# PHMSA Hazmat Incident I-2006061139 — STYRENE MONOMER, STABILIZED — PALATINE, IL

**Citation:** PHMSA Hazmat Incident I-2006061139  
**Type / status:** incident / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2006-03-03  
**Published:** Not stated

Serious reporter-submitted hazardous materials transportation incident on 2006-03-03 in PALATINE, IL.

## Document text

PHMSA hazardous materials incident report I-2006061139.
Incident date: 2006-03-03.
Location: PALATINE, IL.
Mode: Rail.
Carrier/reporter: BELT RAILWAY CO OF CHICAGO.
Shipper: LYONDELL CHEMICAL CO..
Materials: UN2055; STYRENE MONOMER, STABILIZED; hazard class 3; 5 LGA released.
What failed: Bottom Outlet Valve.
How failed: Leaked.
Reported failure causes: Deterioration or Aging.
Reported result: Spillage, Vapor(Gas) Dispersion.
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=jBP4DL8fSnKPTMtzaCAIYw%3D%3D>
- Source ID: `phmsa-hazmat-incidents`
- SHA-256: `04a263348f43e361f9fd2ae96793f03caa0425817aa6bf5a9df44e12d1884dad`
- Retrieved: 2026-08-13T12:55:56.545Z
- Exported: 2026-08-27T03:40:44.627Z
- Document slug: `phmsa-hazmat-incident-i-2006061139`

### Source metadata

```json
{
  "materialSubtype": "phmsa_hazmat_serious_incident",
  "reportNumber": "I-2006061139",
  "operatorReported": true,
  "serious": true,
  "finalAgencyFinding": false,
  "eventDescriptionExcluded": true,
  "publicPdfUrl": "https://portal.phmsa.dot.gov/PDFGenerator/getPublicReport/OHMIR_5800-1-PUBLIC?INCIDENTID=jBP4DL8fSnKPTMtzaCAIYw%3D%3D",
  "rowCount": 1,
  "carrierReporterNames": [
    "BELT RAILWAY CO OF CHICAGO"
  ],
  "shipperNames": [
    "LYONDELL CHEMICAL CO."
  ],
  "routes": [],
  "cities": [
    "PALATINE"
  ],
  "states": [
    "IL"
  ],
  "originCities": [],
  "modes": [
    "Rail"
  ],
  "materials": [
    {
      "identificationNumber": "UN2055",
      "commodityName": "STYRENE MONOMER, STABILIZED",
      "hazardousClass": "3",
      "quantityReleased": "5",
      "unitOfMeasure": "LGA"
    }
  ],
  "packages": [
    {
      "identificationMarkings": "GATX 89121",
      "outerMaterial": "STAINLESS STEEL",
      "outerType": null,
      "outerCapacity": "180000",
      "outerCapacityUnit": "LGA",
      "outerShipmentCount": "0",
      "outerFailedCount": "0",
      "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"
}
```