Senators Sheldon Whitehouse (D-RI), Tom Harkin (D-IA), Ben Cardin (D-MD), and Richard Blumenthal (D-CT), along with Representatives Henry Waxman (D-CA) and Ed Markey (D-MA) sent a letter to Office of Management and Budget Director Sylvia Burwell June 5, advocating for the Office of Information and Regulatory Affairs to finish the reviews of several energy and environment regulations. The letter cited 14 Environmental Protection Agency rules that have been under review for more than 90 days and nine Department of Energy rules that have been considered for more than 120 days.