# PHMSA Hazmat Incident E-2009120198 — AMMONIA ANHYDROUS — BIG STONE CITY, SD

- **operation:** document
- **citation:** PHMSA Hazmat Incident E-2009120198
- **title:** PHMSA Hazmat Incident E-2009120198 — AMMONIA ANHYDROUS — BIG STONE CITY, SD
- **source type:** incident
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** historical
- **official:** true
- **published on:** Not available
- **effective on:** 2009-11-18
- **summary:** Serious reporter-submitted hazardous materials transportation incident on 2009-11-18 in BIG STONE CITY, SD.
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- **app url:** https://regulus.evalyn.ai/document/phmsa-hazmat-incident-e-2009120198
- **source url:** https://portal.phmsa.dot.gov/PDFGenerator/getPublicReport/OHMIR_5800-1-PUBLIC?INCIDENTID=QJ%2BtDLjQ2WucutCpIhbibg%3D%3D
**body:**

PHMSA hazardous materials incident report E-2009120198.
Incident date: 2009-11-18.
Location: BIG STONE CITY, SD.
Mode: Highway.
Carrier/reporter: CHS Transportation.
Shipper: Cenex.
Materials: UN1005; AMMONIA ANHYDROUS; hazard class 2.2; 0.5013 GCF released.
What failed: Valve Seat.
How failed: Leaked.
Reported failure causes: Vehicular Crash or Accident Damage.
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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- **body characters:** 688