Regulation .04 Repairs Allowed.
Regulation .04 Repairs Allowed.LinkCopy Citation
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.