# PHMSA Hazmat Incident I-1998101400 — METHANOL — WAMSUTTER, WY

**Citation:** PHMSA Hazmat Incident I-1998101400  
**Type / status:** incident / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 1998-09-21  
**Published:** Not stated

Serious reporter-submitted hazardous materials transportation incident on 1998-09-21 in WAMSUTTER, WY.

## Document text

PHMSA hazardous materials incident report I-1998101400.
Incident date: 1998-09-21.
Location: WAMSUTTER, WY.
Mode: Highway.
Carrier/reporter: DOWELL SCHLUMBERGER.
Shipper: DOWELL SCHLUMBERGER.
Materials: UN1230; METHANOL; hazard class 3; 154 LGA released | UN1993; FLAMMABLE LIQUIDS, N.O.S.; hazard class 3; 154 LGA released | UN2924; FLAMMABLE LIQUIDS, CORROSIVE, N.O.S.; hazard class 3; 154 LGA released.
Reported failure causes: Rollover Accident; Vehicular Crash or Accident Damage.
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=g3wcdWx7pXteYAm293MvPg%3D%3D>
- Source ID: `phmsa-hazmat-incidents`
- SHA-256: `753a4fb899f8e14e80705365901e10cedc82926bb944a8cbb1c72c8b5e08a4d8`
- Retrieved: 2026-08-13T12:55:56.545Z
- Exported: 2026-08-27T13:38:13.192Z
- Document slug: `phmsa-hazmat-incident-i-1998101400`

### Source metadata

```json
{
  "materialSubtype": "phmsa_hazmat_serious_incident",
  "reportNumber": "I-1998101400",
  "operatorReported": true,
  "serious": true,
  "finalAgencyFinding": false,
  "eventDescriptionExcluded": true,
  "publicPdfUrl": "https://portal.phmsa.dot.gov/PDFGenerator/getPublicReport/OHMIR_5800-1-PUBLIC?INCIDENTID=g3wcdWx7pXteYAm293MvPg%3D%3D",
  "rowCount": 3,
  "carrierReporterNames": [
    "DOWELL SCHLUMBERGER"
  ],
  "shipperNames": [
    "DOWELL SCHLUMBERGER"
  ],
  "routes": [
    "AMOCO PRODUCTION LEASE RD"
  ],
  "cities": [
    "WAMSUTTER"
  ],
  "states": [
    "WY"
  ],
  "originCities": [],
  "modes": [
    "Highway"
  ],
  "materials": [
    {
      "identificationNumber": "UN1230",
      "commodityName": "METHANOL",
      "hazardousClass": "3",
      "quantityReleased": "154",
      "unitOfMeasure": "LGA"
    },
    {
      "identificationNumber": "UN1993",
      "commodityName": "FLAMMABLE LIQUIDS, N.O.S.",
      "hazardousClass": "3",
      "quantityReleased": "154",
      "unitOfMeasure": "LGA"
    },
    {
      "identificationNumber": "UN2924",
      "commodityName": "FLAMMABLE LIQUIDS, CORROSIVE, N.O.S.",
      "hazardousClass": "3",
      "quantityReleased": "154",
      "unitOfMeasure": "LGA"
    }
  ],
  "packages": [
    {
      "identificationMarkings": null,
      "outerMaterial": null,
      "outerType": null,
      "outerCapacity": "550",
      "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"
}
```