DAQ-2025-001333

195 North 1950 West • Salt Lake City, UT
Mailing Address: P.O. Box 144820 • Salt Lake City, UT 84114-4820
Telephone [phone] • Fax [phone] • T.D.D. [phone]
www.deq.utah.gov
Printed on 100% recycled paper
State of Utah

Department of
Environmental Quality

Kimberly D. Shelley
Executive Director

DIVISION OF AIR QUALITY
Bryce C. Bird
Director

SPENCER J. COX
Governor

DEIDRE HENDERSON
Lieutenant Governor
DAQC-216-25
Site ID 11284 (B1)

Amanda Burton
Chief, Environmental Branch
75th CEG/CEIE
7290 Weiner Road
Hill Air Force Base, Utah 84056-5003

Dear Ms. Burton:

Re: Hill Air Force Base, Utah Test and Training Range (UTTR) – Request for Open
Detonation of Small Quantity Hazard Class 1.2. Condition II.B.2.a – Box Elder County

Condition II.B.2.a of the Title V Operating Permit #300036005 states:

“If a propellant or a munition that is not a Hazardous Class 1.1, 1.3 or 1.4 is to be
detonated or burned prior approval must be obtained from the Director.“

On February 19, 2025, the Division of Air Quality received a letter requesting approval to open
detonate small quantities (less than 1 pound per event) of Hazard Class 1.2 on an occasional basis
(less than 4 times per year). The items requested for immediate disposal for safety reasons are
small rocket igniters, which shall not exceed a net explosive weight of 6,552,000 pounds per
calendar year. Hill Air Force Base is hereby approved to perform this small quantity open
detonation as described in your letter. This approval is valid for calendar year 2025.

If you have any questions, please contact Joe Rockwell at [e-mail] or 385-226-3738.
Please refer to the DAQC number in the upper right corner of this letter when contacting our
office.

Sincerely,

Bryce C. Bird
Director

BCB:JPR:rh
February 27, 2025
DEPARTMENT OF THE AIR FORCE
75TH CIVIL ENGINEER GROUP (AFMC)
HILL AIR FORCE BASE UTAH
Amanda Burton
Chief, Environmental Branch
75 CEG/CEIE
7290 Weiner Road
Hill Air Force Base Utah 84056-5003
Director
Utah Division of Air Quality
Attention: Compliance
P.O. Box 144820
Salt Lake ciry utah 84114-4820
Dear Director
4 February 2025
UTNH DEPATiTMENT OF
ENVIRONMEMAL OUAUTY
FEB 1 I 2025
DMSION OF AR OI'AUTY
Hill Air Force Base (AFB) is submitting this request in accordance with the Utah Test and
Training Range Title V Operating Permit #300036004 Condition I 1.B.2.a, "The permittee shall destroy
missile motors containing Hazard Class I .l propellant, munitions containing Hazard Class I .1 energetic
materials, Class 1.3 energetic materials, and/or Class I .4 energetic materials by open detonation or open
burning. lf a propellant or munition that is not a Hazardous Class I . l, I .3 or I .4 is to be detonated or
burned, prior approval must be obtained from the Director."
Hill AFB has purpose and need to dispose by open detonation for safety reasons small rocket
igniters on an occasional basis (4 times per year). This request is like the attached approval DAQC-390-
24 to perform a small quantity open detonation in 2024 and we respectfully request a response from the
Director approving the open detonation of the small quantity of Hazard Class I .2 items in 2025. The
Department of Transportation defines Hazard Class I Division 1.2 as non-mass explosion, fragment
producing.
If you have any questions or would like to discuss this issue further, my point of contact is Dr.
Erik Dettenmaier 75 CEG/CEIEA, at [phone] or [e-mail].
Sincerely
2141202s
X Amanda Burton
Signed by: BURTONAMANDA.CHRISTINE.l 270023068
AMANDA C BURTON, NH-III, DAF
ChieC Environmental Branch
Attachment
DAQC-390-24
REVIEWEDInitials:Date: Feb 25, 2025Compliance Status:OKFile # 11284 (B2)Comment: The UTTR Permit # is now 300036005.
Department of
Environmental Quality
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April30,2024
Amanda Burton
Chiel Environmerrtal Brarrch
75th CEG/('Elt1
7290 Weiner Road
Hill Air Forcc Basc, Utah 84056-5003
Dcar Ms. I]ufton:
DAQC--1e0-24
sitc ID: I 1284 (B I )
Rc: Hill Air Forcc Basc, Utah Tcst and Training Rangc' ( UTTR) - Rcqucst for One ( I ) Open
Detonation of Small Quantity l{azard Class I .2. Condition II.B.2.a - Box Elder County
Condition ll.B.2a of the Title V permit #-100036004 states:
"lf a propellant or a nrunition that is not a llazardous Class l.l, 1.3 or 1.4 is to be
detonated or burncd prior approval must bc obtaincd tiom the Dircctor."
On March 6,2024, thc Division of Air Quality reccivcd an clcctronic lcttcr requesting approval to
open detonate small quantities (less than I pound per event) of Hazard Class 1.2 on an occasional
basis (lcss than 4 timcs pcr ycar). Thc itcms rcqucstcd for immcdiatc disposal for saf'cty rcasons
are two (2) l0 pound net explosive rveight rockct igniters. Ilill Air Force Base is hereby approved
to perform this srnall quantity opcn dctonation as dc.scribcd in your lettcr. This approval is valid
fbr calendar ycar 2021.
If you have any qLrestions. please contact Joe Rocku'ell at jrockwell(arutah.gov or 385-226-373tt.
Pleasc rcfcr to thc DAQC numbcr in thc uppcr right corner of this lcttcr whcn contacting our
office.
Sincerely.
,4rzC'l
Bryce C). Bird
Director. Utah Division of Air Quality
BCB:JPR:rh
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