DRC-2021-000022 - 0901a06880dc62eb

DRC-2021-000022 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

L. Scott Baird
Executive Director

DIVISION OF WASTE MANAGEMENT
AND RADIATION CONTROL
Ty L. Howard
Director

January 5, 2021

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

RE: November 17, 2020, White Mesa Mill 2020 Annual Tailings System Wastewater Sampling
Report - Closeout Letter
Ground Water Quality Discharge Permit Number UGW370004

Dear Ms. Weinel:

The Division of Waste Management and Radiation Control (“Division”) has completed the review of the
2020 Annual Tailings System Wastewater Sampling Report dated November 17, 2020 (“Report”).

The review was based on compliance with the following:

1. White Mesa Uranium Mill Ground Water Quality Assurance Plan (“QAP”). Revision 7.5,
dated June 5, 2019.
2. Groundwater Discharge Permit No. UGW370004 (“Permit”). Permit version that was signed on
March 19, 2019.
3. Tailings and slimes Drain Sampling Program (“Plan”) Revision 3.0 dated July 8, 2018.

The Division review concluded that the Report appeared to be in compliance with the Permit, QAP, and
Plan. This letter constitutes a closeout of the 2020 Annual Tailings Systems Wastewater Sampling
Report.

(Over)

If you have any questions, please contact Dean Henderson at [phone].

Sincerely,

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

PRG/DCH/as

c: Kirk Benge, Health Officer, San Juan Public Health Department
Ronnie Nieves, Acting Environmental Health Director, San Juan Public Health Department
Russell Seeley, UDEQ District Engineer