DRC-2009-007842 - 0901a06880361a28

Ptiils^ Mits^ySA) Corp.
_ l)tiivtr, CO ^Ifl^ - .
DENISON-^ . ^ USA
MINES Tn^mm^
October 5, 2009
VIA E-MAIL AND OVERNIGHT DEUVERY
Mr. Dane L Fineffrock
Executive Secretary
Utah Radiation Controf Board
Department of Environrnental Quality
168 North 1950 West
POBox 144810
Salt Lake City, Utah 84114-4810
Re: Denison Mines (USA) Corp.
State of Utah 11e.{2) Byproduct Material Ucense # UTI 900479
White Mesa Mill, Blanding. Utah
License Condition Number 9.5-- Surety Update - REVISION
Dear Mr. Finerfrock:
Pursuant to License Condition No. 9.5 of State of Utah 11a.{2) Bypn^duct Material License #UT1900479; please
find enclosed a copy of additionat revisions to the revised reclamation and decommissioning cost estimate in
support of the surety bond on the White Mesa Mill The revision is in response to the August 17, 2009, letter
from Dave Rupp, requesting clarification and additional information on the February 2009 surety update.
Individual comments from Mr. Rupp are restated, in italics, below, followed by an explanation of the change^^
modifications made to the cost estimate.
Costs for decommissioning and removal of all additional new tank facilities, DUSA 's response to Item
1.a, ofour letter of May 21, 2009 stated that,'Additional costs have been Iricluded in the Mill Diecom^^^
section, 'Msc, Tankage & Spare Parts Removal**, of the estimate, to cover the demolition and disposal of the
newly constructed uranium and vanadium SX feed tanks and the SX raffinate tank. The total manpower and
equipment hours were increased by 50% to cover the additiona
Comment: After review ofthe July 27, 2009 DUSA submittal, it appears the 50% adiustments were erroneously
omiUedr and the submitted costs showed^^^