DRC-2011-002864 - 0901a0688021219e

State of Utah
GARY R. HERBERT
GREG BELL
Lieutenant Governor
March 14, 2011
Department of
Environmental Quality
Amanda Smith
Executive Director
DIVISION OF RADIATION CONTROL
Rusty Lundberg
Director
CERTIFIED MAIL
(Return Receipt Requested)
Ms. Jo Ann Tischler
Director, Compliance and Permitting
Denison Mines (USA) Corp. (DUSA)
1050 Seventeenth Street, Suite 950
Denver, CO 80265
Dear Ms. Tischler:
011-002864
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RE: 3/14/11; response to 2/25/09, closeout/ DR
Jo Ann Tischler
Denison Mines (USA) Corp
1050 Seventeenth ST. STE 950
Denver, Co 80265
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SUBJECT: April 23, 2010 DUSA Letter Response to February 25, 2009 [2010] DRC Request
for Information Letter; September 30, 2009 Annual Technical Evaluation [The
Annual Technical Evaluation Report (ATER)] ofthe White Mesa Mill Tailings
Management System for the period of August 2008 through July 2009; Closeout
Letter
We received the subject DUSA letter dated April 23, 2010. This letter was sent in response to our
subject Request for Information letter dated February 25, 2009 [2010].
In the subject April 23, 2010 DUSA response letter, DUSA makes several commitments. These
are enumerated below, and include the following:
1 A. "The Settlement Monitor map will be updated for the 2010 ATER and the monitoring data
will be included in the report."
IB. Comments from previous comment letters, as applicable, will be carried forward into
future ATER reports."
3B. As part of the recent proposed modifications to the Radioactive Material License No. UT
1900479 (DRC-04), DUSA committed to provide DRC with a "Movement (Displacement)
Monitoring Standard Operating Procedure"... DUSA will endeavor to have a draft of this
SOP to DRC at the time of the submittal of the 2010 ATER, and will utilize the draft
criteria in the evaluation of the newly acquired movement monument data."
1
In response to the April 23, 2010 DUSA letter, adjustments to DUSA's Radioactive Material
License were made, effective June 17, 2010. These changes included new requirements for
These item numbers correspond to the item numbers in the subject April 23, 2010 DUSA letter and the February 25, 2009 [2010]
DRC letter.
195 North 1950 West • Salt Lake City, UT
Mailing Address: P.O. Box 144850 • Salt Lake City, UT 84114-4850
Telephone [phone] • Fax [phone] • T.D.D. [phone]
www.cieq.utah.gov ,
Printed on 100% recycled paper
Page 2
settlement and movement monitoring standard operating procedures. New License Condition
11.7 and 11.8 discuss these requirements. Therefore our review of the subject September 30,
2009 ATER is closed-out.
UTAH RADIATION CONTROL BOARD
Rusty Lundberg
Executive Secretary
RL:DAR: dr
F:\drupp\DUSA\ATER\2009\Closeout letter.doc