# PHMSA Hazmat Incident E-2025050426 — AMMONIA ANHYDROUS — RUSSELL, KY

- **operation:** document
- **citation:** PHMSA Hazmat Incident E-2025050426
- **title:** PHMSA Hazmat Incident E-2025050426 — AMMONIA ANHYDROUS — RUSSELL, KY
- **source type:** incident
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** historical
- **official:** true
- **published on:** Not available
- **effective on:** 2025-05-20
- **summary:** Serious reporter-submitted hazardous materials transportation incident on 2025-05-20 in RUSSELL, KY.
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- **source url:** https://portalpublic.phmsa.dot.gov/analytics/saw.dll?Portal?PortalPath=/shared/Public%20Website%20Pages/_portal/Hazmat%20Incident%20Report%20Search
**body:**

PHMSA hazardous materials incident report E-2025050426.
Incident date: 2025-05-20.
Location: RUSSELL, KY.
Mode: Rail.
Carrier/reporter: CSX TRANSPORTATION, INC..
Shipper: PCS Sales (USA) Inc.
Materials: UN1005; AMMONIA ANHYDROUS; hazard class 2.2; 6.684 GCF released.
What failed: Pressure Relief Valve or Device - Reclosing.
How failed: Leaked.
Reported failure causes: Defective Component or Device.
Reported result: 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.
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