Document V3rngnXb5j8DRwzzo9M34qqDo

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY WASHINGTON, D.C., 20460 SEP 2 7 2017 OFFICE OF ENFORCEMENT AND COMPLIANCE ASSURANCE Dear Thank you for your letter of May 21.2017. to the IJ.S Fnvironmental Protection Agency regarding the Devon Energy permitting matter. I have been asked to respond on behalf of Administrator Pruitt. The Agency is committed to ensure compliance with our environmental laws and regulations and to set permit limits that are protective of human health and the environment. We are working as expeditiously as possible with the State of Wyoming and the Department of Justice to resolve this issue. Sincerely, Phillip Brooks Director. Air Enforcement Division