# Warning devices.

**Citation:** 49 CFR 193.2435  
**Type / status:** regulation / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 1999-10-01  
**Published:** Not stated

Each operator shall install warning devices in the control center to warn of hazardous conditions detected by all sensing devices required by this part. Warnings must be given both audibly and visibly and must be designed to gain the attention of personnel. Warnings must indicate the location and na

## Document text

Each operator shall install warning devices in the control center to warn of hazardous conditions detected by all sensing devices required by this part. Warnings must be given both audibly and visibly and must be designed to gain the attention of personnel. Warnings must indicate the location and nature of the existing or potential hazard.

## Provenance

- Official: Yes
- Source: <https://www.govinfo.gov/app/details/CFR-1999-title49-vol3/CFR-1999-title49-vol3-sec193-2435>
- Source ID: `govinfo-cfr`
- SHA-256: `97b11ca9fc7952a8950f51010da42fc9fad2914de177ccacb58a73e31b1a18d7`
- Retrieved: 2026-08-12T01:41:23.231Z
- Exported: 2026-08-22T18:57:22.007Z
- Document slug: `49-cfr-193-2435`

### Source metadata

```json
{
  "part": "193",
  "section": "193.2435",
  "subpart": "Subpart E—Equipment",
  "annualEdition": 1999,
  "revisedAsOf": "1999-10-01",
  "govInfoPackage": "CFR-1999-title49-vol3",
  "legalStatus": "official-annual-cfr-edition",
  "effectiveDateNote": null,
  "historicalAnchor": true,
  "historicalAnchorNote": "The section appears in an official annual CFR edition but is absent from the connected current eCFR corpus.",
  "jurisdiction": "US"
}
```