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 11-5-2-280.4-4 - SAMPLING LOCATIONS FOR TANKS
Section 11-5-2-280.4-4.4 - Tank Closure in Place or Change in Service
Section 11-5-2-280.4-4.4.3 - Closure in Place of Two or More Tanks Within a Common Tank Bed

Current through September 24, 2024

For closure in place of two or more tanks within a common tank bed or a single tank that is greater than 25 feet in length, soil borings must be conducted at intervals of every 25 feet along the perimeter of the tank bed as shown in Figure 7. In order to determine the appropriate sampling depth and number of samples to collect, conduct field screening of the soil column following the guidance in Section 4.4.4.

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