9VAC20-70-90: Closure, post-closure care and corrective action requirements

A. The owner or operator shall close his facility in a manner that minimizes the need for further maintenance; and controls, minimizes or eliminates, to the extent necessary to protect human health and the environment, the post-closure escape of uncontrolled leachate, surface runoff, or waste decomposition products to the groundwater, surface water, or to the atmosphere. The owner or operator shall close his facility in accordance with all applicable regulations.

The closure standards applicable to the solid waste management facilities are described in 9VAC20-81-160, 9VAC20-81-360, and 9VAC20-81-370 of the Solid Waste Management Regulations. The closure requirements applicable to the regulated medical waste facilities are specified in 9VAC20-121-290 of the Regulated Medical Waste Management Regulations.

B. Following closure of each solid waste disposal unit, the owner or operator shall conduct post-closure care in accordance with the requirements of 9VAC20-81-170 of the Solid Waste Management Regulations, as applicable.

C. The owner or operator shall institute a corrective action program when required to do so by 9VAC20-81-45 or 9VAC20-81-260 of the Solid Waste Management Regulations, as applicable.

D. During any re-examination of a determination of the amount of financial assurance required, the owner or operator of a landfill facility not closed in accordance with 9VAC20-81 shall demonstrate financial assurance by using one or more of the approved mechanisms listed in Article 4 (9VAC20-70-140 et seq.) of this part for the lesser of the following:

1. The amount requested by the director; or

2. The following default amounts:

a. $200,000 per acre of fill for sanitary landfills; or

b. $150,000 per acre of fill for construction demolition debris landfills and industrial landfills.