Mississippi Administrative Code
Title 11 - Mississippi Department of Environmental Quality
Part 5 - Underground Storage Tank Regulations
Chapter 2 - Mississippi Commission on Environmental Quality Underground Storage Tanks Regulations Technical Standards and Corrective Action Requirements for Owners and Operators of Underground Storage Tanks (UST) (Adopted March 22, 1989; Amended August 25, 2011, Last Amended August 23, 2018)
Appendix 11-5-2-280.4 - GUIDELINES FOR THE PERMANENT CLOSURE OF PETROLEUM UNDERGROUND STORAGE TANK SYSTEMS
Section 11-5-2-280.4-2 - PAPERWORK AND REPORTING REQUIREMENTS
Section 11-5-2-280.4-2-2.3 - Underground Storage Tank System Closure Report
The owner of the UST system or his representative must submit the "Underground Storage Tank System Closure Report" form (Appendix D) and all supporting documentation within 60 days of completing the UST closure. The form must be signed by the owner and the certified contractor to be valid. Supporting documentation that must be included with the submittal of the UST Closure Report form includes; a) copies of all analytical results of any and all samples; b) valid sample chain-of-custody; and c) site drawing. In addition, if the closure involves the disposal of contaminated soils and/or groundwater, a copy of the waste manifests must be included in the submittal. Failure to submit all of the documentation necessary to complete the closure will result in the return of the UST Closure Report form to the tank owner.
The site drawing must contain the following:
general site layout showing tank locations and the
substance(s) stored
dispenser locations
depth to groundwater (if encountered)
dimensions of the excavation
sample locations (sample identification on the drawing
must match the labeling on each of the sample containers)
depth at which each sample was collected.
