DRC-2021-020722 - 0901a06880fbe9da

DRC-2021-207022 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. [phone]
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

December 7, 2021

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

RE: Engineering Module 75D, Review of the 3rd Quarter 2021 (July-September 2021) DMT
Performance Standards Monitoring Report and Impoundment 4A and Impoundment 4B BAT
Performance Standards Monitoring Report (Report).
Groundwater Discharge Permit (GWDP) UGW370004

Dear Ms. Weinel:

The Division has completed its review of the Third Quarter 2021 DMT Performance Standards
Monitoring Report and Impoundment 4A and Impoundment 4B BAT Performance Standards
Monitoring Report which covers the monitoring period from July through September 2021. The
Division takes no exception to the data presented. The review is, therefore, closed.

If you have any questions, please call Russ Topham at [phone].

Sincerely,

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

PRG/RJT/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
Logan Shumway, Plant Manager, White Mesa Mill