DRC-2018-005423 - 0901a06880839eb1

Energy Fuels Resources (USA) Inc.
225 Union Blvd. Suite 600 Lakewood, CO, US, 80228
303 974 2140
www.energyfuels.com
Div of 'Af;-,S.=2 Management
and Radiation Cortroi
N
-210 -054)23
VIA PDF AND EXPRESS DELIVERY
May 30, 2018
Mr. Scott Anderson
Director
Division of Waste Management and Radiation Control
Utah Department of Environmental Quality
195 North 1950 West
P.O. Box 144880
Salt Lake City, UT 84114-4820
Re: White Mesa Mill Annual Tailings Management System Sampling — Notice Pursuant to Utah
Groundwater Discharge Permit UGW370004.
Dear Mr. Anderson:
Energy Fuels Resources (USA) Inc. is providing this letter to notify the Division of Waste Management and
Radiation Control ("DWMRC") of the White Mesa Mill's tailing solution, slimes drain, and leak detection
system ("LDS") sampling as required by the Utah Groundwater Discharge Permit (the "GWDP") UGW370004.
The sampling event is scheduled for Wednesday August 1, 2018 and, if necessary, Thursday August 2, 2018.
The Mill staff plan to sample consistent with the GWDP and the DWMRC-approved Sampling and Analysis
Plan ("SAP").
If you have any questions or require further assistance, please contact Kathy Weinel at 303-389-4134 or Garrin Palmer
or Tanner Holliday at 435-678-4115.
Yours very truly,
c/e2thil
Kathy Weinel
Quality Assurance Manager
ENERGY FUELS RESOURCES (USA) INC.
cc: Logan Shumway
David Frydenlund
Mark Chalmers David Turk
Scott Bakken
Paul Goranson