# PHMSA Hazmat Incident E-2020040527 — CORROSIVE LIQUID, BASIC, INORGANIC, N.O.S. — EHRENBERG, AZ

**Citation:** PHMSA Hazmat Incident E-2020040527  
**Type / status:** incident / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2020-04-16  
**Published:** Not stated

Serious reporter-submitted hazardous materials transportation incident on 2020-04-16 in EHRENBERG, AZ.

## Document text

PHMSA hazardous materials incident report E-2020040527.
Incident date: 2020-04-16.
Location: EHRENBERG, AZ.
Mode: Highway.
Carrier/reporter: U S Express Carriers LLC.
Shipper: SEATEX, LTD..
Materials: UN3266; CORROSIVE LIQUID, BASIC, INORGANIC, N.O.S.; hazard class 8; 500 LGA released.
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=I7gZqSx5ktLG59DX0rLo%2FQ%3D%3D>
- Source ID: `phmsa-hazmat-incidents`
- SHA-256: `3308baef384a3a3a9800a26c06e4fd18963f4253e2c48d651069f17333651549`
- Retrieved: 2026-08-13T12:55:56.545Z
- Exported: 2026-08-24T15:31:36.583Z
- Document slug: `phmsa-hazmat-incident-e-2020040527`

### Source metadata

```json
{
  "materialSubtype": "phmsa_hazmat_serious_incident",
  "reportNumber": "E-2020040527",
  "operatorReported": true,
  "serious": true,
  "finalAgencyFinding": false,
  "eventDescriptionExcluded": true,
  "publicPdfUrl": "https://portal.phmsa.dot.gov/PDFGenerator/getPublicReport/OHMIR_5800-1-PUBLIC?INCIDENTID=I7gZqSx5ktLG59DX0rLo%2FQ%3D%3D",
  "rowCount": 1,
  "carrierReporterNames": [
    "U S Express Carriers LLC"
  ],
  "shipperNames": [
    "SEATEX, LTD."
  ],
  "routes": [
    "I-10 Mile Post 1 / Postin Rd S"
  ],
  "cities": [
    "EHRENBERG"
  ],
  "states": [
    "AZ"
  ],
  "originCities": [],
  "modes": [
    "Highway"
  ],
  "materials": [
    {
      "identificationNumber": "UN3266",
      "commodityName": "CORROSIVE LIQUID, BASIC, INORGANIC, N.O.S.",
      "hazardousClass": "8",
      "quantityReleased": "500",
      "unitOfMeasure": "LGA"
    }
  ],
  "packages": [
    {
      "identificationMarkings": "1",
      "outerMaterial": "Metal",
      "outerType": "IBC",
      "outerCapacity": "500",
      "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"
}
```