DRC-2012-001951 - 0901a0688030af5e

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State of Utah
JONM HUNTSMAN,JR
Governor
GARY HERBERT
Lieutenant Governor
C-2012-001951
Department of
Environmental Quality
/Amanda Smith
Acting Executive Director
DIVISION OF RADIATION CONTROL
Rusty Lundberg
Director
Apnl 9, 2012
CERTIFIED MAIL
(Retum Receipt Requested)
Jo Ann Tischler
Director, Compliance and Permitting
Denison Mines (USA) Corp (DUSA)
1050 Seventeenth Street, Suite 950
Denver, CO 80265
Dear Ms Tischler
SUBJECT Compliance Additional Concrete Pads for Drum Management, White Mesa Uranium Mill
Ground Water Discharge Permit No UGW3 70004, Conditional Approval
On March 27, 2012 the Utah Division of Radiation Control (DRC) received thrmigh email a single-sheet
plan for new concrete pads for drum management at the Altemate Feed Area aljhe DUSA White Mesa
Uranium Mill, near Blanding, Utah The pads have been designed to augment those approved in a DRC
letter to you dated October 24, 2011
DRC understands the project to include placement of concrete flatwork as a management surface for dmms
of feedstock The pads include low-profile rolled curb at the periphery to provide matenal containment for
spills that may occur The pads slope to existing drain sumps, thus preventing spilled feedstock matenal
from washing onto surrounding soils
DRC has reviewed the submitted plan for conformance with the intent of Part ID 11 of the White Mesa
Uranium Mill Ground Water Discharge Permit No UGW370004 (Permit) and find the plan to comply with
this Permit requirement, therefore, the plan is approved subject to the following conditions
1 DUSA shall submit As-Built drawings within 14 calendar days upon completion of the project for
Executive Secretary review and approval The plan will include sufficient spot elevations to detail
how the pads will drain The record drawing will reflect any deviations from the approved plan
2 The pads shall not be placed in service until approval of the As-Built drawings by the Executive
Secretary
168 North 1950 West • Sah Uke City, UT
Mailmg Address P O Box 144850 • Salt Uke City, UT 84114-4850
Telephone [phone] • Fax [phone] -TDD (801) 536^14
www deq ulah gov
Printed on 100% recycled paper
Jo Ann Tischler
Apnl 9,2012
Page 2
If you have any questions please contact Russ Topham, P E , of my staff, at [phone]
UTAH WATER QUALITY BOARD
Rust^ Lundberg
Co-Executive Secretary
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RE 4/9/12 conditional approval / rt
Jo Ann Tischler
Denison Mines (USA) Corp
1050 Seventeenth ST, STE 950
Tf Denver, Co 80265
C/iy,
PS Form 3«00. August 2006 See Reverse (or Inslruclions
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1 Article Addressed to
OMPLETE THIS SEC//0/V ON DELIVERY
RE 4/9/12 conditional approval/rt
Jo Ann Tischler
Denison Mines (USA) Corp
1050 Seventeenth ST, STE 950
Denver, Co 80265
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