DRC-2024-004526

DRC-2024-004526 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 February 26, 2024

Kathy Weinel Energy Fuels Resources (USA), Inc.
225 Union Blvd., Suite 600
Lakewood, CO 80228 RE: June 21, 2023 Nitrate Corrective Action Comprehensive Monitoring Evaluation White Mesa Uranium Mill, near Blanding, Utah
Energy Fuels Resources (USA) Inc., UDEQ Docket No. UGW12-04 Modifications and Closeout Letter Dear Ms. Weinel:
The Division of Waste Management and Radiation Control (Division) has completed its review of the
June 21, 2023 Nitrate Corrective Action Comprehensive Monitoring Evaluation (CACME) Report (Report). The review was based on compliance with the following:

• Stipulation and Consent Order Docket No. UGW12-04 (SCO) for Energy Fuels Resources (USA) Inc., signed December 12, 2012.
• HYDRO GEO CHEM, INC., Corrective Action Plan for Nitrate White Mesa Uranium Mill
near Blanding Utah (CAP), May 7, 2012.
• Revised Phase III Nitrate Corrective Action Planning Document and Recommended Phase III Corrective Action, White Mesa Uranium Mill Near Blanding, Utah. (Phase III), December 13, 2018.

The Division’s review concluded that the Report appeared to be in compliance with the SCO, CAP, and Phase III. This letter constitutes a closeout of the June 21, 2023 Nitrate Corrective Action Comprehensive Monitoring Evaluation Report.

(Over)

If you have any questions, please contact Dean Henderson at [phone].
Sincerely,

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

c: Grant Sunada, Health Officer, San Juan County Health Department Russell Seeley, District Engineer, UDEQ