DRC-2024-006046

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INSPECTION REPORT
Inspection Module: RADMOD-RWP: Radiation Work Permits

Inspection Location: Energy Fuels - White Mesa Uranium Mill (Mill), Blanding Utah.

Inspection Items: Radiation Work Permits and Supporting Documentation

Inspection Dates: June 11, 2024

Inspectors: Ryan Johnson, Utah Division Waste Management and Radiation Control
(DWMRC)

Personnel Contacted: Garrin Palmer, Radiation Safety Officer (RSO)
Terry Slade, Radiation Safety Technician (RST)

Governing Documents:
UAC R313-15
Radioactive Materials License (RML) UT1900479
Applicable Mill procedures and manuals

Opening Meeting
Energy Fuels Resources:
Garrin Palmer (RSO)
Utah DWMRC:
Ryan Johnson (Health Physics Inspector)
During the opening meeting, the inspector discussed the inspection items and documentation to be
reviewed during the inspection. The Mill is processing Chemours ore at the time of the inspection.
The Mill staff reminded the inspectors of the safety requirements for the Mill.

DRC Meters Used Model Serial Number Calibration Due Date
Dose Rate Bicron 9048 9/18/2024
Inspection Summary
The inspection consisted of reviewing documentation, a mill tour and interviewing Mill staff. The
Mill is processing the Chemours ore. The following discussion provides more detail of the
specific items reviewed.

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Item 1. Documentation Review:The inspector reviewed radiation work permits (RWPs) from
2023
Observations: The DWMRC inspector observed:
The Mill’s RWPs were appropriately filled out and contained the following information:
o A unique identification number;
o The date the RWP was issued;
o A description of the work to be done;
o The location where the work is to be done;
o Identified the personnel working on the job being done and how much time they were
working on the specific job assignment;
o The estimated time that it would take to do the job;
o The personal protective equipment (PPE) requirements for the job;
o The radiological and other occupational monitoring requirements for the job;
o The radiation technician observations and surveillance of the job (when applicable);
and
o The RSO’s signature indicated that he reviewed everything associated with the work
that was done under the RWP.
Other documents attached to the RWPs included:
o The Mill’s Safe Work permits (SWPs), which document occupational safety concerns
(when applicable);
o The Mill’s Confined Space Work permits (when applicable);
o Lock out/tag out information (when applicable);
o Breathing Zone air sample results (when applicable); and
o Bioassay results of personnel working on the RWP (when applicable).

The Mill’s dosimetry documentation for the calendar year of 2023 included:
o The dosimetry logbook that is used to document what happened to the missing OSL
badges (i.e. The employee took the OSL badge home, left the OSL badge in their office
or locker, or lost their OSL badge).
Other documentation associated with dosimetry included;
o The computer spreadsheet that is used to calculate the annual TEDE for each employee.

2023 Occupational Dose High Low Average
OSL Readings 130 0 49
TEDE 400 0 180
All forms that were observed were legible and complete.
Deficiencies: None

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Item 2. Mill Tour:The Inspectors walked through the restricted area on a general site tour. The
tour included the ore pad, the mill, the tailing impoundments, the cover test pads, and the solvent
extraction building.

Observations: The DWMRC inspector also observed:
The product yard containing full yellowcake (uranium) and black-flake (vanadium) drums;
Rare Earth Solvent Extraction in use;
Tailings impoundment 4B full of liquid;
Alternate feed and ore being stockpiled on the ore pad;
All of the Supersaks of the Chemours ore have been processed at the time of the inspection;
OSL badges were appropriately being worn and used by all observed employees at the
Mill;
OSL badges are properly being stored; and
Mill personnel were wearing appropriate PPE.
Radiological readings observed during Mill tour
Location Dose Rate (µrem/hr)
Ore Pad 100-300
Mill 40-100
Tank #1 3,000
Tank #5 3,000
Product Yard (at fence line) 18
Solvent Extraction Building 50
Packaging Room 150
Alternate feed Circuit 18
Silmet 3,000-5,000
Deficiencies: None

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Closeout Meeting
Energy Fuels:
Terry Slade (RST)
Garrin Palmer (RSO)
Utah DWMRC:
Ryan Johnson (Health Physics Inspector)
Findings
None
Recommendations
None
Recommendation for Next Inspection
None
Prepared By: Ryan Johnson 4//2023
(Print Name) (Signature)
Reviewed By: Heather Mikelson 4//2023
(Signature) (Date)
Reviewed By:
(Print Name)
4//2023
(Print Name) (Signature) (Date)