DSHW-2003-006283 - 0901a06880158463

ATK
ALLIANT TECHSYSTEMS
Thiokol Propulsion Corp.
P.O. Box 707
Brigham City, UT 84302-0707
Tel [phone]
Fax [phone]
18 September 2003
8200-CY04:ST039
Mr. Dennis R. Downs, Executive Secretary
State of Utah
Department of Environmental Quality
Division of Solid and Hazardous Waste
288 N. 1460 W.
P.O. Box 144880
Salt Lake City, Utah 84114-4880
Dear Mr. Downs
ATTENTION: Jeff Vandel
HAND DELIVERED
SEP 1 8 2003
03,03150
Utah Division of Solid
and Hazardous Waste
Subject: Submittal of Waste Characterization and Air Dispersion Risk Assessment
Protocol for OB/OD at ATK Thiokol Propulsion - Promontory EPA ID
#UTD009081357.
Attached are for your review and approval are two copies of the ATK Thiokol Propulsion Waste
Charactenzation and Air Dispersion Modeling Protocol For Use in the Human Health and
Ecological Risk Assessments. In previous correspondence, the Human Health Risk Assessment
Protocol and the Ecological Risk Assessment Protocol for evaluation of the open buming open
detonation units at ATK Thiokol Propulsion, Promontory were provided.
lfyou have any questions regarding these reports, please direct them to myself at [phone].
Sincerely
Paul V. Hancock, Manager
Environmental Remediation