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TITLE 30 - ENVIRONMENTAL QUALITY
PART 1 - TEXAS COMMISSION ON ENVIRONMENTAL QUALITY
CHAPTER 331 - UNDERGROUND INJECTION CONTROL
SUBCHAPTER E - STANDARDS FOR CLASS III WELLS
SECTION/RULE §331.87 - Methods of Measurement
Chapter Review Date 02/14/2024

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.

Source Note: The provisions of this §331.87 adopted to be effective March 12, 2009, 34 TexReg 1638.

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