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

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83. The requirements of this Division continue to apply, with the necessary modifications, to a permanently closed engineered landfill, for as long as the landfill is likely to be a source of contamination.
Once a landfill is closed, the owner is responsible, in particular,
(1)  for maintaining the integrity of the final cover over the landfilled residual materials;
(2)  for monitoring and maintaining the leachate or water collection and treatment systems, the biogas collection and evacuation or removal system and the network of groundwater observation wells;
(3)  for the carrying out of samplings, analyses and measurements of leachate, water and biogas; and
(4)  for leak testing the leachate or water collection pipes situated outside the landfill disposal areas and every component in the leachate or water treatment system.
O.C. 451-2005, s. 83.