PHMSA Hazmat Incident X-2022020826 — ARGON, REFRIGERATED LIQUID (CRYOGENIC LIQUID) — VANCOUVER, WA

Current as of 2022-02-03 Government source

Pipeline and Hazardous Materials Safety AdministrationOfficial agency material

View source

Incident X-2022020826PHMSA hazardous materials incident report X-2022020826. Incident date: 2022-02-03. Location: VANCOUVER, WA. Mode: Rail. Carrier/reporter: BNSF RAILWAY COMPANY. Shipper: Air Liquide Industrial US. Materials: UN1951; ARGON, REFRIGERATED LIQUID (CRYOGENIC LIQUID); hazard class 2.2; 16172.875 LGA released. What failed: Pressure Relief Valve or Device - Reclosing. How failed: Vented. Reported failure causes: Over-pressurized. 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.#

This material provides agency context. It does not replace binding regulatory text, and its legal effect depends on the underlying authority and facts.