Section 20-5702. NEW HAZARDOUS SUBSTANCE UST SYSTEMS

 

5702.1Except as provided in § 5700.10, each new hazardous substance underground storage tank shall be:

 

(a)Constructed of fiberglass-reinforced plastic, steel-fiberglass-reinforced plastic composite, or steel;

 

(b)If constructed of steel, cathodically protected in accordance with the requirements of § 5702.2 and;

 

(c)Of three hundred sixty degree (360) double wall construction as set forth in § 5702.6.

 

5702.2Each steel tank shall be cathodically protected by being coated with a suitable dielectric material, and in addition:

 

(a)Field-installed cathodic protection systems shall be designed by a corrosion expert; and

 

(b)Impressed current cathodic protection systems shall be designed to allow determination of current operating status as required by § 5901.6.

 

5702.3Each cathodic protection system shall be operated and maintained in accordance with § 5901.

 

5702.4Double-walled tanks shall be designed, constructed, and installed to do the following:

 

(a)Contain a release from any portion of the inner tank within the outer wall until detected and removed;

 

(b)Detect the failure of the inner or outer wall; and

 

(c)Prevent the release of regulated substances to the environment at any time during the operational life of the UST system.

 

source

Final Rulemaking published at 40 DCR 7835, 7854 (November 12, 1993); as amended by Final Rulemaking published at 46 DCR 7699 (October 1, 1999).