# DIAMOND SHAMROCK REFINING COMPANY — Hazardous liquid annual report (2004)

**Citation:** PHMSA Annual Report 20040294 (2004)  
**Type / status:** inspection / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2004-12-31

Hazardous liquid; reporting year 2004. Operator-reported infrastructure data.

## Document text

Hazardous liquid annual report for reporting year 2004, submitted by DIAMOND SHAMROCK REFINING COMPANY (operator 3370). The sortable date is the reporting-period end, not the operator submission date.

## Provenance

- Official: Yes
- Source: <https://data.transportation.gov/d/aemm-7pyq>
- Source ID: `phmsa-annual-reports`
- SHA-256: `662be372d76b57dcd4b69eeaaa1f4db32fad717c428fa3f57fa8520dd527997d`
- Retrieved: 2026-08-13T02:59:50.318Z
- Exported: 2026-08-25T10:41:36.060Z
- Document slug: `phmsa-annual-92723df675ab037fe405b4d4`

### Source metadata

```json
{
  "materialSubtype": "phmsa_pipeline_annual_report",
  "dataset": "hazardous_liquid",
  "reportYear": 2004,
  "reportNumber": "20040294",
  "supplementalNumber": null,
  "sourceFormat": "modern_xlsx",
  "operator": {
    "id": "3370",
    "name": "DIAMOND SHAMROCK REFINING COMPANY"
  },
  "region": null,
  "commodity": null,
  "representedStates": [],
  "jurisdictionClasses": [],
  "facilities": [],
  "metrics": {},
  "dependentRowsBySheet": {},
  "dataAsOf": null,
  "reportingPeriodEnd": "2004-12-31",
  "dateBasis": "calendar_year_end_not_submission_date",
  "provenance": {
    "archive": "annual_hazardous_liquid_2004_2009.zip",
    "archiveSha256": "2d3639583de94ad14a19c523de95cba0490ffb9d6c0ed630265b09abc68b5c50",
    "workbook": "annual_hazardous_liquid_2004.xlsx",
    "sheet": "HL AR 2004",
    "rowNumber": 393,
    "sourceRowNumbers": [
      393
    ],
    "rowSha256": "7ed52ffc8f35b7eec2df81e3655b8868b5f730582910dddb5622fe7ce5dd1271"
  },
  "caveat": "Operator-reported annual infrastructure data may be corrected. The indexed date is the reporting-period end, not the submission date, and the record is not an agency finding about current facility condition.",
  "jurisdiction": "US",
  "operatorName": "DIAMOND SHAMROCK REFINING COMPANY"
}
```