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)
Rule 11-5-2.7 - Out-of-Service UST Systems and Closure
Section 11-5-2.7-280.72 - Assessing the site at closure or change-in-service

(a) Before permanent closure or a change-in-service is completed, owners and operators must measure for the presence of a release in accordance with "Guidelines for the Permanent Closure of Petroleum Underground Storage Tank Systems" and any applicable industry code or recommended practice listed in § 280.13.

(b) If contaminated soils, contaminated ground water, or free product as a liquid or vapor is discovered under paragraph (a) of this rule, or by any other manner, owners and operators must begin corrective action in accordance with Rule 2.6.