DRC-2023-076456 - 0901a068812bae4d

DRC-2023-076456 195 North 1950 West • Salt Lake City, UT Mailing Address: P.O. Box 144880 • Salt Lake City, UT 84114-4880 Telephone [phone] • Fax [phone] • T.D.D. 711 www.deq.utah.gov Printed on 100% recycled paper
State of Utah
SPENCER J. COX Governor DEIDRE HENDERSON Lieutenant Governor
Department of Environmental Quality
Kimberly D. Shelley Executive Director DIVISION OF WASTE MANAGEMENT AND RADIATION CONTROL Douglas J. Hansen Director November 22, 2023

Kathy Weinel, Quality Assurance Manager Energy Fuels Resources (USA) Inc.
225 Union Blvd., Suite 600
Lakewood, CO 80228 RE: Review of the 3rd Quarter 2023 (July to September) DMT Performance Standards Monitoring Report and Cell 4A and 4B BAT Performance Standards Monitoring Report
Groundwater Discharge Permit UGW 370004 and Radioactive Materials License UT 1900479,
Amendment 10 Energy Fuels Resources, Inc. (EFR), White Mesa Mill, Blanding, Utah Dear Ms. Weinel:

The Division of Waste Management and Radiation Control (Division) has completed its review of the
DMT Performance Standards Monitoring Report and Cell 4A and 4B BAT Performance Standards Monitoring Report (DRC-2023-075724) for the third Quarter of 2023, dated November 6, 2023, and received on November 8, 2023. The Division hereby approves the submission.

If you have any questions, please call Heather Mickelson at 385-499-4875. Sincerely,

Phil Goble, Uranium Mills and Radioactive Materials Manager Division of Waste Management and Radiation Control
PRG/HLM/jk