Wisconsin Administrative Code
Department of Natural Resources
NR 600-699 - Environmental Protection - Hazardous Waste Management
Chapter NR 667 - Standards For Owners And Operators Of Hazardous Waste Facilities Operating Under A Standardized License
Subchapter H - Financial Requirements
Section NR 667.0142 - Cost estimate for closure
Current through August 26, 2024
(1) The owner or operator shall have at the facility a detailed written estimate, in current dollars, of the cost of closing the facility according to the requirements in ss. NR 667.0111 to 667.0115 and applicable closure requirements in ss. NR 667.0176, 667.0201, and 667.1108.
(2) During the active life of the facility, the owner or operator shall adjust the closure cost estimate for inflation within 60 days prior to the anniversary date of the establishment of the financial instruments used to comply with s. NR 667.0143. For owners and operators using the financial test or corporate guarantee, the closure cost estimate shall be updated for inflation within 30 days after the close of the firm's fiscal year and before submission of updated information to the department as specified in s. NR 667.0143(6) (b) 3. The adjustment may be made by recalculating the maximum costs of closure in current dollars or by using an inflation factor derived from the most recent Implicit Price Deflator for Gross Domestic Product published by the U.S. department of commerce in its Survey of Current Business, as specified in pars. (a) and (b). The inflation factor is the result of dividing the latest published annual Deflator by the Deflator for the previous year.
(3) During the active life of the facility, the owner or operator shall revise the closure cost estimate no later than 30 days after the department has approved the request to modify the closure plan, if the change in the closure plan increases the cost of closure. The revised closure cost estimate shall be adjusted for inflation as specified in sub. (2).
(4) The owner or operator shall keep the following at the facility during the operating life of the facility: The latest closure cost estimate prepared according to subs. (1) and (3) and, when this estimate has been adjusted according to sub. (2), the latest adjusted closure cost estimate.