# UNION CARBIDE CORP — Gas transmission and gathering — incident on 1986-05-07

**Citation:** PHMSA Report 19860101  
**Type / status:** incident / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 1986-05-07  
**Published:** 1986-05-07

Gas transmission and gathering incident in VERDONVILLE, LOGAN County, WV. Reported cause: CORROSION. Reported consequences: 0 fatalities, 0 injuries, $15,800 reported property damage. Operator-reported incident data submitted to PHMSA, generally within 30 days. Records may be supplemented or corrected and do not represent final agency causal findings. PHMSA trend classification: not significant, not serious.

## Document text

Gas transmission and gathering incident in VERDONVILLE, LOGAN County, WV. Reported cause: CORROSION. Reported consequences: 0 fatalities, 0 injuries, $15,800 reported property damage. Operator-reported incident data submitted to PHMSA, generally within 30 days. Records may be supplemented or corrected and do not represent final agency causal findings.

Report number: 19860101.

Operator ID: 20040.

Reported incident date: 19860507.

Location detail: EXTERNALLY

Location detail: GENERAL CORROSION

Cause detail: THE INCIDENT OCCURED IN A 10" NATURAL GAS PIPELINE APPROXIMATELY 40 FEET FROM THE FENCE LINE OF A COMPRESSOR STATION WHICH PUMPS NATURAL GAS. GENERAL EXTERNAL GALVANIC CORROSION ACCELERATED BY THE COMPRESSOR OUTLET TEMPERATURE (90 DEGREES F) IS BELIEVED TO BE THE PRIMARY CAUSE. OTHER POTENTIALLY CONTRIBUTING FACTORS ARE THE LOCAL SOIL CONDITIONS AND POSSIBLY VIBRATIONS FROM THE COMPRESSOR.

PHMSA trend classification: not significant, not serious.

PHMSA standardized cause: CORROSION — EXTERNAL.

PHMSA indexed costs: $15,800 reported total cost, $14,951.24 in 1984 dollars, $36,820.302 in current-year dollars.

PHMSA trend flags, standardized causes, and indexed costs are analytical fields added to operator-reported incident data. They do not represent final agency causal findings.

## Provenance

- Official: Yes
- Source: <https://data.transportation.gov/api/views/27nc-rsge/files/bea0164f-672a-475e-986b-8e45e9634dbf?download=true&filename=Gas%20Transmission%20%26%20Gathering%20Incident%20Data%20-%20mid%201984%20to%202001.zip>
- Source ID: `phmsa-pipeline-incidents`
- SHA-256: `a428d6f85474f3fffc8f7df410d9365ad12bee5adc565ca88522db4c2bc1dbaf`
- Retrieved: 2026-08-20T03:30:32.010Z
- Exported: 2026-08-23T19:33:16.856Z
- Document slug: `phmsa-incident-cbe6d44000ccc5d0694f30f7`

### Source metadata

```json
{
  "recordKind": "pipeline_incident",
  "datasetType": "gas_transmission_gathering",
  "datasetLabel": "Gas transmission and gathering",
  "datasetPeriod": "mid 1984 to 2001",
  "report": {
    "number": "19860101",
    "supplementalNumber": null,
    "type": null,
    "receivedDate": null,
    "receivedDateRaw": null
  },
  "operator": {
    "id": "20040",
    "name": "UNION CARBIDE CORP"
  },
  "incident": {
    "date": "1986-05-07",
    "dateRaw": "19860507"
  },
  "location": {
    "city": "VERDONVILLE",
    "county": "LOGAN",
    "state": "WV",
    "postalCode": null,
    "latitude": null,
    "longitude": null,
    "type": null,
    "details": {
      "LOC": "EXTERNALLY",
      "ADESC": "GENERAL CORROSION"
    },
    "facilityName": null
  },
  "cause": {
    "category": "CORROSION",
    "details": {
      "NARRATIVE": "THE INCIDENT OCCURED IN A 10\" NATURAL GAS PIPELINE APPROXIMATELY 40 FEET FROM THE FENCE LINE OF A COMPRESSOR STATION WHICH PUMPS NATURAL GAS. GENERAL EXTERNAL GALVANIC CORROSION ACCELERATED BY THE COMPRESSOR OUTLET TEMPERATURE (90 DEGREES F) IS BELIEVED TO BE THE PRIMARY CAUSE. OTHER POTENTIALLY CONTRIBUTING FACTORS ARE THE LOCAL SOIL CONDITIONS AND POSSIBLY VIBRATIONS FROM THE COMPRESSOR."
    }
  },
  "consequences": {
    "fatalities": 0,
    "injuries": 0,
    "commodity": null,
    "release": null,
    "propertyDamage": 15800,
    "estimatedOperatorCost": null,
    "estimatedEmergencyCost": null,
    "estimatedEnvironmentalCost": null,
    "ignition": null,
    "explosion": null,
    "evacuated": null,
    "raw": {
      "FAT": "0",
      "INJ": "0",
      "PRPTY": "15800"
    }
  },
  "provenance": {
    "viewId": "27nc-rsge",
    "viewUrl": "https://data.transportation.gov/api/views/27nc-rsge",
    "assetId": "bea0164f-672a-475e-986b-8e45e9634dbf",
    "archiveFilename": "Gas Transmission & Gathering Incident Data - mid 1984 to 2001.zip",
    "archiveSha256": "d709bdb4092d232ffeb0c3ed574174cf59a5109883cc5ed4ba9083121c13e212",
    "memberPath": "incident_gas_transmission_gathering_mid1984_2001.txt",
    "memberSha256": "7c2b38f16d35434acea785b7a31b308bcb50c50a9f4868c3fa39e17648aee9a0",
    "rowNumber": 237,
    "rowSha256": "0fb52246e65d916cf46666f9ed854fcbed81e684e2101794792f869027218224"
  },
  "caveat": "Operator-reported incident data submitted to PHMSA, generally within 30 days. Records may be supplemented or corrected and do not represent final agency causal findings.",
  "operatorReported": true,
  "finalAgencyFinding": false,
  "flaggedAnalysis": {
    "dataAsOf": "2026-07-31",
    "flags": {
      "fireFirst": null,
      "significant": false,
      "serious": false
    },
    "standardizedCause": {
      "sevenCategory": "CORROSION",
      "sevenSubcategory": "EXTERNAL",
      "eightCategory": null,
      "eightSubcategory": null
    },
    "costs": {
      "reported": 15800,
      "in1984Dollars": 14951.2396694214,
      "currentYearDollars": 36820.3018325547
    },
    "caveat": "PHMSA trend flags, standardized causes, and indexed costs are analytical fields added to operator-reported incident data. They do not represent final agency causal findings.",
    "provenance": {
      "sourceUrl": "https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/data_statistics/pipeline/PHMSA_Pipeline_Safety_Flagged_Incidents.zip",
      "landingPageUrl": "https://www.phmsa.dot.gov/data-and-statistics/pipeline/pipeline-incident-flagged-files",
      "catalogUrl": "https://data.transportation.gov/Pipelines-and-Hazmat/Pipeline-Incident-Flagged-Files/qdme-9bbm",
      "retrievalMode": "official_live",
      "archivedAt": null,
      "archiveSha256": "317e6a3e16d60b9b677efe391dc40258b5dd7ead83fb8bea74cb553cedfbbdec",
      "workbook": "gtgg1986to2001.xlsx",
      "sheet": "gtgg1986to2001",
      "rowNumber": 23,
      "rowSha256": "e3c398b76ed4176c1df4fe1e40b45c9741cc3c473d4d2634d0e705d27b57aad8"
    }
  },
  "jurisdiction": "US",
  "operatorName": "UNION CARBIDE CORP"
}
```