DRC-2024-005147

DRC-2024-005147 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

April 5, 2024

Kathy Weinel, Director of Regulatory Compliance
Energy Fuels Resources (USA), Inc.
225 Union Blvd., Suite 600
Lakewood, CO 80228

RE: Closeout Letter for February 15, 2024, 4th Quarter 2023 Chloroform Monitoring Report
Groundwater Discharge Permit Number UGW370004

Dear Ms. Weinel:

The Division of Waste Management and Radiation Control (Division) has completed its review of the 4th
Quarter 2023 Chloroform Monitoring Report dated February 15, 2024 (DRC-2024-004574).

The review was based on compliance with the following:

1. Energy Fuels Resources (USA), Inc. Quality Assurance Plan (QAP), dated February 15, 2019
(Revision. 7.7)
2. Groundwater Discharge Permit No. UGW370004 (Permit). Permit version signed on
March 19, 2019.
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 QAP, Permit, and
GCAP. This letter constitutes a closeout of the 4th Quarter 2023 Chloroform Monitoring Report.

If you have any questions, please contact Dean Henderson at 385-499-4443.

Sincerely,

Adam Wingate, Uranium Recovery Manager
Division of Waste Management and Radiation Control
(Over)

AJW/DCH/wa

c: Grant Sunada, Health Director, San Juan Public Health Department
Kathy Weinel, Director, Regulatory Compliance, Energy Fuels Resources (USA) Inc.
(Hard Copy and Email)