Toxic chemicals from Ohio train derailment lingered in buildings for months

Enlarge / This video screenshot released by the US National Transportation Safety Board (NTSB) shows the site of a derailed freight train in East Palestine, Ohio. (credit: NTSB/Handout via Xinhua)

On February 3, 2023, a train carrying chemicals jumped the tracks in East Palestine, Ohio, rupturing railcars filled with hazardous materials and fueling chemical fires at the foothills of the Appalachian Mountains.

The disaster drew global attention as the governors of Ohio and...