5702. NEW HAZARDOUS SUBSTANCE UST SYSTEMS

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; Prevent the release of regulated substances to the environment at any time during the operational life of the UST; and 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 SOURCE: Final Rulemaking published at 40 DCR 7835 (November 12, 1993); as amended by Final Rulemaking published at 46 DCR 7699 (October 1, 1999); as amended by Final Rulemaking published at 67 DCR 1778 (February 21, 2020). District of Columbia Municipal Regulations Environment 20 DCMR § 5702