# Remedial measures: Cast iron and ductile iron pipelines.

**Citation:** 49 CFR 192.489  
**Type / status:** regulation / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2026-08-18  
**Published:** Not stated

(a) General graphitization. Each segment of cast iron or ductile iron pipe on which general graphitization is found to a degree where a fracture or any leakage might result, must be replaced.

(b) Localized graphitization. Each segment of cast iron or ductile iron pipe on which localized graphitizat

## Document text

(a) General graphitization. Each segment of cast iron or ductile iron pipe on which general graphitization is found to a degree where a fracture or any leakage might result, must be replaced.

(b) Localized graphitization. Each segment of cast iron or ductile iron pipe on which localized graphitization is found to a degree where any leakage might result, must be replaced or repaired, or sealed by internal sealing methods adequate to prevent or arrest any leakage.

## Provenance

- Official: Yes
- Source: <https://www.ecfr.gov/on/2026-08-18/title-49/section-192.489>
- Source ID: `ecfr`
- SHA-256: `729925bf7a7e0b55a0e958d1e0d7269a6137bc4cfd4ac75c7f7d6b90b9f60336`
- Retrieved: 2026-08-20T05:54:34.435Z
- Exported: 2026-08-23T02:22:17.414Z
- Document slug: `49-cfr-192-489`

### Source metadata

```json
{
  "cfrTitle": 49,
  "part": "192",
  "section": "192.489",
  "subpart": "Subpart I—Requirements for Corrosion Control",
  "corpusVersion": "2026-08-18",
  "jurisdiction": "US"
}
```