S-2.1, r. 14 - Regulation respecting occupational health and safety in mines

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76. For the purposes of this Subdivision:
(1)  an underground excavation is under the influence of a body of water where the excavation is less than 100 m (328.1 ft) from the rock contour below the body of water at its highest point;
(2)  an open-pit mine is under the influence of a body of water where the width of the protective wall is less than 100 m (328.1 ft) from the body of water at its highest point.
O.C. 213-93, s. 76.