DRC-2025-001867

June 11, 2025
Kathy Weinel
Director of Regulatory Compliance
Energy Fuels Resources (USA), Inc.
225 Union Blvd., Suite 600
Lakewood, Co 80228RE: Closeout Letter forFebruary 17, 2024, 4th Quarter, 2024Nitrate Monitoring ReportGroundwater Discharge Permit Number UGW370004 Project Number 479-2025-010
Dear Ms. Weinel:
The Division of Waste Management and Radiation Control (Division) has completed the review of the February 17, 2025, 4th Quarter, 2024Nitrate Monitoring Report(DRC-2024-005586).
The review was to determine compliance with the following:1. The EFR Quality Assurance Plan (QAP) dated February 15, 2022 (Revision. 7.7)2. Groundwater Discharge Permit No. UGW370004
(Permit). Permit version that was signed on March 8, 2021.3. White Mesa Uranium Mill Groundwater Corrective Action Plan (GCAP) Revision 0, dated September 14, 2015.
The Division review concluded that the Report appeared to be in compliance with the Permit, QAP, and GCAP. This letter constitutes a closeout of February 17, 2025, 4th QuarterNitrate
Monitoring Report.
If you have any questions, please contact Dean Henderson at [phone] or [e-mail].
Sincerely,
Adam Wingate, Uranium Recovery Manager
Division of Waste Management and Radiation Control
AJW/DCH/wa
c:Dennis Shumway, San Juan Public Health Department
Mike Moulton, San Juan Public Health Department
Curtis Page, P.E., District Engineer, UDEQ
Kathy Weinel, Director of Regulatory Compliance, Energy Fuels Resources (USA) Inc.
(Email and Hard Copy) [e-mail]
Logan Shumway, Mill Manager, Energy Fuels Resources (USA) Inc.
(Email) [e-mail]