The National Transportation Safety Board (NTSB) has concluded that the decision to conduct a "vent and burn" of vinyl chloride after the East Palestine train derailment was unjustified. NTSB Chair Jennifer Homendy stated that key decision-makers lacked critical information, including expert opinions from Oxy Vinyls, the chemical's manufacturer, which suggested no dangerous chemical reaction was occurring. This action, alongside other chemical spills and fires, has caused lingering health concerns among residents.
The investigation found that Norfolk Southern misinterpreted pressure data on the vinyl chloride cars, as temperatures in those containers had actually declined. Furthermore, Norfolk Southern did not promptly notify first responders about the hazardous materials, causing them to remain at the site longer than necessary immediately after the accident. The NTSB described the information provided by Norfolk Southern officials and contractors as "incomplete and misleading."
The derailment itself, involving 38 rail cars including 11 hazardous material tank cars, was caused by a defective wheel bearing on a rail car. The train crew received a hot bearing warning only when the train passed over a detector in East Palestine, too late to prevent the axle failure. The NTSB issued numerous safety recommendations to various entities, including the Department of Transportation, Norfolk Southern, and emergency management agencies, addressing issues like inadequate wayside monitoring systems, insufficient emergency response training, and the use of certain tank cars for hazardous materials.
Norfolk Southern has paid a $310 million settlement to the government and a $600 million settlement to East Palestine residents. Despite no fatalities or injuries from the initial crash, the NTSB emphasized that the absence of immediate casualties does not equate to safety, noting that the controlled burn was unnecessary and has left residents with significant long-term consequences and fears.
