# PHMSA Hazmat Incident I-2004030944 — SODIUM HYDROXIDE, SOLUTION — ELK CITY, OK

**Citation:** PHMSA Hazmat Incident I-2004030944  
**Type / status:** incident / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2003-10-29  
**Published:** Not stated

Serious reporter-submitted hazardous materials transportation incident on 2003-10-29 in ELK CITY, OK.

## Document text

PHMSA hazardous materials incident report I-2004030944.
Incident date: 2003-10-29.
Location: ELK CITY, OK.
Mode: Highway.
Carrier/reporter: BRENNTAG SOUTHWEST.
Shipper: BRENNTAG SOUTHWEST.
Materials: UN1824; SODIUM HYDROXIDE, SOLUTION; hazard class 8; 320 LGA released.
What failed: Basic Material; Weld or Seam.
How failed: Burst or Ruptured.
Reported failure causes: Dropped.
Reported result: Spillage.
Reporter-submitted DOT Form 5800.1 data may be incomplete, corrected, supplemented, or misreported. A record, serious-incident classification, failure description, or relationship to a reporting rule is not a PHMSA causal finding, compliance determination, or finding of a violation.

## Provenance

- Official: Yes
- Source: <https://portal.phmsa.dot.gov/PDFGenerator/getPublicReport/OHMIR_5800-1-PUBLIC?INCIDENTID=F8sKFH%2FzBG7TPDoQf28p3A%3D%3D>
- Source ID: `phmsa-hazmat-incidents`
- SHA-256: `8931afd456af1af108034294b8c936f5c87253217929d42907db5d0f5837eef4`
- Retrieved: 2026-08-13T12:55:56.545Z
- Exported: 2026-08-23T02:18:16.468Z
- Document slug: `phmsa-hazmat-incident-i-2004030944`

### Source metadata

```json
{
  "materialSubtype": "phmsa_hazmat_serious_incident",
  "reportNumber": "I-2004030944",
  "operatorReported": true,
  "serious": true,
  "finalAgencyFinding": false,
  "eventDescriptionExcluded": true,
  "publicPdfUrl": "https://portal.phmsa.dot.gov/PDFGenerator/getPublicReport/OHMIR_5800-1-PUBLIC?INCIDENTID=F8sKFH%2FzBG7TPDoQf28p3A%3D%3D",
  "rowCount": 1,
  "carrierReporterNames": [
    "BRENNTAG SOUTHWEST"
  ],
  "shipperNames": [
    "BRENNTAG SOUTHWEST"
  ],
  "routes": [
    "7802 W 7TH ST"
  ],
  "cities": [
    "ELK CITY"
  ],
  "states": [
    "OK"
  ],
  "originCities": [],
  "modes": [
    "Highway"
  ],
  "materials": [
    {
      "identificationNumber": "UN1824",
      "commodityName": "SODIUM HYDROXIDE, SOLUTION",
      "hazardousClass": "8",
      "quantityReleased": "320",
      "unitOfMeasure": "LGA"
    }
  ],
  "packages": [
    {
      "identificationMarkings": null,
      "outerMaterial": null,
      "outerType": null,
      "outerCapacity": "330",
      "outerCapacityUnit": "LGA",
      "outerShipmentCount": "7",
      "outerFailedCount": "1",
      "innerMaterial": null,
      "innerType": null,
      "innerCapacity": "0",
      "innerCapacityUnit": null,
      "innerShipmentCount": "0",
      "innerFailedCount": "0"
    }
  ],
  "reportingRuleContext": [
    "171.15",
    "171.16"
  ],
  "caveat": "Reporter-submitted DOT Form 5800.1 data may be incomplete, corrected, supplemented, or misreported. A record, serious-incident classification, failure description, or relationship to a reporting rule is not a PHMSA causal finding, compliance determination, or finding of a violation.",
  "privacyCaveat": "The public CSV excludes preparer contact fields. Event Description is intentionally excluded from normalized records and search output to reduce incidental personal-information risk.",
  "jurisdiction": "US"
}
```