"Closure" means closure of a storage unit or facility authorized under this title to handle hazardous materials or wastes, and includes submittal of a closure application and, if necessary, preparation and implementation of a closure plan, designed to meet all of the following objectives:

A. Eliminate the need for further maintenance or monitoring of the closed unit or facility;

B. Ensure that there is no residual threat to public health or safety or the environment from possible release of hazardous materials or wastes from the unit or facility; and

C. Ensure that the removal, disposal, neutralization or reuse of the hazardous materials or wastes that were handled in or released from the unit or facility is accomplished in an appropriate manner. (Ord. 6824-NS § 3, 2004)