Md. Code Regs. 26.10.04.04

Current through Register Vol. 51, No. 22, November 1, 2024

Section 26.10.04.04 - Repairs Allowed

A. An owner and an operator of a UST system shall conduct repairs that:

(1) Prevent spills, releases, and discharges due to structural failure or corrosion for the entire period in which a UST system is used to store regulated substances;

(2) Comply with the applicable code of practices developed by a nationally recognized association incorporated by reference under COMAR 26.10.01.03; and

(3) Meet all of the requirements of this chapter.

B. An owner and an operator of a UST system shall have repairs to the equipment and components of the UST system performed or supervised by a UST system technician certified in accordance with COMAR 26.10.06.

C. Repair Procedures. An owner and an operator of a UST system:

(1) Upon approval of the Department, shall have repairs conducted on a fiberglass-reinforced plastic or steel UST:

(a) By an authorized representative of the UST manufacturer; or

(b) In accordance with a code of practice developed by a nationally recognized association incorporated by reference under COMAR 26.10.01.03;

(2) May not repair a UST by installing an internal liner;

(3) Shall replace a metal pipe that has sections or fittings in which corrosion or other damage has resulted in:

(a) A spill, release, or discharge of a regulated substance; or

(b) An imminent threat of a spill, release, or discharge of a regulated substance, as determined by the Department;

(4) Shall repair non-corrodible pipes and fittings in accordance with the manufacturer's specifications; and

(5) Shall repair a containment sump with materials rated by the material manufacturer for the regulated substance stored in the UST system.

D. Testing of Repaired UST Systems. An owner and an operator of a repaired UST system shall:

(1) Before placing the UST system back into service, conduct a precision tightness test in accordance with COMAR 26.10.03.05 to test the repaired UST and piping;

(2) Before placing the UST system back into service, test secondary containment areas of the UST, piping, and containment sumps in accordance with:

(a) The manufacturer's instructions;

(b) A code of practice developed by a nationally recognized association incorporated by reference under COMAR 26.10.01.03; or

(c) Requirements established by the Department; and

(3) Within 6 months of completing a repair on a cathodically protected UST system, test the cathodic protection system:

(a) To ensure the cathodic protection system is operating properly; and

(b) In accordance with Regulation .02B of this chapter.

E. Recordkeeping. In accordance with Regulation .05 of this chapter, an owner and an operator of a UST system shall maintain records of each repair conducted on the UST system until the UST system is permanently closed or undergoes a change-in-service pursuant to COMAR 26.10.10.02.

Md. Code Regs. 26.10.04.04

Regulation .04 amended effective January 12, 2009 (36:1 Md. R. 25); adopted effective 49:12 Md. R. 642, eff. 6/13/2022