DRC-2016-010201 - 0901a0688066dd43

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

September 29, 2016

Kathy Weinel
Energy Fuels Resources (USA) Inc. (EFR)
225 Union Blvd., Suite 600
Lakewood, CO 80228
RE: Engineering Module 75C, 2nd Quarter, 2016 Discharge Minimization Technology Performance
Standards Monitoring Report and Cell 4A and Cell 4B Best Available Technology Performance
Standards Monitoring Report: Findings and Closeout
Ground Water Quality Discharge Permit UGW370004 Dear Ms. Weinel:

The Division of Waste Management and Radiation Control has completed its review of the 2nd Quarter,
2016 Discharge Minimization Technology Performance Standards Monitoring Report and Cell 4A and Cell 4B Best Available Technology Performance Standards Monitoring Report. Based on this review,
there are no issues requiring further investigation. The review of the Report 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: Rick Meyer, Acting, Health Officer/Environmental Health Director, San Juan Public Health Scott Hacking, P.E., DEQ District Engineer
DRC-2016-010201 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