DRC-2023-004089 - 0901a068811f076a

DRC-2023-004089 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

May 15, 2023

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

RE: Energy Fuels Resources, White Mesa Uranium Mill February 6, 2023, 4th Quarter 2022
Groundwater Monitoring Report, and February 1, 2023, Notice Pursuant to Part I.G.1(a).
Utah Groundwater Discharge Permit No. UGW370004

Dear Ms. Weinel:

The Division of Waste Management and Radiation Control (Division) has reviewed the following
documents submitted by Energy Fuels Resources (USA) Inc. (EFR) Regarding the White Mesa Uranium
Mill (Mill):

1. EFR, February 6, 2023, Transmittal of 4th Quarter 2022 Groundwater Monitoring Report
Groundwater Quality Discharge Permit UGW370004 White Mesa Uranium Mill
(Received by the Division on February 13, 2023).
2. EFR, February 1, 2023, State of Utah Ground Water Discharge Permit No. UGW370004 White
Mesa Uranium Mill – Notice Pursuant to Part I.G.1(a).

The review was conducted to ensure compliance with all applicable parts of Utah Groundwater
Discharge Permit No. UGW370004 (Permit) issued for the White Mesa Uranium Mill located in
Blanding, Utah.

EFR 4th Quarter 2022 Groundwater Monitoring Report Close-out:

Based on review of the EFR February 6, 2023, 4th Quarter 2022 Groundwater Monitoring Report, it
appears that all applicable requirements of the Permit were met. Therefore, the review is hereby closed
out.

(Over)

EFR Notice Pursuant to Part I.G.1(a) – Close-out:

Based on review of the EFR February 1, 2023, Notice Pursuant to Part I.G.1(a), it appears that all
requirements of the Permit were met. Therefore, the review is hereby closed out.

If you have any questions, please call Christopher Leahy at 385-602-5505.

Sincerely,

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

PG/CL/wa

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