# Scope.

**Citation:** 49 CFR 192.451  
**Type / status:** regulation / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2026-08-18  
**Published:** Not stated

(a) This subpart prescribes minimum requirements for the protection of metallic pipelines from external, internal, and atmospheric corrosion.

(b) [Reserved]

[Amdt. 192-4, 36 FR 12302, June 30, 1971, as amended by Amdt. 192-27, 41 FR 34606, Aug. 16, 1976; Amdt. 192-33, 43 FR 39389, Sept. 5, 1978]

## Document text

(a) This subpart prescribes minimum requirements for the protection of metallic pipelines from external, internal, and atmospheric corrosion.

(b) [Reserved]

[Amdt. 192-4, 36 FR 12302, June 30, 1971, as amended by Amdt. 192-27, 41 FR 34606, Aug. 16, 1976; Amdt. 192-33, 43 FR 39389, Sept. 5, 1978]

## Provenance

- Official: Yes
- Source: <https://www.ecfr.gov/on/2026-08-18/title-49/section-192.451>
- Source ID: `ecfr`
- SHA-256: `6171f075300923308ebaa6902d19ddfc9e27b204d9655010a3e15ac3f9b01a5c`
- Retrieved: 2026-08-20T05:54:34.435Z
- Exported: 2026-08-23T08:53:31.711Z
- Document slug: `49-cfr-192-451`

### Source metadata

```json
{
  "cfrTitle": 49,
  "part": "192",
  "section": "192.451",
  "subpart": "Subpart I—Requirements for Corrosion Control",
  "corpusVersion": "2026-08-18",
  "jurisdiction": "US"
}
```