# PHMSA Hazmat Incident I-1989110466 — XYLENES — ORANGEBURG, SC

**Citation:** PHMSA Hazmat Incident I-1989110466  
**Type / status:** incident / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 1989-10-25  
**Published:** Not stated

Serious reporter-submitted hazardous materials transportation incident on 1989-10-25 in ORANGEBURG, SC.

## Document text

PHMSA hazardous materials incident report I-1989110466.
Incident date: 1989-10-25.
Location: ORANGEBURG, SC.
Mode: Highway.
Carrier/reporter: SOUTHEASTERN FREIGHT LINES INC.
Shipper: GLASCOAT / HELDOR-SEABLUE / HOECHST-CELANESE CORP / HORN A C & COMPANY.
Materials: UN1307; XYLENES; hazard class 3; 5 LGA released | UN1993; FLAMMABLE LIQUIDS, N.O.S.; hazard class 3; 385 LGA released | UN2055; STYRENE MONOMER, STABILIZED; hazard class 3; 25 LGA released | UN2465; DICHLOROISOCYANURIC ACID, DRY OR DICHLOROISOCYANURIC ACID SALTS; hazard class 5.1; 500 SLB released.
What failed: Basic Material.
How failed: Ripped or Torn.
Reported failure causes: Vehicular Crash or Accident Damage.
Reported result: 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=HcDYyK5NEaUgDDoVoqJF9Q%3D%3D>
- Source ID: `phmsa-hazmat-incidents`
- SHA-256: `29fdceb4029f2f8f06484fed79b1124e462fed4453cf8973766343e964fc322a`
- Retrieved: 2026-08-13T12:55:56.545Z
- Exported: 2026-08-26T09:37:24.166Z
- Document slug: `phmsa-hazmat-incident-i-1989110466`

### Source metadata

```json
{
  "materialSubtype": "phmsa_hazmat_serious_incident",
  "reportNumber": "I-1989110466",
  "operatorReported": true,
  "serious": true,
  "finalAgencyFinding": false,
  "eventDescriptionExcluded": true,
  "publicPdfUrl": "https://portal.phmsa.dot.gov/PDFGenerator/getPublicReport/OHMIR_5800-1-PUBLIC?INCIDENTID=HcDYyK5NEaUgDDoVoqJF9Q%3D%3D",
  "rowCount": 4,
  "carrierReporterNames": [
    "SOUTHEASTERN FREIGHT LINES INC"
  ],
  "shipperNames": [
    "GLASCOAT",
    "HELDOR-SEABLUE",
    "HOECHST-CELANESE CORP",
    "HORN A C & COMPANY"
  ],
  "routes": [
    "I-26"
  ],
  "cities": [
    "ORANGEBURG"
  ],
  "states": [
    "SC"
  ],
  "originCities": [],
  "modes": [
    "Highway"
  ],
  "materials": [
    {
      "identificationNumber": "UN1307",
      "commodityName": "XYLENES",
      "hazardousClass": "3",
      "quantityReleased": "5",
      "unitOfMeasure": "LGA"
    },
    {
      "identificationNumber": "UN1993",
      "commodityName": "FLAMMABLE LIQUIDS, N.O.S.",
      "hazardousClass": "3",
      "quantityReleased": "385",
      "unitOfMeasure": "LGA"
    },
    {
      "identificationNumber": "UN2055",
      "commodityName": "STYRENE MONOMER, STABILIZED",
      "hazardousClass": "3",
      "quantityReleased": "25",
      "unitOfMeasure": "LGA"
    },
    {
      "identificationNumber": "UN2465",
      "commodityName": "DICHLOROISOCYANURIC ACID, DRY OR DICHLOROISOCYANURIC ACID SALTS",
      "hazardousClass": "5.1",
      "quantityReleased": "500",
      "unitOfMeasure": "SLB"
    }
  ],
  "packages": [
    {
      "identificationMarkings": null,
      "outerMaterial": null,
      "outerType": null,
      "outerCapacity": "25",
      "outerCapacityUnit": "SLB",
      "outerShipmentCount": "20",
      "outerFailedCount": "20",
      "innerMaterial": null,
      "innerType": null,
      "innerCapacity": "0",
      "innerCapacityUnit": null,
      "innerShipmentCount": "0",
      "innerFailedCount": "0"
    },
    {
      "identificationMarkings": null,
      "outerMaterial": null,
      "outerType": null,
      "outerCapacity": "5",
      "outerCapacityUnit": "LGA",
      "outerShipmentCount": "3",
      "outerFailedCount": "1",
      "innerMaterial": null,
      "innerType": null,
      "innerCapacity": "0",
      "innerCapacityUnit": null,
      "innerShipmentCount": "0",
      "innerFailedCount": "0"
    },
    {
      "identificationMarkings": null,
      "outerMaterial": null,
      "outerType": null,
      "outerCapacity": "5",
      "outerCapacityUnit": "LGA",
      "outerShipmentCount": "5",
      "outerFailedCount": "5",
      "innerMaterial": null,
      "innerType": null,
      "innerCapacity": "0",
      "innerCapacityUnit": null,
      "innerShipmentCount": "0",
      "innerFailedCount": "0"
    },
    {
      "identificationMarkings": null,
      "outerMaterial": null,
      "outerType": null,
      "outerCapacity": "55",
      "outerCapacityUnit": "LGA",
      "outerShipmentCount": "20",
      "outerFailedCount": "13",
      "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"
}
```