Chemicals released during the Norfolk Southern train derailment in East Palestine, Ohio, on February 3, 2023, including vinyl chloride, spread to 16 states and possibly Canada, as revealed by a study published in Environmental Research Letters.

Toxic chemicals released during fires following the Norfolk Southern train derailment in Ohio last year spread to 16 states and likely Canada, according to a study released Wednesday.

The pollution, some of which came from the burning of vinyl ...