{"operation":"document","citation":"PHMSA Hazmat Incident X-2025111273","title":"PHMSA Hazmat Incident X-2025111273 — SODIUM HYDROXIDE, SOLUTION — BAYTOWN, TX","source_type":"incident","agency":"Pipeline and Hazardous Materials Safety Administration","status":"historical","official":true,"published_on":null,"effective_on":"2025-10-01","summary":"Serious reporter-submitted hazardous materials transportation incident on 2025-10-01 in BAYTOWN, TX.","machine_formats":{"json":"https://regulus.evalyn.ai/document/phmsa-hazmat-incident-x-2025111273.json","markdown":"https://regulus.evalyn.ai/document/phmsa-hazmat-incident-x-2025111273.md"},"app_url":"https://regulus.evalyn.ai/document/phmsa-hazmat-incident-x-2025111273","source_url":"https://portal.phmsa.dot.gov/PDFGenerator/getPublicReport/OHMIR_5800-1-PUBLIC?INCIDENTID=xsrvoKs5jo4NMy%2BCfSIoJQ%3D%3D","body":"PHMSA hazardous materials incident report X-2025111273.\nIncident date: 2025-10-01.\nLocation: BAYTOWN, TX.\nMode: Rail.\nCarrier/reporter: UNION PACIFIC RAILROAD COMPANY INC.\nShipper: Shentech.\nMaterials: UN1824; SODIUM HYDROXIDE, SOLUTION; hazard class 8; 14050 LGA released.\nWhat failed: Tank Shell.\nHow failed: Leaked.\nReported failure causes: Human Error.\nReported result: Spillage, Material Entered Waterway/Storm Sewer, Environmental Damage.\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":728}