# PHMSA Hazmat Incident I-2005021042 — HYDROGEN FLUORIDE, ANHYDROUS — TARENTUM, PA

**Citation:** PHMSA Hazmat Incident I-2005021042  
**Type / status:** incident / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2005-01-31  
**Published:** Not stated

Serious reporter-submitted hazardous materials transportation incident on 2005-01-31 in TARENTUM, PA.

## Document text

PHMSA hazardous materials incident report I-2005021042.
Incident date: 2005-01-31.
Location: TARENTUM, PA.
Mode: Rail.
Carrier/reporter: NORFOLK SOUTHERN RAILWAY COMPANY.
Shipper: SOLVAY CHEMICALS INC.
Materials: UN1052; HYDROGEN FLUORIDE, ANHYDROUS; hazard class 8; 15398.25 LGA released.
What failed: Bolts or Nuts.
How failed: Torn Off or Damaged.
Reported failure causes: Derailment.
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=3dqcsmRz7VRGftvfcXxXfA%3D%3D>
- Source ID: `phmsa-hazmat-incidents`
- SHA-256: `21cec3f43db92c986d10341a551cac0f4370899f3942f0c630b6be71dc93c69d`
- Retrieved: 2026-08-13T12:55:56.545Z
- Exported: 2026-08-25T11:07:51.325Z
- Document slug: `phmsa-hazmat-incident-i-2005021042`

### Source metadata

```json
{
  "materialSubtype": "phmsa_hazmat_serious_incident",
  "reportNumber": "I-2005021042",
  "operatorReported": true,
  "serious": true,
  "finalAgencyFinding": false,
  "eventDescriptionExcluded": true,
  "publicPdfUrl": "https://portal.phmsa.dot.gov/PDFGenerator/getPublicReport/OHMIR_5800-1-PUBLIC?INCIDENTID=3dqcsmRz7VRGftvfcXxXfA%3D%3D",
  "rowCount": 1,
  "carrierReporterNames": [
    "NORFOLK SOUTHERN RAILWAY COMPANY"
  ],
  "shipperNames": [
    "SOLVAY CHEMICALS INC"
  ],
  "routes": [
    "MILEPOST LC 58.9"
  ],
  "cities": [
    "TARENTUM"
  ],
  "states": [
    "PA"
  ],
  "originCities": [
    "CHICAGO"
  ],
  "modes": [
    "Rail"
  ],
  "materials": [
    {
      "identificationNumber": "UN1052",
      "commodityName": "HYDROGEN FLUORIDE, ANHYDROUS",
      "hazardousClass": "8",
      "quantityReleased": "15398.25",
      "unitOfMeasure": "LGA"
    }
  ],
  "packages": [
    {
      "identificationMarkings": "112S400W",
      "outerMaterial": "ASTM A516. GR. 70",
      "outerType": null,
      "outerCapacity": "23643",
      "outerCapacityUnit": "LGA",
      "outerShipmentCount": "1",
      "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"
}
```