Mississippi Department of Environmental Quality
MDEQ ⟩ Water ⟩ Groundwater Assessment and Remediation ⟩ Underground Storage Tanks ⟩ Contractor Certification ⟩ Closure Certification

Certification to Permanently Close USTs

Requirements for initial certification:
  • One eight-hour MDEQ approved closure certification course.
  • Make a score of 75 or greater on the MDEQ closure test.
  • Provide proof of financial responsibility if you are removing tanks that are not owned by you or your employer.*
  • Provide a letter from your employer (unless you own your company) on company letterhead stationary stating that you are a full-time employee of the company.
  • Provide proof of two years’ experience under a licensed UST Installation Contractor.**

* You must provide proof of financial responsibility in the form of insurance.  Your company or employer’s company must have at least $50,000 of contractor’s general liability insurance.  You must submit to this office a Certificate of Insurance showing that your company has at least $50,000 of contractor’s general liability insurance.  The certificate must have the Mississippi Department of Environmental Quality (MDEQ) as the certificate holder and include a 30-day cancellation notice.

** You must provide proof of two years’ experience by letter of employer, W-2, or MDEQ approved equivalent.

Closure Certification
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