DRC-2023-071336 - 0901a0688126794f

DRC-2023-071336 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

September 6, 2023

Kathy Weinel, Quality Assurance Manager
Energy Fuels Resources (USA), Inc.
225 Union Blvd., Suite 600
Lakewood, CO 80228

RE: The May 18, 2023, 1st Quarter, 2023 Chloroform Monitoring Report, Closeout Letter,
Groundwater Quality Discharge Permit Number UGW370004

Dear Ms. Weinel:

The Division of Waste Management and Radiation Control (Division) has completed the review of the
May 18, 2023, 1st Quarter, 2023 Chloroform Monitoring Report (Report).

The review was based on compliance with the following:

1. The EFR Quality Assurance Plan (QAP) June 5, 2019 (Revision. 7.5)
2. Groundwater Discharge Permit Number UGW370004 (Permit). Permit version that was 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 Permit, QAP, and
GCAP.

This letter constitutes a closeout of the May 18, 2023, 1st Quarter, 2023 Chloroform Monitoring Report.

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

Sincerely,

Phil Goble, Uranium Mills and Radioactive Materials Manager
Division of Waste Management and Radiation Control
(Over)

PRG/DCH/wa

c: Grant Sunada, Health Director, San Juan Public Health Department
Ronnie Nieves, Environmental Health Director, San Juan Public Health Department
Russell Seeley, District Engineer, UDEQ