WASHINGTON (AP) — The Senate narrowly confirmed a lawyer for the petrochemical industry on Thursday to a key post at the Environmental Protection Agency to oversee air pollution regulations affecting his former clients.

William Wehrum was approved on a vote of 49 to 47 to serve as assistant administrator for air and radiation. He previously served as a regulator at EPA under President George W. Bush.

Republican moderate Sen. Susan Collins of Maine joined Democrats in voting against President Donald Trump's nominee. Four senators, two from each party, did not vote.

Wehrum is expected to help ad...