M-13.1, r. 2 - Regulation respecting mineral substances other than petroleum, natural gas and brine

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110. The mineral substances referred to in subparagraph 2 of the first paragraph of section 232.1 of the Act include any mineral substance other than petroleum, natural gas, brine and surface mineral substances.
“Surface mineral substances” refers to the substances listed in section 1 of the Act, except however inert mine tailings used in construction, for the manufacture of construction materials or for the amendment of soils.
O.C. 1042-2000, s. 110.