# ULTRAMAR INC. — Warning Letter

**Citation:** CPF 520051008W  
**Type / status:** enforcement / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2005-09-14

CLOSED warning letter citing 191.17, 192.465(b), 192.471(b), 192.481, 192.739(d).

## Document text

Warning Letter involving ULTRAMAR INC.. PHMSA's enforcement data identifies the cited regulations as 191.17,  192.465(b),  192.471(b),  192.481,  192.739(d). The case was opened on 2005-09-14 and is reported as closed as of 2005-09-14. 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/520051008W>
- Source ID: `phmsa-enforcement`
- SHA-256: `8459f9a3953214c8023c5fa3ac7313b61427eafeeec42d4484ff325eea16863d`
- Retrieved: 2026-08-20T04:44:44.458Z
- Exported: 2026-08-24T12:12:09.487Z
- Document slug: `phmsa-enforcement-520051008w`

### Source metadata

```json
{
  "cpf": "520051008W",
  "operator": "ULTRAMAR INC.",
  "region": "Western",
  "pipelineType": "GAS INTERSTATE ONSHORE",
  "caseStatus": "CLOSED",
  "citedSections": [
    "191.17",
    "192.465(b)",
    "192.471(b)",
    "192.481",
    "192.739(d)"
  ],
  "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": "ULTRAMAR INC."
}
```