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TITLE 30ENVIRONMENTAL QUALITY
PART 1TEXAS COMMISSION ON ENVIRONMENTAL QUALITY
CHAPTER 329DRILLED OR MINED SHAFTS
RULE §329.18Decommissioning

Shaft decommissioning and closure shall be in accordance with plans and specifications approved by the executive director. Decommissioning seals shall be placed in the shaft so as to prevent the migration of fluids into a major or minor aquifer. Shaft seal mix designs shall be compatible with existing lining, if applicable, and adjacent strata.


Source Note: The provisions of this §329.18 adopted to be effective May 13, 1986, 11 TexReg 1978.

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