DRC-2015-001982 - 0901a068805175c1

Department of
Environmental Quality
Amanda Smith
Executive Director
State of Utah DIVISION OF RADIATION CONTROL
Rusty Lundberg
Director GARY R HERBERT
Governor
SPENCERJ COX
Lieutenant Governor
DRC-2015-001982
March 31, 2015
Kathy Weinel, Quality Assurance Manager
Energy Fuels Resources (USA) Inc.
225 Union Boulevard, Suite 600
Lakewood, Colorado 80228
RE: Geotechnical Review of Energy Fuels Resources (USA) Inc., White Mesa Mill, Tailings
Data Analysis Report dated March 2015, and Probabilistic Seismic Hazard Analysis
Report dated March 2015, RML# UT 1900479, San Juan County, Utah
Dear Ms. Weinel:
Please find enclosed the Utah Division of Radiation Control (DRC) Technical Memorandum on
the geotechnical review of the revised MWH Americas, Inc. (MWH) Tailings Data Analysis
(TDA) Report dated March 2015. Additionally included herein is the Technical Memorandum
document regarding AECOM's (formerly URS) review comments on the same Tailings Data
Analysis Report, and the revised Probabilistic Seismic Hazard Analysis Report dated March 2015
prepared by MWH for Energy Fuels Resources (USA) Inc. (EFRI). The DRC has no additional
comments on the Probabilistic Seismic Hazard Analysis (PSHA) report. Prior versions of these
reports by MWH were previously dated October 2014 and July 2014, respectively.
The Tailings Data Analysis Report was prepared pursuant to the MWH July 2013, White Mesa
Mill Tailings Characterization and Analysis Work Plan. The Probabilistic Seismic Hazard
Analysis report was prepared pursuant to DRC's February 2013 review comments on EFRI's
August 2012 responses to DRC's Round 1 Interrogatories for the White Mesa Reclamation Plan
Each of the March 2015 reports include revisions addressing many of the review comments
submitted to EFRI by the DRC in January 22, 2015. However, some outstanding concerns still
remain that need to be further resolved or clarified. We anticipate that the License will be able to
respond to these review comments by April 17, 2015. It is our expectation that the responses will
Rev. 5.0.
195 North 1950 West • Salt Lake City, UT
Mailing Address P O Box 144850 • Salt Lake City, UT 84114-4850
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