# Transportation of Liquids by Pipeline: Highly Volatile Liquids (PS-56)

**Citation:** PHMSA-2015-0030  
**Type / status:** rulemaking / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** Not stated

Transportation of Liquids by Pipeline : Highly Volatile Liquids (PS-56)

## Document text

Transportation of Liquids by Pipeline : Highly Volatile Liquids (PS-56)

## Provenance

- Official: Yes
- Source: <https://www.regulations.gov/docket/PHMSA-2015-0030>
- Source ID: `regulations-gov`
- SHA-256: `fc3c6dbdacec88044c64181f886228ffaf32a62f5c278e4ad89cd17048b9f409`
- Retrieved: 2026-08-20T02:11:23.714Z
- Exported: 2026-08-23T00:30:46.248Z
- Document slug: `regulations-gov-phmsa-2015-0030`

### Source metadata

```json
{
  "docketId": "PHMSA-2015-0030",
  "docketType": "Rulemaking",
  "agencyId": "PHMSA",
  "lastModifiedDate": "2015-02-02T15:23:18Z",
  "collectionQuery": "PHMSA pipeline",
  "metadataOnly": true,
  "jurisdiction": "US"
}
```