# U.S. DOT/RSPA - Notice of Intent - Areas Unusually Sensitive to Environmental Damage

**Citation:** PHMSA-RSPA-1999-5455  
**Type / status:** rulemaking / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** Not stated

Subject: Pipeline Safety: Areas Unusually Sensitive to Environmental Damage

## Document text

Subject: Pipeline Safety: Areas Unusually Sensitive to Environmental Damage

## Provenance

- Official: Yes
- Source: <https://www.regulations.gov/docket/PHMSA-RSPA-1999-5455>
- Source ID: `regulations-gov`
- SHA-256: `0d698869f364b161b892ff974e0b00aa44611e795ba8ee6c8e3cb629574c46a2`
- Retrieved: 2026-08-20T02:11:23.714Z
- Exported: 2026-08-24T20:48:08.408Z
- Document slug: `regulations-gov-phmsa-rspa-1999-5455`

### Source metadata

```json
{
  "docketId": "PHMSA-RSPA-1999-5455",
  "docketType": "Nonrulemaking",
  "agencyId": "PHMSA",
  "lastModifiedDate": "2021-02-10T01:40:25Z",
  "collectionQuery": "PHMSA pipeline",
  "metadataOnly": true,
  "jurisdiction": "US"
}
```