M-13.1, r. 1 - Regulation respecting petroleum, natural gas and underground reservoirs

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48.1. A well drilling licensee must, while drilling, deposit the drilling mud in a leakproof structure designed according to recognized practices. At the end of the drilling, the structure must be removed or dismantled and the drilling mud must be reclaimed or eliminated in accordance with the provisions of the Environment Quality Act (chapter Q-2) and its regulations.
O.C. 1381-2009, s. 27.