Is it known what caused the train to derail in Ohio?
The National Transportation Safety Board (NTSB) has since said that the derailment appears to have been caused by a mechanical problem on one car, saying a wheel bearing on that car appeared to have overheated.
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Derailments rank as the most common type of accident involving major freight railroads, federal data shows. Equipment failures are increasingly responsible for derailments, and problems with equipment and train tracks accounted for nearly 60% of derailments nationwide last year.
NTSB investigators have identified and examined the rail car that initiated the derailment. Surveillance video from a residence showed what appears to be a wheel bearing in the final stage of overheat failure moments before the derailment.
The investigators' symptoms included sore throats, headaches, coughing and nausea – consistent with what some residents experienced after the February 3 train derailment that released a cocktail of hazardous chemicals into the air, water and soil.
When the train derailed two weeks ago, it sent things like butyl acrylate into the Ohio River. The chemical has a fruity smell and inhaling it can cause headaches, dizziness, nausea and vomiting.
Track Defects are the Most Common CauseTrack defects emerged as the leading cause of train derailments. The significance of continuous infrastructure maintenance and inspections cannot be overstated.
#1 Sri Lanka Tsunami Train WreckThe train, dubbed the Queen of the Sea, was destroyed by the Indian Ocean tsunami on December 26, 2004, in what is now considered the world's deadliest rail tragedy.
On Friday, February 3, 2023, at approximately 9:30 p.m., a Norfolk Southern train had 53 cars derail in East Palestine, Ohio. The site of the derailment is less than one mile from the Pennsylvania border.
Between 170°F and 200°F, warm bearing (non-critical); stop and inspect. A difference between bearings on the same axle greater than or equal to 115°F (noncritical); stop and inspect. Greater than 200°F (critical); set out railcar.
What were the five chemicals the EPA found at the site? On Feb. 10, the EPA sent a letter to Norfolk Southern Railway Company reporting five toxic chemicals found in air, soil, or water surrounding the crash site. They are: vinyl chloride, butyl acrylate, ethylene glycol, isobutylene, and ethylhexyl acrylate.