{"operation":"document","citation":"PHMSA Hazmat Incident X-2017090019","title":"PHMSA Hazmat Incident X-2017090019 — SODIUM HYDROXIDE, SOLUTION — Calgary, TX","source_type":"incident","agency":"Pipeline and Hazardous Materials Safety Administration","status":"historical","official":true,"published_on":null,"effective_on":"2017-08-21","summary":"Serious reporter-submitted hazardous materials transportation incident on 2017-08-21 in Calgary, TX.","machine_formats":{"json":"https://regulus.evalyn.ai/document/phmsa-hazmat-incident-x-2017090019.json","markdown":"https://regulus.evalyn.ai/document/phmsa-hazmat-incident-x-2017090019.md"},"app_url":"https://regulus.evalyn.ai/document/phmsa-hazmat-incident-x-2017090019","source_url":"https://portal.phmsa.dot.gov/PDFGenerator/getPublicReport/OHMIR_5800-1-PUBLIC?INCIDENTID=WAEH9GzLEqhKaoVcosZh0A%3D%3D","body":"PHMSA hazardous materials incident report X-2017090019.\nIncident date: 2017-08-21.\nLocation: Calgary, TX.\nMode: Rail.\nCarrier/reporter: BNSF Railway Company.\nShipper: Westlake Vinyls Company, LP.\nMaterials: UN1824; SODIUM HYDROXIDE, SOLUTION; hazard class 8; 500 LGA released.\nWhat failed: Pressure Relief Valve or Device - Reclosing.\nHow failed: Torn Off or Damaged.\nReported failure causes: Derailment.\nReported result: Spillage.\nReporter-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.","truncated":false,"body_characters":715}