Twitter users put the GOP pol on blast for a claim about his past.
The transportation board is investigating the railroad giant, which experienced several recent accidents that include the derailment in East Palestine, Ohio.
Experts haven't determined how the drug got into the animal's system.
A Norfolk Southern cargo train derailed between Dayton and Columbus, the second derailment of a company train in the state in a month.
The derailment comes just over a month after a Norfolk Southern freight train derailed in East Palestine, Ohio.
This marks the third REI outpost to unionize over the past year.
Experts say the railroad, which has already weakened public trust by funding flawed water sampling in Ohio, shouldn’t be in charge of testing for dioxins.
“I’ve spoken with every official in Ohio, Democrat and Republican, on a continuous basis, as in Pennsylvania,” the president said.
“It’s not safe here,” said one man, staring straight at representatives of Norfolk Southern. “I’m begging you, by the grace of God, please get our people out of here.”
The Republican furor over a train derailment in Trump country has led to a major bipartisan rail safety bill.