DSHW-2003-009143 - 0901a06880187b00

ATK ALLIANT TECHSYSTEMS
Thiokol Propulsion Corp.
P.O. Box 707
Brigham City, UT 84302-0707
Tei 435 863-3511
Fax [phone]
11 June 2003
8200-CY04:ST016
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
JUN 1 1 2003
03. C?P03a,
Utah Division of Solid
and Hazardous Waste
Subject: Submittal of 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 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. The fmal component, the air
modeling protocol, will be submitted within the next few weeks.
If you have any questions regarding these reports, please direct them to myself at [phone].
Sincerely
Paul V. Hancock, Manager
Environmental Remediation