Scientific advice that a new external committee will give the EPA could improve the agency’s chemical policies and help it defend decisions under court challenge, policy analysts say.

“It’s vitally important that EPA has strong, independent scientific advice to inform its decisions,” Trish Koman, a University of Michigan environmental health researcher and former Environmental Protection Agency scientist, told Bloomberg Environment.

The EPA told Bloomberg Environment March 13 it’s poised to announce the slate of individuals selected to serve on...