UST system owners and operators must ensure that operation and maintenance plans are developed and maintained, as applicable, in accordance with the requirements of this section.

(1) Applicability. If the department determines the owners and operators of an UST system are not in compliance with the requirements of this chapter, the department may require the owners and operators to develop an operation and maintenance plan for each UST system at the UST facility where the noncompliant system is located. The department may require the development of such a plan in place of or in addition to any retraining of Class A or Class B operators required under WAC 173-360A-0540.

(2) Development. Operation and maintenance plans for UST systems must be developed and a copy submitted to the department within sixty days of receipt of the department's determination of noncompliance.

(3) Updates. The operation and maintenance plan for an UST system must be updated within sixty days of any modification of the system that changes how the system must be operated and maintained under this chapter.

(4) Content. At a minimum, the operation and maintenance plan for an UST system must include the actions required under this chapter to operate and maintain the system, including as applicable:

(a) Release detection;

(b) Spill and overfill prevention;

(c) Corrosion protection;

(d) Internal lining; and

(e) Containment sumps.

(5) Recordkeeping. Operation and maintenance plans for UST systems must be maintained until the systems are permanently closed or undergo a change-in-service.