Document 93b3pwbe9bad4Ka6npg8N28pL

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 6 1201 ELM STREET, SUITE 500 DALLAS, TEXAS 75270 March 25, 2022 Il Kim NGL Water Solutions Permian, LLC 865 Albion Street, Suite 400 Denver, Colorado 80220 Sent via email: il.kim@nglep.com Re: NGL Water Solutions Permian, LLC, Permian Basin Facilities in Texas; Administrative Compliance Order on Consent, Docket No. CAA-06-2021-3375. Dear Mr. Kim: On September 28, 2021, NGL Water Solutions Permian, LLC ("NGL") entered into an Administrative Compliance Order on Consent ("AOC"), Docket No. CAA-06-2021-3375, with the United States Environmental Protection Agency ("EPA") to resolve certain alleged violations of the Texas Administrative Code, which had been adopted into the Texas State Implementation Plan. Pursuant to the AOC, NGL agreed to specific requirements as outlined in paragraph 25 to be completed within ninety (90) days of the AOC Effective Date (i.e., no later than December 28, 2022). EPA has received and reviewed your December 22, 2021, final letter report, required under AOC paragraph 25.c., of all work completed under the AOC. EPA hereby confirms that you have completed all requirements under the AOC satisfactorily. Should you have any questions regarding close-out of this AOC, please contact Aimee Boss at boss.aimee@epa.gov or (214) 665-7397. Sincerely, DARRIN Digitally signed by DARRIN LARSON LARSON Date: 2022.03.26 11:25:50 -05'00' Darrin Larson Chief Air Enforcement Permitting Section Ec: Michel Miller, miller.michael@tceq.texas.gov