OAR 340-150-0315: Periodic operation and maintenance walkthrough inspections

(1) No later than October 1, 2020, owners and permittees must meet one of the following: (a) Conduct walkthrough inspections: (A) Every 30 days, at a minimum, check the following equipment: (i) Spill prevention equipment: Visually check for damage, remove liquid or debris, check for and remove obstructions in the fill pipe, check the fill cap to make sure it is securely on the fill pipe, and, for double walled spill prevention equipment with interstitial monitoring, check for a leak in the interstitial area. (If the UST system is receiving deliveries at intervals greater than every 30 days, the permittee must conduct an inspection prior to each delivery; and (ii) Release detection equipment: Check to make sure the release detection equipment is operating with no alarms or other unusual operating conditions present; and ensure records of release detection testing are reviewed and current; and (B) Annually: (i) Sumps: Visually check for damage, leaks to the containment area, or releases to the environment; remove liquid (in contained sumps) or debris, and, for double walled sumps with interstitial monitoring, check for a leak in the interstitial area; and (ii) Hand held release detection equipment: Check devices such as tank gauge sticks or groundwater bailers for operability and serviceability; (b) Conduct operation and maintenance walkthrough inspections according to a standard code of practice developed by a nationally recognized association or independent testing laboratory that checks equipment comparable to section (1) of this rule; or (c) Conduct operation and maintenance walkthrough inspections developed by DEQ that checks equipment comparable to section (1) of this rule; or (d) An owner and permittee may use the practices described in the Petroleum Equipment Institute Recommended Practice RP 900, “Recommended Practices for the Inspection and Maintenance of UST Systems.” (2) Owners and permittees must maintain records of operation and maintenance inspections for one year. Records must include a list of each area checked, whether each area checked was acceptable or needed action taken, a description of actions taken to correct an issue, and delivery records for spill prevention equipment checked less frequently than every 30 days. (3) Records must be available for review by DEQ upon request. [Publications: Publications referenced are available from DEQ or from the publisher]