Petroleum based chemicals float on the top of the water in Leslie Run creek after being agitated from the sediment on the bottom of the creek on February 20, in East Palestine, Ohio.
Mandatory Credit:	Michael Swensen/Getty Images

Petroleum based chemicals float on the top of the water in Leslie Run creek after being agitated from the sediment on the bottom of the creek on February 20, in East Palestine, Ohio.
Mandatory Credit: Michael Swensen/Getty Images

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EPA chief returns to the site of a toxic train wreck as Ohio opens a health clinic for residents reporting symptoms

The nation's top environmental official is headed to East Palestine, Ohio, where the state is opening a clinic Tuesday to address residents' health concerns two weeks after the fiery derailment of a train carrying toxic chemicals.