D.C. Mun. Regs. tit. 20, r. 20-5702

Current through Register Vol. 72, No. 2, January 10, 2025

Rule 20-5702 - NEW HAZARDOUS SUBSTANCE UST SYSTEMS

5702.1

Each new hazardous substance UST 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 § 5702.4.

5702.2

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

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

(b) The impressed current cathodic protection systems shall be designed to allow determination of current operating status as required by § 5901.5.

5702.3

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

5702.4

Double-walled tanks shall be designed, constructed, and installed in a manner that will:

(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;

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

(d) Check for evidence of a release at least every thirty (30) days.

5702.5

The codes of practice listed in §§ 5701.10(a) and (b) may be used to comply with § 5702.1

D.C. Mun. Regs. tit. 20, r. 20-5702

Final Rulemaking published at 40 DCR 7835, 7854 (November 12, 1993); as amended by Final Rulemaking published at 46 DCR 7699 (October 1, 1999); amended by Final Rulemaking published at 67 DCR 1778 (2/21/2020)