# ANR PIPELINE CO — Warning Letter

**Citation:** CPF 320091001W  
**Type / status:** enforcement / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2009-01-07

CLOSED warning letter citing 192.481(a), 192.745(a).

## Document text

Warning Letter involving ANR PIPELINE CO. PHMSA's enforcement data identifies the cited regulations as 192.481(a),  192.745(a). The case was opened on 2009-01-07 and is reported as closed as of 2009-01-07. Open the official case record for notices, responses, orders, and the latest status.

Official case documents:

320091001W_WL_01072009.pdf: https://primis.phmsa.dot.gov/enforcement-documents/320091001W/320091001W_WL_01072009.pdf

320091001W_WL_01072009_text.pdf: https://primis.phmsa.dot.gov/enforcement-documents/320091001W/320091001W_WL_01072009_text.pdf

## Provenance

- Official: Yes
- Source: <https://primis.phmsa.dot.gov/enforcement-data/case/320091001W>
- Source ID: `phmsa-enforcement`
- SHA-256: `fb8a1baeca9301da459ae5c00b8c9465da40b2d932cfcde979e59ff5ebe93a5c`
- Retrieved: 2026-08-20T04:44:44.458Z
- Exported: 2026-08-24T06:29:43.978Z
- Document slug: `phmsa-enforcement-320091001w`

### Source metadata

```json
{
  "cpf": "320091001W",
  "operator": "ANR PIPELINE CO",
  "region": "Central",
  "pipelineType": "GAS INTERSTATE ONSHORE",
  "caseStatus": "CLOSED",
  "citedSections": [
    "192.481(a)",
    "192.745(a)"
  ],
  "dataAsOf": "08/04/2026 12PM",
  "caseDataAsOf": "2026-08-04",
  "attachmentCount": 2,
  "attachments": [
    {
      "name": "320091001W_WL_01072009.pdf",
      "url": "https://primis.phmsa.dot.gov/enforcement-documents/320091001W/320091001W_WL_01072009.pdf",
      "bytes": 70499,
      "category": "case_document"
    },
    {
      "name": "320091001W_WL_01072009_text.pdf",
      "url": "https://primis.phmsa.dot.gov/enforcement-documents/320091001W/320091001W_WL_01072009_text.pdf",
      "bytes": 17219,
      "category": "case_document"
    }
  ],
  "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"
}
```