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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 |
RULE §331.87 | Methods of Measurement |
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 |