DSHW-2002-001762 - 0901a068801325ed

DECEIVED
n^AY 1 6 2002
^' ^'^ \ , M< DivisJOB Of Solid 4 ifeardoJs Waste
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May 15,2002
Michael S. Robbinson, Vice President
Environmental Safety & Security
Alliant Techsystems, Inc.
5050 Lincoln Drive
Edina, MN 55436
Dear Mike:
Attached are copies of the Final Screening Level Endangerment Assessment (SLEA),
Thiokol Propulsion, Northern Utah, May 14, 2002. Additional courtesy copies have been
distributed as shown below.
This Final SLEA is a revision ofthe Preliminary Draft SLEA issued December 20,2001. The
revisions are based on comments received from the Utah Department of Environmental
Quality-Division of Solid and Hazardous Waste, Connor Cattle Company, and Thiokol
Propulsion. Written Responses to Comments were provided separately by WALSH during
the first week of May.
Please contact us with any questions or comments on this report.
Sincerely,
•^> -:5c— —-"/
James B. Cowart, P.E.
Project Manager
Cc: Susan Jew, ATK/Thiokol (6 copies)
Dennis Downs, UDEQ-DSHW (2 copies)
Laura Lockhart, Utah Attomey General Office (1 copy)
Mike Bell, ATK Aerospace Group (2 copies)
Gregory Sanders, Kipp & Christian (2 copies)
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