# Prevention of accidental ignition.

**Citation:** 49 CFR 192.751  
**Type / status:** regulation / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2026-08-18  
**Published:** Not stated

Each operator shall take steps to minimize the danger of accidental ignition of gas in any structure or area where the presence of gas constitutes a hazard of fire or explosion, including the following:

(a) When a hazardous amount of gas is being vented into open air, each potential source of ignit

## Document text

Each operator shall take steps to minimize the danger of accidental ignition of gas in any structure or area where the presence of gas constitutes a hazard of fire or explosion, including the following:

(a) When a hazardous amount of gas is being vented into open air, each potential source of ignition must be removed from the area and a fire extinguisher must be provided.

(b) Gas or electric welding or cutting may not be performed on pipe or on pipe components that contain a combustible mixture of gas and air in the area of work.

(c) Post warning signs, where appropriate.

## Provenance

- Official: Yes
- Source: <https://www.ecfr.gov/on/2026-08-18/title-49/section-192.751>
- Source ID: `ecfr`
- SHA-256: `7241ac3d6ee0d6dbd14422c4d625169dcf783e8f7fdc2c06b8823f2f1265ad91`
- Retrieved: 2026-08-20T05:54:34.435Z
- Exported: 2026-08-25T00:32:01.045Z
- Document slug: `49-cfr-192-751`

### Source metadata

```json
{
  "cfrTitle": 49,
  "part": "192",
  "section": "192.751",
  "subpart": "Subpart M—Maintenance",
  "corpusVersion": "2026-08-18",
  "jurisdiction": "US"
}
```