17.50.1405 CLOSURE AND POST-CLOSURE CARE REQUIREMENTS FOR CLASS III LANDFILL UNITS (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. History: 75-10-204, MCA; IMP, 75-10-204, MCA; NEW, 2010 MAR p. 317, Eff. 2/12/10. |