UST System Closures

Temporary Closure/Extended-Out-Of-Use (EOU)

Temporary Closure is an option that tank owners may choose when they decide not to use the tanks for a period of time. The proper temporary closure is referred to as Extended-Out-Of-Use (EOU). In order for a facility to remain in compliance while out-of-use, the following requirements must be met:

UST Current Certified Contractors

Below is a link to the current list of Class I certified contractors and Class II certified contractors. The certification requirements can be found here. The requirements of a Class I certified contractors include, but are not limited to, having a licensed professional engineer and/or professional geologist by the State of South Carolina on staff, plus the following insurance requirements:

Site Rehabilitation Contractor Certification Application

The information on the application is used to determine the qualifications of the application to perform remediation activities for the Division as either a Class I contractor or a Class II contractor.

Application Form (pdf)

W-9 Form

The W-9 form provides the applicable identification information that is used to process payments for performance for the Division that includes the mailing address and taxpayer identification number.

Site Checks

A site check involves sampling soil, groundwater, or a combination of both, from an area where a release may have occurred. When the Division suspects that a release may have occurred from any portion of a UST system, a site check will be required. Releases most often occur from dispensers or spill buckets.

Secondary Containment

(applies to all systems installed after May 23, 2008)

Examples of secondary containment:

  • Double-wall tank
  • Double-wall piping
  • Under-dispenser containment (dispenser sump )
  • Submersible turbine pump sump

Instances where secondary containment is now required:

Operator Training

There are several ways to obtain the required training for Class A/B Operators:

  1. Complete the Division's Operator Training Online Course.
  2. Complete a SCDES-approved course conducted by a third-party provider.
  3. SCDES may provide in-person classroom training, if the need arises and resources are available.

Contact

UST Regulatory & Compliance Section, 803-898-0589

Operator Training FAQs

Marinas - Special Requirements

A marina is defined as a land-based fueling facility that dispenses fuel over or in close proximity to a waterway. South Carolina currently has 71 marinas that are regulated by the Underground Storage Tank (UST) Management Division (44 saltwater and 27 freshwater).

Because marinas are special facilities that have concerns that differ from "normal" gas stations, there are certain points that should be considered any time a marina is installed or updated.

Recommended items: