D.C. Mun. Regs. tit. 20, r. 20-5902

Current through Register Vol. 71, No. 43, October 25, 2024
Rule 20-5902 - REPAIR OR REPLACEMENT OF UST SYSTEMS
5902.1

Each owner or operator of an UST shall ensure that repairs are made using the proper materials and techniques, and that repairs will prevent releases due to structural failure or corrosion as long as the UST is used to store regulated substances.

5902.2

Except as stated in §§ 5902.3 and 5902.4, in complying with the requirements of this section, each owner or operator shall follow one of the following codes of practice, or an alternative industry standard or code of practice approved by the Department in accordance with § 5506:

(a) National Fire Protection Association Standard 30, "Flammable and Combustible Liquids Code";
(b) American Petroleum Institute Recommended Practice RP 2200, "Repairing Crude Oil, Liquified Petroleum Gas, and Product Pipelines";
(c) American Petroleum Institute Recommended Practice RP 1631, "Interior Lining and Periodic Inspection of Underground Storage Tanks";
(d) National Fire Protection Association Standard 326, "Standard for the Safeguarding of Tanks and Containers for Entry, Cleaning, or Repair";
(e) National Leak Prevention Association Standard 631, Chapter A "Entry, Cleaning, Interior Inspection, Repair, and Lining of Underground Storage Tanks";
(f) Steel Tank Institute Recommended Practice R972, "Recommended Practice for the Addition of Supplemental Anodes to STI-P3® Tanks";
(g) NACE International Standard Practice SP 0285, "External Control of Underground Storage Tank Systems by Cathodic Protection"; or
(h) Fiberglass Tank and Pipe Institute Recommended Practice T-95-02, "Remanufacturing of Fiberglass Reinforced Plastic (FRP) Underground Storage Tanks."
5902.3

Repairs to fiberglass-reinforced plastic tanks may be made by the manufacturer's authorized representatives or in accordance with § 5902.2.

5902.4

Repairs to or replacement of internal tank linings may be made by the manufacturer's authorized representatives or in accordance with § 5902.2.

5902.5

Metal pipe sections and fittings from which a release of a regulated substance has occurred as a result of corrosion or other damage, or that have incurred corrosion or other damage sufficient to constitute a threat of release, shall be replaced in accordance with § 5704.

5902.6

Non-corrodible or fiberglass pipes and fittings, or flexible pipes, from which a release of a regulated substance has occurred as a result of damage, or that have incurred damage sufficient to constitute a threat of a release, shall be replaced in accordance with § 5704 and the manufacturer's specifications.

5902.7

Within thirty (30) days of completing a repair to secondary containment areas of the tanks and piping used for interstitial monitoring, or a repair to containment sumps used for interstitial monitoring of piping, and before using the tank to store regulated substances, the owner or operator shall have the secondary containment tested for liquid-tightness according to the manufacturer's instructions, one of the following codes of practice, or an alternative industry standard or code of practice approved by the Department in accordance with § 5506:

(a) Steel Tank Institute Recommended Practice R012, "Recommended Practice for Interstitial Tightness Testing of Existing Underground Double Wall Steel Tanks";
(b) Fiberglass Tank and Pipe Institute Protocol, "Field Test Protocol for Testing the Annular Space of Installed Underground Fiberglass Double and Triple-Wall Tanks with Dry Annular Space"; or
(c) Petroleum Equipment Institute Recommended Practice RP1200, "Recommended Practices for the Testing and Verification of Spill, Overfill, Leak Detection and Secondary Containment Equipment at UST Facilities."
5902.8

Within thirty (30) days of completing a repair to a tank or piping, other than a repair specified in § 5902.7, and before using the tank to store regulated substances, the owner or operator shall have the tank or piping tested for liquid-tightness in accordance with § 6007, unless one or more of the following actions have been taken:

(a) The repaired tank has been internally inspected in accordance with American Petroleum Institute Recommended Practice 1631, "Interior Lining and Periodic Inspection of Underground Storage Tanks," or an alternative industry standard or code of practice approved by the Department in accordance with § 5506;
(b) The repaired portion of the UST system is monitored every thirty (30) days for releases in accordance with a method specified in §§ 6008 through 6013; or
(c) Another test method is used that is determined by the Department to be no less protective of human health and the environment than the other provisions of this sub section.
5902.9

Within six (6) months following the repair of any cathodically protected UST system, the cathodic protection system shall be tested in accordance with the applicable provisions of §§ 5901.3 through 5901.5 to ensure that it is operating properly.

5902.10

Each owner or operator shall maintain records of each repair for 10 years, or until the UST system is permanently closed, whichever is longer, in accordance with § 5602.4.

5902.11

Each owner or operator shall ensure that each UST system is repaired by, or that repairs are supervised by, an UST System Technician certified by the Department in accordance with Chapter 65.

5902.12

After the completion of any replacement or repair that results in a change in the information on the UST facility notification form, the owner or operator shall ensure that the certified UST System Technician completes the certification of compliance provided on the UST facility notification form required by § 5600.

5902.13

A repair that involves removing and replacing fifty percent (50%) or more of the piping, excluding connectors, connected to a single underground tank is considered to be a replacement and shall meet the new piping installation requirements in § 5704.

5902.14

Within thirty (30) days of any repair to spill or overfill prevention equipment, the repaired equipment shall be tested or inspected, as appropriate, in accordance with § 5900 to ensure it is operating properly.

D.C. Mun. Regs. tit. 20, r. 20-5902

Final Rulemaking published at 40 DCR 7835, 7864 (November 12, 1993); as amended by Final Rulemaking published at 46 DCR 7699 (October 1, 1999); as amended by Final Rulemaking published at 56 DCR 6678 (August 21, 2009); amended by Final Rulemaking published at 67 DCR 1778 (2/21/2020)
Section heading amended by Final Rulemaking published at 56 DCR 6678 (August 21, 2009)
Authority: District of Columbia Underground Storage Tank Management Act of 1990, effective March 8, 1991, D.C. Law 8-242, D.C. Official Code, § 8-113.01 et seq. (2008 Repl.), as amended, and Mayor's Order 2006-61, dated June 14, 2006