Texas Administrative Code
Title 30 - ENVIRONMENTAL QUALITY
Part 1 - TEXAS COMMISSION ON ENVIRONMENTAL QUALITY
Chapter 331 - UNDERGROUND INJECTION CONTROL
Subchapter E - STANDARDS FOR CLASS III WELLS
Section 331.87 - Methods of Measurement
Universal Citation: 30 TX Admin Code § 331.87
Current through Reg. 50, No. 13; March 28, 2025
Determination of a physical or chemical parameter in groundwater may be by chemical analysis of a sample or by field measurement by an instrument. Any field measurement of a groundwater parameter using instrumentation must be done using methods and instruments that yield a measurement that is at least equivalent in quality and sensitivity as a measurement determined by chemical analysis.
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