DSHW-2010-052615 - 0901a068801e2de9 (4)

July 8, 2010

David P. Gosen, P.E.
Director, Environmental Services
ATK Launch Systems – Promontory
P.O. Box 707
Brigham City, UT 84302-0707

RE: Waste Characterization and Air Dispersion Modeling Protocol
Request for Extension on Response to Comments
ATK Launch Systems - Promontory Facility
UTD009081357

Dear Mr. Gosen:

The Division of Solid and Hazardous Waste has completed its review of your request, dated June 22, 2010, for an extension on the submittal date for ATK’s responses to our comments on
the Waste Characterization and Air Dispersion Modeling Protocol. Based on the circumstances identified in your letter, your request is hereby approved. The new deadline to submit responses
to comments will be July 23, 2010.

If you have any questions, please contact Jeff Vandel at [phone].

Sincerely,

ORIGINAL DOCUMENT SIGNED BY SCOTT T. ANDERSON ON 7/8/2010
Scott T. Anderson, Director

STA\JV\tjm

Enclosure

c: George Gooch, ATK Launch Systems
Blair Palmer, ATK Launch Systems
Lloyd Berentzen, Health Officer, Bear River Health Dept.

195 North 1950 West • Salt Lake City, UT
Mailing Address: P.O. Box 144880 • Salt Lake City, UT 84114-4880

Telephone [phone] • Fax [phone] • T.D.D. [phone]
www.deq.utah.gov
TN201000546 Printed on 100% recycled paper

State of Utah

GARY HERBERT
Governor

GREG BELL
Lieutenant Governor

Department of Environmental Quality

Amanda Smith
Executive Director

DIVISION OF SOLID AND HAZARDOUS WASTE
Scott T. Anderson
Director