Sec. 26.10.04.04. Repairs Allowed

A. Owners and operators of UST systems shall ensure that repairs will prevent releases due to structural failure or corrosion as long as the UST system is used to store regulated substances. The repairs shall meet the requirements of this chapter.

B. Repairs to UST systems shall be properly conducted in accordance with the standards incorporated in COMAR 26.10.02.06.

C. Repairs to fiberglass-reinforced plastic tanks shall be made in accordance with the manufacturer's specifications. All repairs shall be conducted under the supervision of a certified underground storage system technician certified under COMAR 26.10.06.

D. A tank may not be repaired by installing an internal liner unless written approval is received from the Department.

E. Metal pipes that have sections or fittings that have released a regulated substance as a result of corrosion or other damage shall be replaced. Fiberglass pipes and fittings shall be repaired in accordance with the manufacturer's specifications.

F. Repaired tanks and piping shall be tested for tightness with a precision test before being placed back into service.

G. Within 6 months following the repair of any cathodically protected UST system, the cathodic protection system shall be tested to ensure that it is operating properly.

H. UST system owners and operators shall maintain records of each repair for the remaining operating life of the UST system that demonstrate compliance with the requirements of this regulation.