# PHMSA Hazmat Incident I-1994100749 — DICYCLOPENTADIENE — HOUSTON, TX

**Citation:** PHMSA Hazmat Incident I-1994100749  
**Type / status:** incident / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 1994-09-08  
**Published:** Not stated

Serious reporter-submitted hazardous materials transportation incident on 1994-09-08 in HOUSTON, TX.

## Document text

PHMSA hazardous materials incident report I-1994100749.
Incident date: 1994-09-08.
Location: HOUSTON, TX.
Mode: Air.
Carrier/reporter: FEDERAL EXPRESS CORP.
Shipper: HALTERMAN.
Materials: UN2048; DICYCLOPENTADIENE; hazard class 3; 0.264172 LGA released.
What failed: Basic Material; Basic Material; Closure (e.g., Cap, Top, or Plug).
Reported failure causes: Loose Closure, Component, or Device.
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=wYK72porZw15R4lNfObc2w%3D%3D>
- Source ID: `phmsa-hazmat-incidents`
- SHA-256: `888cf0003d12a04449d74e74add03bdcf87737393d9a441d15baa77e0ec8e1c5`
- Retrieved: 2026-08-13T12:55:56.545Z
- Exported: 2026-08-26T01:30:10.420Z
- Document slug: `phmsa-hazmat-incident-i-1994100749`

### Source metadata

```json
{
  "materialSubtype": "phmsa_hazmat_serious_incident",
  "reportNumber": "I-1994100749",
  "operatorReported": true,
  "serious": true,
  "finalAgencyFinding": false,
  "eventDescriptionExcluded": true,
  "publicPdfUrl": "https://portal.phmsa.dot.gov/PDFGenerator/getPublicReport/OHMIR_5800-1-PUBLIC?INCIDENTID=wYK72porZw15R4lNfObc2w%3D%3D",
  "rowCount": 1,
  "carrierReporterNames": [
    "FEDERAL EXPRESS CORP"
  ],
  "shipperNames": [
    "HALTERMAN"
  ],
  "routes": [
    "8200 TELEPHONE RD"
  ],
  "cities": [
    "HOUSTON"
  ],
  "states": [
    "TX"
  ],
  "originCities": [],
  "modes": [
    "Air"
  ],
  "materials": [
    {
      "identificationNumber": "UN2048",
      "commodityName": "DICYCLOPENTADIENE",
      "hazardousClass": "3",
      "quantityReleased": "0.264172",
      "unitOfMeasure": "LGA"
    }
  ],
  "packages": [
    {
      "identificationMarkings": null,
      "outerMaterial": null,
      "outerType": null,
      "outerCapacity": "1.056688",
      "outerCapacityUnit": "LGA",
      "outerShipmentCount": "1",
      "outerFailedCount": "1",
      "innerMaterial": null,
      "innerType": null,
      "innerCapacity": "1.056688",
      "innerCapacityUnit": "LGA",
      "innerShipmentCount": "1",
      "innerFailedCount": "1"
    }
  ],
  "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"
}
```