U.S. claims authorities are testing the air around the clock in Ohio

This, according to RIA Novosti, said the head of the US Environmental Protection Agency (EPA) Michael Regan.

“We are testing air quality around the clock,” Regan said.

In addition, the authorities offer testing services for in-state homes, the politician added.

On February 16, a wagon loaded with chemicals derailed in the United States.

It was also reported that Ohio residents filed a lawsuit against the railway operator for damages from the derailment of a train with chemicals.