# FLINT HILLS RESOURCES, LC — Warning Letter

**Citation:** CPF 420045037W  
**Type / status:** enforcement / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2004-12-07

CLOSED warning letter citing 195.452(f)(1).

## Document text

Warning Letter involving FLINT HILLS RESOURCES, LC. PHMSA's enforcement data identifies the cited regulation as 195.452(f)(1). The case was opened on 2004-12-07 and is reported as closed as of 2004-12-07. 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/420045037W>
- Source ID: `phmsa-enforcement`
- SHA-256: `3d82123b8102f7115241cd720b732387042f4baacf35e5fa92ca795761063f0d`
- Retrieved: 2026-08-20T04:44:44.458Z
- Exported: 2026-08-24T13:39:52.650Z
- Document slug: `phmsa-enforcement-420045037w`

### Source metadata

```json
{
  "cpf": "420045037W",
  "operator": "FLINT HILLS RESOURCES, LC",
  "region": "Southwest",
  "pipelineType": "INTERSTATE LIQUID ONSHORE",
  "caseStatus": "CLOSED",
  "citedSections": [
    "195.452(f)(1)"
  ],
  "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": "FLINT HILLS RESOURCES, LC"
}
```