Senators question Pentagon nominee on chemical cleanups

By Amelia Davidson | 04/09/2025 06:35 AM EDT

“Transparency is key,” said Dale Marks, who would oversee “forever chemical” cleanups at military installations.

Dale Marks speaks during a Senate committee hearing.

Dale Marks, nominee for assistant Defense secretary for energy, installations and environment, during his confirmation hearing. Senate Armed Services Committee

President Donald Trump’s pick to oversee the Pentagon’s environmental initiatives fielded questions from senators Tuesday on his plans to clean up “forever chemicals” at military installations.

Dale Marks, nominated to be assistant secretary of Defense for energy, installations and environment, said that “transparency is key” when it comes to cleanup of per- and polyfluoroalkyl substances (PFAS) that contaminate areas surrounding military sites.

“You have my commitment. If confirmed, we’ll work hard on transparency,” Marks told the Senate Armed Services Committee.

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His response came after questioning from Sen. Gary Peters (D-Mich.) about Marks’ plans to address PFAS, which Peters called a “top priority.”

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