Timothy J. Prince, P.E., BCEE, established Prince Environmental in June of 2003. He specializes in providing air quality permitting, compliance and dispersion modeling support pursuant to state and federal regulatory programs. He is a registered Professional Engineer (P.E.) in Texas and has been certified by the American Academy of Environmental Engineers (AAEE) as a Board-Certified Environmental Engineer (BCEE) with a specialization in air pollution control.


Mr. Prince received his Bachelor’s degree in Mathematics from Northeastern University in Boston in 1977 and graduated from the University of Texas at Austin Environmental Health and Engineering Program with his Master’s degree in Engineering in 1986. He has worked continuously in the environmental field since 1978 having progressively served as an air quality scientist, staff engineer, air quality practice leader, partner and now president of his own firm.

A condensed professional profile highlighting Mr. Prince’s areas of expertise; education; work experience; licenses and affiliations; and publications is provided below. A complete professional profile is available upon request by contacting Mr. Prince at 512 542-0084 or .


Areas of Expertise

  • Regulatory Liaison
  • NSR / PSD Permitting

  • Title V Permitting

  • Air Dispersion Modeling

  • Litigation Support

  • Expert Testimony

  • Compliance / Due Diligence Audits

  • Ambient Air Monitoring Studies
  • MACT Air Toxics Compliance
  • Regulatory Applicability Analyses
  • Control Technology Analyses
  • Emmisions Inventories


  • M.S. Civil Engineering, Environmental Health and Engineering Program, University of Texas at Austin (1986)
  • B.S. Mathematics, Northeastern University (1977)



Registrations / Certifications

Registered Professional Engineer in the State of Texas

Board Certified Environmental Engineer - American Academy of Environmental Engineers

Professional Affiliations

Air and Waste Management Association

American Academy of Environmental Engineers

Employment History

EPA Region 1 | June 1976 - December 1976
SPCC Inspector (Co-Op Position)

Radian Corp. | June 1978 - December 1981
Staff Scientist. Air Quality Division

University Texas at Austin | January 1982 - April 1983
Graduate Student / Research Assistant

Waid and Associates | April 1983 - September 1985
Air Quality Scientist

Espey, Huston & Associates | September 1985 - August 1989
Senior Engineer, Air Quality Group

Cook-Joyce, Inc. | August 1989 - March 1992
Associate / Air Quality Practice Leader

ERM-Southwest, Inc. | March 1992 - May 2003
Senior Associate / Air Quality Practice Leader

Prince Environmental | June 2003 - Present
President and Owner

Publications and Presentations

Prince, Timothy J. “The Role of Refined Air Dispersion Modeling Techniques in Regulatory Air Quality Impacts Reviews.” 23rd Annual Texas Environmental Superconference, State Bar of Texas Environmental & Natural Resources Law Section, August 3, 2011, Austin, Texas.

Prince, Timothy J. and H. Taback “Compliance Strategies for the Houston Cap and Trade Program Based on Lessons Learned from the Los Angeles RECLAIM Program.” Air and Waste Management Association’s 94th Annual Meeting and Exhibition, June 25, 2001, Orlando, Florida.

Prince, Timothy J.  “Strategic Considerations in the Voluntary Permitting of Grandfathered Facilities”.  7th Annual South Texas Environmental Conference, October 21, 1999, Corpus Christi, Texas.

Prince, Timothy J. “Conflicts Driven by Changes in Potential to Emit Requirements, Calculation Methods and Policy.” Air and Waste Management Association’s 90th Annual Meeting and Exhibition, June 8, 1997, Toronto, Ontario, Canada.

Prince, Timothy J. “Strategies for Management of Change in Title V Applicable Requirements.” Air and Waste Management 89th Annual Meeting and Exhibition, June 23, 1996, Nashville, Tennessee.

Prince, Timothy J. “Benefits and Pitfalls of the HON Emissions Averaging Provisions.” Air and Waste Management 88th Annual Meeting and Exhibition, June 18, 1995, San Antonio, Texas.

Prince, Timothy J. “Cleansing of Existing Air Quality permits for Title V Compliance.”  Air and Waste Management 88th Annual Meeting and Exhibition, June 18, 1995, San Antonio, Texas.

Prince, Timothy J.  "Regulatory Requirements and Compliance Strategies for the Hazardous Organic NESHAP (HON)".  National Meeting of the American Institute of Chemical Engineers, August 17, 1993, Seattle, Washington.

Prince, Timothy J.  "Effects of Ammonia and Alkaline Soil Dust on Sulfate Wet Deposition."  Third Chemical Conference of North America, June 7, 1988, Toronto, Ontario.

Prince, Timothy J. and H.M. Liljestrand.  "An Interpretation of Within Storm Variations of Precipitation Chemistry at Sites in Central and East Texas."  Proceedings of the 1988 APCA National Conference, June 24, 1988, Dallas, Texas.

Prince, Timothy J.  "Acid Rain in Texas, Transport and Scavenging."  Southwest and Rocky Mountain (SWARM) Chapter of the National Society for the Advancement of Science Conference, April 3, 1987, Austin, Texas.

Prince, Timothy J. and J.A. Levy.  "An Algorithm for Screening Air Quality Impacts as Part of Real-Time Hazardous Waste Pre-Acceptance Programs,” Proceedings of the North Texas Air Pollution Control Association 1987 Technical Conference; February 12, 1987, Dallas, Texas.