# External Corrosion Control: Examination of Buried Pipeline When Exposed \[49 CFR 192.459\]

**Citation:** LAC 43:XIII §2111  
**Type / status:** regulation / current  
**Agency:** Louisiana Office of Conservation  
**Effective:** Not stated  
**Published:** Not stated

A. Whenever an operator has knowledge that any portion of a buried pipeline is exposed, the exposed portion must be examined for evidence of external corrosion if the pipe is bare, or if the coating is deteriorated. If external corrosion requiring remedial action under §§2135 through 2141 is found, 

## Document text

A. Whenever an operator has knowledge that any portion of a buried pipeline is exposed, the exposed portion must be examined for evidence of external corrosion if the pipe is bare, or if the coating is deteriorated. If external corrosion requiring remedial action under §§2135 through 2141 is found, the operator shall investigate circumferentially and longitudinally beyond the exposed portion (by visual examination, indirect method, or both) to determine whether additional corrosion requiring remedial action exists in the vicinity of the exposed portion. [49 CFR 192.459]

AUTHORITY NOTE: Promulgated in accordance with R.S. 30:501 et seq.

HISTORICAL NOTE: Promulgated by the Department of Natural Resources, Office of Conservation, LR 9:235 (April 1983), amended LR 10:528 (July 1984), LR 27:1544 (September 2001), LR 30:1253 (June 2004).

## Provenance

- Official: Yes
- Source: <https://www.doa.la.gov/doa/osr/louisiana-administrative-code/>
- Source ID: `la-osr-lac`
- SHA-256: `f8ade3a0c1973bd6da3b6aa68badf7399f207b45ce4c73b7436abdd13e5f21c6`
- Retrieved: 2026-08-12T05:03:44.627Z
- Exported: 2026-08-24T06:04:42.483Z
- Document slug: `la-lac-43-xiii-2111`

### Source metadata

```json
{
  "jurisdiction": "US-LA",
  "part": "LAC 43:XIII",
  "section": "2111",
  "pipelineScope": "louisiana-pipeline-safety",
  "legalScope": "Louisiana Office of Conservation pipeline-safety rules governing covered transportation of gas, gas reporting, incorporated and modified federal gas-pipeline requirements, drug and alcohol testing, and LNG facilities.",
  "applicabilityCaveat": "Part XIII applies only within the scope of its certification or agreement, jurisdictional and facility limitations, and section-specific exclusions. Determine operator status, commodity, intrastate or interstate jurisdiction, coastal or Outer Continental Shelf location, gathering classification, LNG status, and federal preemption before applying a provision.",
  "incorporationCaveat": "Part XIII incorporates and modifies portions of 49 CFR Parts 40, 191, 192, 193, and 199. Bracketed federal citations identify the source provision, but Louisiana numbering and text control only within the state rule's scope; consult both current Louisiana and applicable federal text.",
  "historicalNote": "HISTORICAL NOTE: Promulgated by the Department of Natural Resources, Office of Conservation, LR 9:235 (April 1983), amended LR 10:528 (July 1984), LR 27:1544 (September 2001), LR 30:1253 (June 2004).",
  "authorityNote": "AUTHORITY NOTE: Promulgated in accordance with R.S. 30:501 et seq.",
  "reserved": false,
  "references": [
    {
      "citation": "49 CFR 192.459",
      "referenceType": "cfr",
      "url": "https://www.ecfr.gov/current/title-49/part-192"
    },
    {
      "citation": "LAC 43:XIII §2135",
      "referenceType": "louisiana-administrative-code",
      "url": "https://www.doa.la.gov/doa/osr/louisiana-administrative-code/"
    }
  ],
  "sourceEdition": "December 2025",
  "artifactPath": "data/sources/louisiana/louisiana-lac-title-43-parts-ix-xi-xiii.docx",
  "artifactSha256": "568d6b8b3cc244c67a0c93c040442fa53a1bbdafcb688b253cfa707d84d64259",
  "publicationStatus": "Current state-certified Louisiana Administrative Code compilation; section-level effective dates are not inferred from compilation or monthly history citations.",
  "rights": "The Louisiana Administrative Code is the state-certified publication. Preserve Office of State Register attribution and review Louisiana website terms, agency marks, incorporated standards, and third-party material before redistribution.",
  "region": "LA"
}
```