# PALO ALTO, CITY OF — Warning Letter

**Citation:** CPF 520060009W  
**Type / status:** enforcement / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2006-04-18

CLOSED warning letter citing 192.241(a)(2).

## Document text

Warning Letter involving PALO ALTO, CITY OF. PHMSA's enforcement data identifies the cited regulation as 192.241(a)(2). The case was opened on 2006-04-18 and is reported as closed as of 2006-04-18. 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/520060009W>
- Source ID: `phmsa-enforcement`
- SHA-256: `9945a69235c82c70435a82f3eb29fac628ea3c403d7c9f319dcb7b54af471e52`
- Retrieved: 2026-08-20T04:44:44.458Z
- Exported: 2026-08-24T09:39:59.363Z
- Document slug: `phmsa-enforcement-520060009w`

### Source metadata

```json
{
  "cpf": "520060009W",
  "operator": "PALO ALTO, CITY OF",
  "region": "Western",
  "pipelineType": "GAS INTRASTATE ONSHORE",
  "caseStatus": "CLOSED",
  "citedSections": [
    "192.241(a)(2)"
  ],
  "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": "PALO ALTO, CITY OF"
}
```