the TCEQ, Blue Skies Alliance, the United States Environmental Protection Agency (EPA), and the Portland Cement Association to resolve a lawsuit brought by the Blue Skies Alliance, et al. against the EPA. As part of this settlement agreement, the TCEQ agreed to commission, in consultation with the parties to the settlement, a study to evaluate potential new air pollution control technologies for cement kilns in the Dallas-Fort Worth (DFW) 1997 eight-hour ozone nonattainment area.

Many of the documents linked from this page are in Portable Document Format (PDF). (Help with PDF.)

Final Report

The cement kiln study was conducted by Eastern Research Group, Inc. (ERG), under contract to the TCEQ, to evaluate potential new air pollution control technologies for cement kilns in the DFW eight-hour ozone nonattainment area:

  1. Assessment of NOx Emissions Reduction Strategies for Cement Kilns-Ellis County: Final Report, ERG, Inc. (July 14, 2006)
  2. Revised Final Report with corrected tables and figures (August 23, 2006)
  3. Comments received from Jenkens and Gilchrist, representing the Portland Cement Association, Austin, Texas (January 24, 2006)
  4. Comments received from Holcim Texas LP, Midlothian, Texas (February 6, 2006)
  5. Comments received from the United States Environmental Protection Agency, Research Triangle Park, North Carolina (April 10, 2006)
  6. Comments received from the United States Environmental Protection Agency, Region 6, Dallas, Texas (April 10, 2006)
  7. Comments received from Jenkens and Gilchrist, representing the Portland Cement Association, Austin, Texas (June 9, 2006), including “The Experience of SCR at Solnhofen and its Applicability to US Cement Plants,” Schreiber, Yonley & Associates, Fenton, Missouri (June 6, 2006)
  8. Comments from Dr. Alfredo Armendariz, Dallas, Texas (May 30, 2006)
  9. Letter to Mr. Mike Eastland, Executive Director, NCTCOG, from Jenkens and Gilchrist, representing the Portland Cement Association, Austin, Texas (August 16, 2006)
  10. Comments received from Jenkens and Gilchrist, representing the Portland Cement Association, Austin, Texas (August 16, 2006), titled “Analysis of July 31, 2006 Report Prepared by Alvaro A. Linero, P.E. Titled ‘Trip Report on SCR Experiences at Solnhofer Portland Zementwerke, Cementeria di Monselice, and ASM Brescia Waste-to-Energy Plant.’”
  11. Letter to Mr. David Schanbacher, Chief Engineer, TCEQ, from Jenkens and Gilchrist, representing the Portland Cement Association, Austin, Texas (November 20, 2006)
  12. Comments received from Jenkens and Gilchrist, representing the Portland Cement Association, Austin, Texas (November 20, 2006). The following four Attachments are referenced in these comments:

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Settlement Agreement

The full text of the settlement agreement.

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Study Team Resumes

  • Gabriel Miller, Ph.D.—New York University
  • David Gossman—Gossman Consulting, Inc.

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Contract Work Orders

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Mid-Course Documents

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Draft Final Report

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Attorney General Determination

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Cement Kiln Sensitivity Tests

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Contact Information

Bob Gifford
Air Quality Division, TCEQ
Phone:  (512) 239-3149