From a press release:
Vitter: New Richard Windsor Emails Show EPA's Transparency Problem More Widespread
New emails show acting Administrator Perciasepe used non-official email to conduct official business. EPA Region 8 Administrator, who is resigning this week, is being investigated for the same problem.
(Washington, D.C.) – U.S. Sen. David Vitter (R-La.), the top Republican on the Senate Environment and Public Works Committee (EPW), today released findings from the Environmental Protection Agency’s (EPA) second tranche of Richard Windsor emails.