Wisconsin Administrative Code
Department of Natural Resources
NR 600-699 - Environmental Protection - Hazardous Waste Management
Chapter NR 665 - Interim License Hazardous Waste Treatment, Storage And Disposal Facility Standards
Subchapter G - Closure and Long-Term Care
Section NR 665.0120 - Certification of completion of long-term care

No later than 60 days after the completion of the established long-term care period for each hazardous waste disposal unit, the owner or operator shall submit to the department, by registered mail, a certification that the long-term care period for the hazardous waste disposal unit was performed in accordance with the specifications in the approved long-term care plan. The owner or operator and a qualified professional engineer shall sign the certification. Documentation supporting the professional engineer's certification shall be furnished to the department upon request until the department releases the owner or operator from the financial assurance requirements for long-term care under s. NR 665.0145(10).