DRC-2020-021721 - 0901a06880f92b43

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State of Utah
GARY R. HERBERT
Governor
SPENCER J. COX
Lieutenant Governor
Department of
Environmental Quality
L. Scott Baird
Interim Executive Director
DIVISION OF WASTE MANAGEMENT
AND RADIATION CONTROL
Ty L. Howard
Director
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MEMORANDUM
TO: Phil Goble /1/44,2_ 0
FROM: Dean Henderson ////§ /V -2-
DATE: November 18, 2020
SUBJECT: Field Inspection and Split Sampling for the 4th Quarter 2020 Chloroform Monitoring Event For
the Energy Fuels Resources
White Mesa Uranium Mill, near Blanding, Utah
This is a Utah Division of Waste Management and Radiation Control ("Division") staff summary on the
inspection of the 4th Quarter 2020 chloroform monitoring event ("Monitoring Event") on November 10 and 11,
2020 for the Energy Fuels Resources (USA), Inc. ("EFR") White Mesa Uranium Mill, near Blanding, Utah.
EFR is required to submit a written report of this Monitoring Event by March 1, 2021. The Monitoring Event
was inspected against the following enforcement documents:
• White Mesa Uranium Mill Ground Water Quality Assurance Plan ("QAP").
Revision 7.5, dated June 5, 2019.
• Groundwater Corrective Action Plan for Nitrate White Mesa Uranium Mill near Blanding Utah
("GCAP'), Revision 0, dated September 14, 2015.
Summary of Inspection
On November 10 and 11, 2020 the Division staff Dean Henderson observed the EFR staff preform groundwater
monitoring activities including the collection of water samples from all the chloroform monitor wells TW4-6, 8,
9, 10, 16, 18, 26, 29, 30, and 33. In addition, the Division staff collected a split water sample from monitor
wells TW4-6, 8, 9, 16, 18, 29, 30, and 33. A duplicate sample was collected at TW4-9 and is identified as
TW4-81. See the photographs decontamination pumping equipment and purging activities in Attachment 1
below.
After the monitoring event was completed a close out meeting was held with the following attendees: Division
staff Dean Henderson and EFR staff Tanner Holliday, Deen Lyman, Garrin Palmer and Terry Slade. In the
meeting the Division staff had observed no problems and had no recommendations.
DRC-20 195 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
Page 2
Conclusion
Based on Division staff observations of EFR staff performing the sampling and monitoring on November 10
and 11, 2020, it appears that EFR appropriately followed the field requirements in the QAP and GCAP. As
stated above, EFR is required to submit a written report of this Monitoring Event on March 1, 2021. The
Division will also review this report and will include sample analysis for this Monitoring Event as part of that
review to complete the inspection of the 4th Quarter 2020 chloroform monitoring event.
Page 3
References
White Mesa Uranium Mill Ground Water Quality Assurance Plan Revision 7.5, dated June 5, 2019.
Groundwater Corrective Action Plan for Nitrate White Mesa Uranium Mill near Blanding Utah,
Revision 0, dated September 14, 2015.
Page 4
Attachment 1
Photographs Decontamination and Purging Activities
Page 5
Decontamination the pumping equipment between purging the wells
Purging wells with the use of pumping equipment.