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Quality Assurance

Discusses the TCEQ's program in quality assurance, including air and surface-water quality assurance and related topics.

The TCEQ Quality Assurance Program includes:

  • Agency and ambient air and surface water quality assurance.


  • Coordination of the analytical method modification program.


  • Quality assistance for regulated entities and for the TCEQ program and project managers.


If you have any questions about a particular aspect of the program, please contact us at 512-239-6340 or


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