DRC-2009-001345 - 0901a068801148ac

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Oentoon Mliws (USA) Corp.
109017th Street, Suite 950
DENISON [#^^ ^
1^1 NES Tel: [phone]
PM:303 389412S
www.(leni80iiiiilne9.coni
April 28, 2009
Sent Via Electronic Mail (PDF) and Federal Express
Dane L. Finerfrock, Executive Secretary
Utah Radiation Control Board
Utah Department of Environmental Quality
168 North 1950 West
P.O. Box 144810
Salt Lake City, Utah 84114-4810
Dear Mr. Finerfrock:
Re: White Mesa Mill-2008 Engineering Inspection Module 75E
DRC Confirmatory Action Letter Dated March 26, 2009
Pursuant to the above-captioned DRC Confirmatory Action Letter please find enclosed the
revised inspection form ("Monthly Inspection Data") constituting page 25 ofthe DMT
Monitoring Plan w^hereby the term "Sedimentation Pond" has been replaced by the descriptor
"Roberts Pond". Also enclosed (and as requested by DRC in its Confirmatory Action Letter) is
an updated current map ofall Mill reagent areas showing the current tanks, their capacities and
the materials stored in those tanks.
If you should have any questions regarding the information provided with this letter please
contact me.
Yours very truly.
DENISON MINES (USA) CORP.
Steven D. Landau
Manager, Envirorunental Affairs
Cc Ron F. Hochstein
Harold R. Roberts
David C. Frydenlund
David E. Turk
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Inspector:
Date:
1. Slurry Pipeline:
APPENDIX A (CONT.)
MONTHLY INSPECTION DATA
Pipe Thickness:^ (To be measured only during periods when the Mill is operating)
2. Diversion Ditches and Diversion Berm:
Observation:
Diversion Ditches:
Sloughing
Erosion
Undesirable
Vegetation
Obstruction of
Flow
Diversion Berm:
Stability Issues
Signs of Distress
Comments:
Diversion Ditch 1
yes
yes
yes
yes
no
no
no
no
Diversion Ditch 2
yes
yes
yes
yes
no
no
no
no
Diversion Di
yes
yes
yes
yes
tch 3
no
no
no
no
_yes_
_yes_
no
no
3. Summary of Activities Around Roberts Pond:
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