DRC-2018-009912 - 0901a068808e27df

DRC-2018-009912 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
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 28, 2018 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; August 29, 2018 2nd Quarter 2018
Groundwater Monitoring Report; August 3, 2018 Notice Pursuant to Part I.G.1(a), August 3,
2018 Request to Return Certain Groundwater Monitoring Parameters to Baseline Monitoring Frequency Utah Groundwater Discharge Permit No. UGW370004 Dear Ms. Weinel:
The Division of Waste Management and Radiation Control has completed its review of the following Energy Fuels Resources (USA) Inc. (EFR) documents: 1. EFR, August 29, 2018, Transmittal of 2nd Quarter 2018 Groundwater Monitoring Report
Groundwater Quality Discharge Permit UGW370004 White Mesa Uranium Mill. 2. EFR, August 3, 2018, State of Utah Ground Water Discharge Permit No. UGW370004 White Mesa Uranium Mill – Notice Pursuant to Part I.G.1(a). 3. EFR, August 3, 2018, State of Utah Ground Water Discharge Permit No. UGW370004 White
Mesa Uranium Mill – Removal of Certain Groundwater Monitoring Parameters from
Accelerated Monitoring Status. The review was conducted to ensure compliance with all applicable parts of Groundwater Discharge Permit No. UGW370004 (Permit) issued to the White Mesa Uranium Mill.
EFR 2nd Quarter 2018 Groundwater Monitoring Report – Close-out: Based on review of the EFR August 29, 2018 2nd Quarter 2018 Groundwater Monitoring Report, all applicable requirements of the Permit were met and the submitted groundwater monitoring data is
reliable. Therefore, the review is hereby closed out.
(Over)

EFR Notice Pursuant to Part I.G.1(a) – Close-out: Based on review of the EFR August 3, 2018 Notice, all requirements of the Permit were met. Therefore, the review is hereby closed out.
EFR August 3, 2018 Request to Remove Certain Parameters from Accelerated Monitoring Based on review of the EFR August 3, 2018 Request, EFR requests that certain monitoring well parameters be returned to baseline monitoring as listed on the table below:
Monitoring Well Parameter Number of Consecutive Sample Results Below the GWCL Baseline Monitoring Frequency
MW-11 Sulfate 8 Quarterly
It was noted that the above monitoring well parameter has had sample results below the Permitted Ground Water Compliance Limits (GWCLs) for the most recent eight consecutive accelerated sampling events. In accordance with past Division protocols, 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 well/parameter 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: Kirk Benge, Health Officer, San Juan Public Health Department Rick Meyer, Environmental Health Director, San Juan Public Health Department Scott Hacking, P.E., DEQ District Engineer