Q-2, r. 19 - Regulation respecting the landfilling and incineration of residual materials

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51. Not later than 1 year after installation of the final cover, the final layer must be given a vegetative layer consisting of species not likely to impair the impermeability of the cover.
Damage such as holes, fissures or subsidence that may occur in the final cover must be repaired immediately to prevent water from pooling over or infiltrating into the disposal areas, until the areas have been fully stabilized.
O.C. 451-2005, s. 51.