# PHMSA Hazmat Incident E-2018100360 — STYRENE MONOMER, STABILIZED — PINE BLUFF, AR

- **operation:** document
- **citation:** PHMSA Hazmat Incident E-2018100360
- **title:** PHMSA Hazmat Incident E-2018100360 — STYRENE MONOMER, STABILIZED — PINE BLUFF, AR
- **source type:** incident
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** historical
- **official:** true
- **published on:** Not available
- **effective on:** 2018-10-06
- **summary:** Serious reporter-submitted hazardous materials transportation incident on 2018-10-06 in PINE BLUFF, AR.
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/phmsa-hazmat-incident-e-2018100360.json
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- **app url:** https://regulus.evalyn.ai/document/phmsa-hazmat-incident-e-2018100360
- **source url:** https://portal.phmsa.dot.gov/PDFGenerator/getPublicReport/OHMIR_5800-1-PUBLIC?INCIDENTID=tLIA%2BXvAHZ0kP17JdZtoew%3D%3D
**body:**

PHMSA hazardous materials incident report E-2018100360.
Incident date: 2018-10-06.
Location: PINE BLUFF, AR.
Mode: Rail.
Carrier/reporter: UNION PACIFIC RAILROAD COMPANY.
Shipper: Westlake Chemical.
Materials: UN2055; STYRENE MONOMER, STABILIZED; hazard class 3; 10 LGA released.
What failed: Vacuum Relief Valve.
How failed: Leaked.
Reported failure causes: Derailment.
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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- **body characters:** 681