Current through September 2, 2024
Section 20.03.02.111 - COMPLETION OF PERMANENT CLOSURE01.Implementation of a Permanent Closure Plan. Unless otherwise specified in the approved permanent closure plan, an operator must begin implementation of the approved permanent closure plan as follows: a. Within two (2) years of the final addition of new cyanide to the ore process circuit; orb. If the product recovery phase of the cyanidation facility has been suspended for a period of more than two (2) years.02.Submittal of a Permanent Closure Report. The operator must submit a permanent closure report to the Department for review and approval. A permanent closure report must be of sufficient detail for the directors of the Department and DEQ to issue a determination that permanent closure, as defined by Subsection 010.15 of these rules, has been achieved. The permanent closure report shall address:a. The effectiveness of material stabilization;b. The effectiveness of the water management plan and the adequacy of the monitoring plan;c. The final configuration of the cyanidation facility and its operational/closure status;d. The post-closure operation, maintenance, and monitoring requirements, and the estimated reasonable cost to complete those activities;e. The operational/closure status of any land application site of the cyanidation facilities;f. Source control systems that have been constructed or implemented to eliminate, mitigate, or contain short- and long-term discharge of pollutants from the cyanidation facility, unless otherwise permitted;g. The short- and long-term water quality trends in surface and ground water through the statistical analysis of the existing monitoring data pursuant to the ore-processing by cyanidation permit;h. Ownership and responsibility for the site upon permanent closure during the defined post-closure period;i. The future beneficial uses of the land, surface and ground waters in and adjacent to the closed cyanidation facilities; andj. How the permanent closure of the cyanidation facility complies with the Resource Conservation and Recovery Act, Hazardous Waste Management Act, Solid Waste Management Act, and appropriate rules.03.Review of a Permanent Closure Report. The Department will immediately forward a copy of the permanent closure report to DEQ for their review and comment.Idaho Admin. Code r. 20.03.02.111