DRC-2017-002062 - 0901a068806d544c

State of Utah
GARY R. HERBERT Governor SPENCER J. COX
Lieutenant Governor
Department of
Environmental Quality
Alan Matheson Executive Director DIVISION OF WASTE MANAGEMENT AND RADIATION CONTROL Scott T. Anderson Director

March 31, 2017

Kathy Weinel
Energy Fuels Resources (USA) Inc. (EFR)
225 Union Blvd., Suite 600
Lakewood, CO 80228
RE: Tailings Management System, Revision 2.5
Radioactive Materials License No. UT1900479
Ground Water Quality Discharge Permit UGW370004
Dear Ms. Weinel:

The Division of Waste Management and Radiation Control has completed its review of Revision 2.5 of
Tailings Management System, submitted under cover letter dated March 23, 2017. Based on this
review, there are no issues requiring further modification. The review of the document is closed.
If you have any questions, please call Russ Topham at [phone].

Sincerely,

Scott T. Anderson, Director
Division of Waste Management and Radiation Control
STA/RJT/ka

c: Kirk Benge, Health Officer/Environmental Health Director, San Juan County Health Department
Rick Meyer, Environmental Health Director, San Juan County Health Department
Scott Hacking, P.E., DEQ District Engineer

DRC-2017-002062 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