# PHMSA Hazmat Incident I-1988100500 — NAPHTHA, PETROLEUM — JENNINGS, LA

**Citation:** PHMSA Hazmat Incident I-1988100500  
**Type / status:** incident / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 1988-10-04  
**Published:** Not stated

Serious reporter-submitted hazardous materials transportation incident on 1988-10-04 in JENNINGS, LA.

## Document text

PHMSA hazardous materials incident report I-1988100500.
Incident date: 1988-10-04.
Location: JENNINGS, LA.
Mode: Highway.
Carrier/reporter: MISSION PETROLEUM CARRIERS.
Shipper: UNOCAL CHEM DIV.
Materials: UN1255; NAPHTHA, PETROLEUM; hazard class 2.0; 3090 LGA released | UN1255; NAPHTHA, PETROLEUM; hazard class 3; 3090 LGA released | UN1294; TOLUENE; hazard class 3; 3090 LGA released.
How failed: Punctured.
Reported failure causes: Fire, Temperature, or Heat; Vehicular Crash or Accident Damage.
Reported result: Spillage, Fire.
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=%2FNcIz3f4Xg16m5Se%2FvHYTA%3D%3D>
- Source ID: `phmsa-hazmat-incidents`
- SHA-256: `15bb145bd77c195b24381230bef06b5c40326d1ca22e6c7d21fddcfa654de9a2`
- Retrieved: 2026-08-13T12:55:56.545Z
- Exported: 2026-08-27T01:26:22.830Z
- Document slug: `phmsa-hazmat-incident-i-1988100500`

### Source metadata

```json
{
  "materialSubtype": "phmsa_hazmat_serious_incident",
  "reportNumber": "I-1988100500",
  "operatorReported": true,
  "serious": true,
  "finalAgencyFinding": false,
  "eventDescriptionExcluded": true,
  "publicPdfUrl": "https://portal.phmsa.dot.gov/PDFGenerator/getPublicReport/OHMIR_5800-1-PUBLIC?INCIDENTID=%2FNcIz3f4Xg16m5Se%2FvHYTA%3D%3D",
  "rowCount": 3,
  "carrierReporterNames": [
    "MISSION PETROLEUM CARRIERS"
  ],
  "shipperNames": [
    "UNOCAL CHEM DIV"
  ],
  "routes": [],
  "cities": [
    "JENNINGS"
  ],
  "states": [
    "LA"
  ],
  "originCities": [
    "NEDERLAND"
  ],
  "modes": [
    "Highway"
  ],
  "materials": [
    {
      "identificationNumber": "UN1255",
      "commodityName": "NAPHTHA, PETROLEUM",
      "hazardousClass": "2.0",
      "quantityReleased": "3090",
      "unitOfMeasure": "LGA"
    },
    {
      "identificationNumber": "UN1255",
      "commodityName": "NAPHTHA, PETROLEUM",
      "hazardousClass": "3",
      "quantityReleased": "3090",
      "unitOfMeasure": "LGA"
    },
    {
      "identificationNumber": "UN1294",
      "commodityName": "TOLUENE",
      "hazardousClass": "3",
      "quantityReleased": "3090",
      "unitOfMeasure": "LGA"
    }
  ],
  "packages": [
    {
      "identificationMarkings": null,
      "outerMaterial": null,
      "outerType": null,
      "outerCapacity": "9270",
      "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"
}
```