# PHMSA Hazmat Incident X-2025091574 — ALCOHOLS, N.O.S. — CHEYENNE, WY

- **operation:** document
- **citation:** PHMSA Hazmat Incident X-2025091574
- **title:** PHMSA Hazmat Incident X-2025091574 — ALCOHOLS, N.O.S. — CHEYENNE, WY
- **source type:** incident
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** historical
- **official:** true
- **published on:** Not available
- **effective on:** 2025-09-21
- **summary:** Serious reporter-submitted hazardous materials transportation incident on 2025-09-21 in CHEYENNE, WY.
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- **source url:** https://portal.phmsa.dot.gov/PDFGenerator/getPublicReport/OHMIR_5800-1-PUBLIC?INCIDENTID=M8GRKfeohwxUgs%2FfQrzaJQ%3D%3D
**body:**

PHMSA hazardous materials incident report X-2025091574.
Incident date: 2025-09-21.
Location: CHEYENNE, WY.
Mode: Rail.
Carrier/reporter: UNION PACIFIC RAILROAD COMPANY.
Shipper: Poet Biobrefining.
Materials: UN1987; ALCOHOLS, N.O.S.; hazard class 3; 400 LGA released.
What failed: Air Inlet; Liquid Line.
How failed: Leaked; Leaked.
Reported failure causes: Fire, Temperature, or Heat; Fire, Temperature, or Heat.
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.
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