81. Within 6 months following the date on which the engineered landfill is closed, the operator must send to the Minister a closure report prepared by independent experts, attesting to
(1) the working order, effectiveness and reliability of the landfill liner system, the leachate or water collection and treatment systems, the biogas collection and evacuation or removal system and the network of groundwater observation wells, installed at the landfill in accordance with this Regulation;
(2) compliance with the limit values that apply to discharges of leachate or water, to emissions of biogas and to groundwater; and
(3) compliance with the requirements of this Regulation or with the certificate of authorization as regards the final landfill cover and the integration of the landfill into the surrounding landscape.
The closure report must specify any instances of non-compliance with this Regulation or the certificate of authorization and indicate the remedial measures to be taken.