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 11-5-2-280.4-4.2 - Removal of a Single Tank
Section 11-5-2-280.4-4.2.1 - Removal of a Single Tank - No Sidewall Contamination Apparent
Universal Citation: MS Code of Rules 11-5-2-280.4-4.2.1
Current through September 24, 2024
If no contamination is apparent in the sidewalls, only floor sampling is required. Two samples must be collected from the floor of the excavation at a depth of one foot into the native soil. The samples must be collected from the areas of the floor that appear to be the most contaminated. However, you should also take into consideration the entire area of the excavation so that both of the floor samples are not collected from the same general area. If no area of the floor appears to be obviously contaminated, or the floor appears to be uniformly contaminated, the samples must be collected from each end of the excavation as shown in Figure 1.
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