---
kind: "section"
citation: "49 C.F.R. § 192.481"
title: "49"
number: "192.481"
heading: "Atmospheric corrosion control: Monitoring."
url: "https://uscodex.org/cfr/49/192.481"
---

# §192.481. Atmospheric corrosion control: Monitoring.

- (a) Each operator must inspect and evaluate each pipeline or portion of the pipeline that is exposed to the atmosphere for evidence of atmospheric corrosion, as follows:
- (b) During inspections the operator must give particular attention to pipe at soil-to-air interfaces, under thermal insulation, under disbonded coatings, at pipe supports, in splash zones, at deck penetrations, and in spans over water.
- (c) If atmospheric corrosion is found during an inspection, the operator must provide protection against the corrosion as required by [§ 192.479](/cfr/49/192.479.md).
- (d) If atmospheric corrosion is found on a service line during the most recent inspection, then the next inspection of that pipeline or portion of pipeline must be within 3 calendar years, but with intervals not exceeding 39 months.

## Notes

### Amendments

[Amdt. 192-93, 68 FR 53901, Sept. 15, 2003, as amended at 86 FR 2240, Jan. 11, 2021]

### Source

Source: Amdt. 192-4, 36 FR 12302, June 30, 1971, unless otherwise noted.

### Authority

Authority: 30 U.S.C. 185(w)(3), 49 U.S.C. 5103, 60101 et. seq., and 49 CFR 1.97.

### Source

Source: 35 FR 13257, Aug. 19, 1970, unless otherwise noted.

### Amendments

[Amdt. 192-93, 68 FR 53901, Sept. 15, 2003, as amended at 86 FR 2240, Jan. 11, 2021]