EDO-2024-000090

DEPARTMENT OF THE AIR FORCE
75TH CIVIL ENGINEER GROUP (AFMC)
HILL AIRFORCEBASEUTAH
27 November 2024
Amanda Burton
Chief, Environmental Branch
7290 Weiner St, Building 383
Hill AFB UT 84056
Kim Shelley
Executive Director
Utah Department of Environmental Quality
195 North 1950 West
Salt Lake City Utah 84116
SUBJECT: Proposed Radiation Facility at the Little Mountain Test Facility, Hill Air Force
Base, Utah
Dear Kim Shelley
Hill Air Force Base (AFB) is proposing to construct a radiation facility at the Little
Mountain Test Facility (LMTF), Weber County, Utah (Figure 1), to support an increased
demand for nuclear hardness simulation testing and planned test equipment upgrades associated
with the Sentinel Program. In accordance with the National Environmental Policy Act (NEPA)
of 1969,the Council of Environmental Quality regulations,andDepartment of the Air Force
NEPA regulations, Hill AFB is preparing a Draft Environmental Assessment and proposed
Finding of No Significant Impact toassesspotential environmental impacts of the proposed
construction and operation of a radiation facility at the LMTE.
The Proposed Action would construct a new 50,000-square foot facility (Figure 2)
providing space for the Advanced Radiation Environment Simulator (ARES) Test Stand, a new
Small Flash X-Ray (SFXR), 14-mega-electron volt (MeV) neutron generator, and self-shielded
irradiators. The self-shielded iradiators would be relocated to the new building to centralize
testing functions. The proposed new equipment (ARES, SFXR, and 14 MeV neutron generator)
would be specially designed and manufactured for use in the new building at LMTF. The new
facility would include radiation effects laboratories, loading docks, support areas for material
storage and dosimetry testing, a conference room, and personnel offices. A 12-foot-wide
perimeter road would be constructed around the radiation facility to provide access to the
exterior of the building and allow for maintenance and snow removal. The Proposed Action
would include an additional 30 personnel who would support testing operations at the proposed
radiation facility.
Please forward your written comments or requests for additional information to Steve
Vlaming, 75 CEG/CEIEA, NEPA/EIAP Project Manager, 7290 Weiner St (Bldg 383), Rm 103,
Hill AFB, UT 84056-5003. Mr. Vlaming can also be reached at 801-777-2783 or by email at
[e-mail]. Werequestyourcomments within 30 days of receipt of this letter
Rec'd 12/16/24
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