---
kind: "section"
citation: "40 C.F.R. § 280.36"
title: "40"
number: "280.36"
heading: "Periodic operation and maintenance walkthrough inspections."
url: "https://uscodex.org/cfr/40/280.36"
---

# §280.36. Periodic operation and maintenance walkthrough inspections.

- (a) To properly operate and maintain UST systems, not later than October 13, 2018 owners and operators must meet one of the following:
  - (1) Conduct a walkthrough inspection that, at a minimum, checks the following equipment as specified below:
    - (i) **Every 30 days (Exception—** spill prevention equipment at UST systems receiving deliveries at intervals greater than every 30 days may be checked prior to each delivery):
      - (A) **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; and
      - (B) **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
    - (ii) **Annually—**
      - (A) **Containment 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
      - (B) **Hand held release detection equipment—** check devices such as tank gauge sticks or groundwater bailers for operability and serviceability;
  - (2) 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 [paragraph (a)(1)](#a-1) of this section; or
  - (3) Conduct operation and maintenance walkthrough inspections developed by the implementing agency that checks equipment comparable to [paragraph (a)(1)](#a-1) of this section.
- (b) Owners and operators must maintain records (in accordance with [§ 280.34](/cfr/40/280.34.md)) of operation and maintenance walkthrough 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 if spill prevention equipment is checked less frequently than every 30 days due to infrequent deliveries.

## Notes

### Authority

Authority: 42 U.S.C. 6912, 6991, 6991(a), 6991(b), 6991(c), 6991(d), 6991(e), 6991(f), 6991(g), 6991(h), 6991(i).

### Source

Source: 80 FR 41623, July 15, 2015, unless otherwise noted.