DAQ-2024-011152

DEPARTMENT OF THE AIR FORCE
75TH CTVIL ENGTNEER GROUP (AFMC)
HILL AIR FORCE BASE UTAH
Amanda Burton
Chief, Environmental Branch
7290 Weiner Street
Hill Air Force Base Utah 84056-5003
Director
Utah Division of Air Quality
Attention: Compliance Section
P.O. Box 144820
Salt t ake city utah 84114-4820
ll luly 2024
I,TAH DEPAHTMENT OF
E}WTRONMENTAL OUruTY
JtlL 1 2 2A24
*an d de-t\ lercJ
DIViSION OF AIR OUALTTY
Dear Director
Hill Air Force Base is submitting this notification, pursuant to Conditions II.B.52.d existing
affected boilers and II.B.53.d new affected boilers of the Main Base Title V Operating Permit (TVOP)
I 100007004, which states "the permittee shall submit a notification of alternative fuel use within 48 hours
of the declaration of each period of natural gas curtailment or supply intemtption. [Origin: 40 CFR 63
Subpart DDDDDI [40 CFR 63.7545(f)1"
On 12 July 2024, one of the boilers in Building 260 (AQUIS 3501,3502,3503,3504,3506,
3507, or 3508) will be fired on DS2 Diesel Fuel Grade 2-D. The sfainer on the building 260 natural gas
supply line must be cleaned resulting in a supply intemrption.
The alternative fuel, DS2 Diesel Fuel Grade 2-D, complies with the specifications under the
definition of distillate oil in 40 CFR 60.41c and is Defense Logistics Agency-Energy contracted fuel
compliant with MILSTD-3004B'DoD Standard Practice-Quality Assurance Surveillance for Fuels,
Lubricants and Related Products' for National Stock Number 9140-01-524-0139.
If you have any questions or would like to discuss this issue further, my point of contact is Dr.
Erik DettenmaierT5 CEG/CEIEA, at(801) 777-0888 [e-mail].
Sincerely
7/11/2024
X Amanda Burton
Signed by: BURTONAMANDACHRISTINE.l 270023068
AMANDA C BURTON, NH.III, DAF
Chiefi Environmental Branch
REVIEWEDInitials:Date: Oct 24, 2024Compliance Status: OKFile #: 10121 (B2)