# PHMSA Hazmat Incident I-1991070289 — POTASSIUM HYDROXIDE, SOLUTION — ALEXANDRIA, VA

**Citation:** PHMSA Hazmat Incident I-1991070289  
**Type / status:** incident / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 1991-06-23  
**Published:** Not stated

Serious reporter-submitted hazardous materials transportation incident on 1991-06-23 in ALEXANDRIA, VA.

## Document text

PHMSA hazardous materials incident report I-1991070289.
Incident date: 1991-06-23.
Location: ALEXANDRIA, VA.
Mode: Rail.
Carrier/reporter: RICHMOND FREDERICKSBG PTMC RR.
Shipper: LCP CHEMICALS.
Materials: UN1814; POTASSIUM HYDROXIDE, SOLUTION; hazard class 8; 1 LGA released | UN1814; POTASSIUM HYDROXIDE, SOLUTION; hazard class 8; 1000 LGA released.
Reported failure causes: Derailment; Rollover Accident.
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=GgsBE%2BgHsYoee8cLo0bNoQ%3D%3D>
- Source ID: `phmsa-hazmat-incidents`
- SHA-256: `9f824427d2fd4c5a128ad8ef3251f148f392f1bab66e14ff5a3ad57cf551dd55`
- Retrieved: 2026-08-13T12:55:56.545Z
- Exported: 2026-08-26T23:20:37.405Z
- Document slug: `phmsa-hazmat-incident-i-1991070289`

### Source metadata

```json
{
  "materialSubtype": "phmsa_hazmat_serious_incident",
  "reportNumber": "I-1991070289",
  "operatorReported": true,
  "serious": true,
  "finalAgencyFinding": false,
  "eventDescriptionExcluded": true,
  "publicPdfUrl": "https://portal.phmsa.dot.gov/PDFGenerator/getPublicReport/OHMIR_5800-1-PUBLIC?INCIDENTID=GgsBE%2BgHsYoee8cLo0bNoQ%3D%3D",
  "rowCount": 2,
  "carrierReporterNames": [
    "RICHMOND FREDERICKSBG PTMC RR"
  ],
  "shipperNames": [
    "LCP CHEMICALS"
  ],
  "routes": [
    "RF&P RAILROAD (POTOMAC YARD)"
  ],
  "cities": [
    "ALEXANDRIA"
  ],
  "states": [
    "VA"
  ],
  "originCities": [
    "DELAWARE CITY"
  ],
  "modes": [
    "Rail"
  ],
  "materials": [
    {
      "identificationNumber": "UN1814",
      "commodityName": "POTASSIUM HYDROXIDE, SOLUTION",
      "hazardousClass": "8",
      "quantityReleased": "1",
      "unitOfMeasure": "LGA"
    },
    {
      "identificationNumber": "UN1814",
      "commodityName": "POTASSIUM HYDROXIDE, SOLUTION",
      "hazardousClass": "8",
      "quantityReleased": "1000",
      "unitOfMeasure": "LGA"
    }
  ],
  "packages": [
    {
      "identificationMarkings": null,
      "outerMaterial": null,
      "outerType": null,
      "outerCapacity": "16000",
      "outerCapacityUnit": "LGA",
      "outerShipmentCount": "1",
      "outerFailedCount": "1",
      "innerMaterial": null,
      "innerType": null,
      "innerCapacity": "0",
      "innerCapacityUnit": null,
      "innerShipmentCount": "0",
      "innerFailedCount": "0"
    },
    {
      "identificationMarkings": null,
      "outerMaterial": null,
      "outerType": null,
      "outerCapacity": "16479",
      "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"
}
```