More than five million people whose drinking water comes from the Ohio River could see a plume of toxic chemicals flowing toward their local water intakes after a train derailment on the border between Ohio and Pennsylvania led to a toxic spill.
During the initial phase of the incident—which saw emergency responders forced to burn vinyl chloride off to avoid an explosion—toxic chemicals seeped into the nearby Sulphur Run waterway and made their way downstream into the Ohio River, Environmental Protection Agency (EPA) officials said on Tuesday.
However, both they and local water boards that draw their supply from the major U.S. river have stressed that they are confident drinking water would not be contaminated, saying they have implemented preventative measures.
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