{"operation":"document","citation":"PHMSA Hazmat Incident X-2021070033","title":"PHMSA Hazmat Incident X-2021070033 — SULFURIC ACID, SPENT — ROXANA, IL","source_type":"incident","agency":"Pipeline and Hazardous Materials Safety Administration","status":"historical","official":true,"published_on":null,"effective_on":"2021-07-02","summary":"Serious reporter-submitted hazardous materials transportation incident on 2021-07-02 in ROXANA, IL.","machine_formats":{"json":"https://regulus.evalyn.ai/document/phmsa-hazmat-incident-x-2021070033.json","markdown":"https://regulus.evalyn.ai/document/phmsa-hazmat-incident-x-2021070033.md"},"app_url":"https://regulus.evalyn.ai/document/phmsa-hazmat-incident-x-2021070033","source_url":"https://portal.phmsa.dot.gov/PDFGenerator/getPublicReport/OHMIR_5800-1-PUBLIC?INCIDENTID=Yc2vvpg083RiM3QzjuOr1Q%3D%3D","body":"PHMSA hazardous materials incident report X-2021070033.\nIncident date: 2021-07-02.\nLocation: ROXANA, IL.\nMode: Rail.\nCarrier/reporter: NORFOLK SOUTHERN.\nShipper: Phillips 66 WRB Refinery.\nMaterials: UN1832; SULFURIC ACID, SPENT; hazard class 8; 12.5 LGA released.\nWhat failed: Pressure Relief Valve or Device - Reclosing; Pressure Relief Valve or Device - Reclosing.\nHow failed: Vented; Vented.\nReported failure causes: Commodity Polymerization; Over-pressurized.\nReported result: Vapor(Gas) Dispersion.\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":787}