(1) A Class III landfill unit closure plan required under ARM 17.50.508 must include, at a minimum:
(a) procedures for construction of two feet of final cover and placement of six inches of top soil;
(b) procedures for grading and seeding to prevent erosion; and
(c) the deed notation specified in ARM 17.50.1113, unless all wastes are removed from the landfill unit and the owner or operator of a facility receives approval from the department to remove the notation from the deed.
(2) A Class III landfill unit post-closure plan required under ARM 17.50.508 must include, at a minimum, descriptions of procedures for:
(a) maintaining the integrity of the final cover;
(b) maintaining adequate vegetative cover; and
(c) erosion control.
(3) The owner or operator of an existing Class III landfill unit shall submit for department approval closure and post-closure plans that meet the requirements of this rule by April 13, 2010.
(4) The owner or operator of a Class III landfill unit shall give notice of intent to close the landfill to the same extent as required of a Class II landfill unit in ARM 17.50.1115, and shall close the landfill and conduct post-closure care in compliance with the closure and post-closure plans required in this rule.