(a) When landfill operations end, the holder of a permit issued under this subtitle for a landfill system shall close and cover all of the land for which the permit was issued in a manner that prevents:
(1) Erosion;
(2) Health and safety hazards;
(3) Nuisances; and
(4) Pollution.
(b) The Department shall adopt regulations that set standards for the closing and covering of landfill systems.