# ANR PIPELINE CO — Warning Letter

**Citation:** CPF 320051012  
**Type / status:** enforcement / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2005-03-18

CLOSED warning letter citing 192.706(a), 192.731(c).

## Document text

Warning Letter involving ANR PIPELINE CO. PHMSA's enforcement data identifies the cited regulations as 192,  192.706(a),  192.731(c). The case was opened on 2005-03-18 and is reported as closed as of 2005-03-18. Open the official case record for notices, responses, orders, and the latest status.

PHMSA lists no public case documents for this record.

## Provenance

- Official: Yes
- Source: <https://primis.phmsa.dot.gov/enforcement-data/case/320051012>
- Source ID: `phmsa-enforcement`
- SHA-256: `e72de64f6e778ca0e6b5cb7d902a41a91541d34530826000b680bad075deea8e`
- Retrieved: 2026-08-20T04:44:44.458Z
- Exported: 2026-08-23T05:36:17.137Z
- Document slug: `phmsa-enforcement-320051012`

### Source metadata

```json
{
  "cpf": "320051012",
  "operator": "ANR PIPELINE CO",
  "region": "Central",
  "pipelineType": "GAS INTERSTATE ONSHORE",
  "caseStatus": "CLOSED",
  "citedSections": [
    "192.706(a)",
    "192.731(c)"
  ],
  "dataAsOf": "08/04/2026 12PM",
  "caseDataAsOf": "2026-08-04",
  "attachmentCount": 0,
  "attachments": [],
  "extractedAgencyDocumentCount": 0,
  "attachmentPolicy": "Official attachment links are retained. Agency-issued documents may also include a verified local PDF and page-level text representation.",
  "jurisdiction": "US",
  "operatorName": "ANR PIPELINE CO"
}
```