# PHMSA Hazmat Incident I-1992080677 — CARBON DIOXIDE, REFRIGERATED LIQUID — PENSACOLA, FL

**Citation:** PHMSA Hazmat Incident I-1992080677  
**Type / status:** incident / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 1992-07-30  
**Published:** Not stated

Serious reporter-submitted hazardous materials transportation incident on 1992-07-30 in PENSACOLA, FL.

## Document text

PHMSA hazardous materials incident report I-1992080677.
Incident date: 1992-07-30.
Location: PENSACOLA, FL.
Mode: Rail.
Carrier/reporter: CSX TRANSPORTATION.
Shipper: LIQUID CARBONICS CORP.
Materials: UN2187; CARBON DIOXIDE, REFRIGERATED LIQUID; hazard class 2.2; 17000 LGA released.
What failed: Auxiliary Valve; Piping or Fittings; Vapor Valve.
How failed: Burst or Ruptured.
Reported failure causes: Over-pressurized.
Reported result: Spillage, Vapor(Gas) Dispersion.
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://portalpublic.phmsa.dot.gov/analytics/saw.dll?Portal?PortalPath=/shared/Public%20Website%20Pages/_portal/Hazmat%20Incident%20Report%20Search>
- Source ID: `phmsa-hazmat-incidents`
- SHA-256: `bf3fdbe94dc27e4660eb7162d10e1c9bd8a5f6afab9c71e8fdd4f330ab12dd91`
- Retrieved: 2026-08-13T12:55:56.545Z
- Exported: 2026-08-24T17:24:12.976Z
- Document slug: `phmsa-hazmat-incident-i-1992080677`

### Source metadata

```json
{
  "materialSubtype": "phmsa_hazmat_serious_incident",
  "reportNumber": "I-1992080677",
  "operatorReported": true,
  "serious": true,
  "finalAgencyFinding": false,
  "eventDescriptionExcluded": true,
  "publicPdfUrl": null,
  "rowCount": 1,
  "carrierReporterNames": [
    "CSX TRANSPORTATION"
  ],
  "shipperNames": [
    "LIQUID CARBONICS CORP"
  ],
  "routes": [
    "4700 SYCAMORE ST"
  ],
  "cities": [
    "PENSACOLA"
  ],
  "states": [
    "FL"
  ],
  "originCities": [],
  "modes": [
    "Rail"
  ],
  "materials": [
    {
      "identificationNumber": "UN2187",
      "commodityName": "CARBON DIOXIDE, REFRIGERATED LIQUID",
      "hazardousClass": "2.2",
      "quantityReleased": "17000",
      "unitOfMeasure": "LGA"
    }
  ],
  "packages": [
    {
      "identificationMarkings": null,
      "outerMaterial": null,
      "outerType": null,
      "outerCapacity": "18521",
      "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"
}
```