Our pages on laboratory accreditation and certification have moved.

The TCEQ Quality Assurance Program includes:

• Agency and ambient air and surface water quality assurance.
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• Coordination of the analytical method modification program.
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• 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 512/239-6343 or QAGroup@tceq.state.tx.us.

Related Publications

• TCEQ Quality Management Plan, Revision 13 (January 2008), in PDF format (Help with PDF) or in Word Perfect format ( Help with WordPerfect)
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• The Analytical Method Modification Program—How to Apply, publication RG-380 (October 2003) (PDF)
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• Specifications and Guidelines for Quality Systems for Environmental Data Collection and Environmental Technology Programs , American National Standard ANSI/ASQC E4-1994 (PDF) (a charge applies)
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