DRC-2017-000401 - 0901a0688069e22a

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

January 20, 2017

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 November 18, 2016, 3rd Quarter,
2016 Groundwater Monitoring Report; August 5, 2016 Notice Pursuant to Part I.G.1(a).;
and, August 19, 2016 Request for Removal of Certain Groundwater Monitoring
Parameters from Accelerated Monitoring Status. Utah Groundwater Discharge Permit No. UGW370004
Dear Ms. Weinel:

The Division of Waste Management and Radiation Control has completed review of the following Energy Fuels Resources (USA) Inc. (EFR) documents:
1. EFR November 18, 2016, Transmittal of 3rd Quarter 2016 Groundwater Monitoring Report
Groundwater Quality Discharge Permit UGW370004 White Mesa Uranium Mill.
2. EFR, November 11, 2016, State of Utah Ground Water Discharge Permit No. UGW370004 White Mesa Uranium Mill – Notice Pursuant to Part I.G.1(a).
3. EFR November 21, 2016, Removal of Certain Groundwater Monitoring Parameters from
Accelerated Monitoring Status.

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

EFR 3rd Quarter 2016 Groundwater Monitoring Report – Close-out

Based on review of the EFR November 18, 2016 3rd Quarter 2016 Groundwater Monitoring Report, it appears that all applicable requirements of the Permit were met and that the submitted groundwater
monitoring data is reliable. Therefore, the review is hereby closed out.
(Over)
DRC-2017-000401 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
EFR November 11, 2016 Notice Pursuant to Part I.G.1(a) – Close-out
Based on review of the EFR November 11, 2016 Notice, it appears that all requirements of the Permit
were met. Therefore, the review is hereby closed out.
EFR November 21, 2016 Request to Remove Certain Parameters from Accelerated Monitoring
Based on review of the EFR November 21, 2016 Request, EFR requests that certain monitoring well
parameters be returned to baseline monitoring as listed on the table below:
Monitoring Well Parameter Baseline Monitoring Frequency
MW-30 Uranium Quarterly
MW-28 Vanadium Semi-Annually
MW-32 Gross Alpha Semi-Annually

It was noted that the above monitoring well parameters have had sample results below the Permitted Ground Water Compliance Limits (GWCLs) for the most recent eight or more consecutive accelerated sampling events. In accordance with Division policy, accelerated monitoring may be discontinued if at
least eight consecutive samples show concentrations below the GWCL. Therefore, the request to return
to baseline monitoring for the parameters/wells on the table above is hereby approved.
If you have any questions, please call Tom Rushing at [phone].
Sincerely,

Scott T. Anderson, Director
Division of Waste Management and Radiation Control

STA/TR/ka c: Rick Meyer, Acting Health Officer/Environmental Health Director, San Juan Public Health
Scott Hacking, P.E., DEQ District Engineer