# PHMSA Hazmat Incident I-2003050412 — ARGON, REFRIGERATED LIQUID (CRYOGENIC LIQUID) — CASA GRANDE, AZ

- **operation:** document
- **citation:** PHMSA Hazmat Incident I-2003050412
- **title:** PHMSA Hazmat Incident I-2003050412 — ARGON, REFRIGERATED LIQUID (CRYOGENIC LIQUID) — CASA GRANDE, AZ
- **source type:** incident
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** historical
- **official:** true
- **published on:** Not available
- **effective on:** 2003-04-22
- **summary:** Serious reporter-submitted hazardous materials transportation incident on 2003-04-22 in CASA GRANDE, AZ.
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**body:**

PHMSA hazardous materials incident report I-2003050412.
Incident date: 2003-04-22.
Location: CASA GRANDE, AZ.
Mode: Rail.
Carrier/reporter: UNION PACIFIC RAILROAD CO.
Shipper: AIR LIQUIDE AMERICAS CORP.
Materials: UN1951; ARGON, REFRIGERATED LIQUID (CRYOGENIC LIQUID); hazard class 2.2; 150 LGA released.
Reported result: Spillage, 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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