PHMSA Hazmat Incident X-2025081952 — ARGON, REFRIGERATED LIQUID (CRYOGENIC LIQUID) — DENISON, TX

Current as of 2025-08-22 Government source

Pipeline and Hazardous Materials Safety AdministrationOfficial agency material

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Incident X-2025081952PHMSA hazardous materials incident report X-2025081952. Incident date: 2025-08-22. Location: DENISON, TX. Mode: Rail. Carrier/reporter: UNION PACIFIC RAILROAD COMPANY INC. Shipper: Airgas USA. Materials: UN1951; ARGON, REFRIGERATED LIQUID (CRYOGENIC LIQUID); hazard class 2.2; 16520 LGA released. What failed: Liquid Line. How failed: Leaked. Reported failure causes: Broken Component or Device. 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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