# Scope.

- **operation:** document
- **citation:** 49 CFR 192.451
- **title:** Scope.
- **source type:** regulation
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** current
- **official:** true
- **published on:** Not available
- **effective on:** 2026-08-18
- **summary:** (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]
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/49-cfr-192-451.json
- **markdown:** https://regulus.evalyn.ai/document/49-cfr-192-451.md
- **app url:** https://regulus.evalyn.ai/document/49-cfr-192-451
- **source url:** https://www.ecfr.gov/on/2026-08-18/title-49/section-192.451
**body:**

(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]
- **truncated:** false
- **body characters:** 298