DAQ-2025-000297

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September 30,2024
Mr. Bryce Bird, Director Certified Mail: 7022 0410 0O02 3551 5908
Division of Air Quality
Utah Department of Environmental Quality
195 North 1950 West
Salt Lake City, Utah 84776
RE:NSPS qQQ Semi-Annua! Report - March 1,2024 through August 3L,2024
Director Bird:
HF Sinclair Woods Cross Refining LLC has conducted allthe required inspections of the refinery
systems in accordance with 40 CFR 50 Subpart QQQ. Per 40 CFR 60.698(c), HF Sinclair is notifying you of
the following findings and corrective actions for the following semi-annual period:
DEPARTMENT OF
ENVIRONMENIAL OUALITY
ocT - 4 n24
DIVISION OF AIR OUAUTY
March 3, LO, t7,24,31
Low water levels in drains
Broken p-trap
Plugged Drain
2t
3
5
lmmediately added water
which restored seals.
P-traps repaired.
Drains Unolucsed.
April 7, L4,2L,28 Low water levels in drains
Plugged Drain
t7
4
lmmediately added water
which restored seals.
Drains Unoluceed.
May 5, L2, 19,26 Low water levels in drains
Plugged Drain
t4
5
lmmediately added water
which restored seals.
Drains Unolucped.
June 2,9, L6,23,30 Low water levels in drains t7 lmmediately added water
which restored seals.
July 7,14,2t,28 [ow water levels in drains
Plugged Drain
L6
1
lmmediately added water
which restored seals.
Drains Unolucced.
August 4, tt, L3,18,25 Low water levels in drains
Plugged Drain
19
1
lmmediately added water
which restored seals.
Drains Unolueced.
HF Sinclair Woods Cross Refining LLC
1070 W. 500 S, West Bountiful, UT 84087
801-299-6600 | HFSinclair.com
REVIEWEDInitials:Date: Jan 15, 2025Complaince Status:OKFile #: 10123 (B2)
lf you have any questions or need additional information, please call Matt Howes at [phone] or
email at Matthew. [e-mail].
Pursuant to 40 CFR 60.698(bX1), this letter certifies that, except as noted in this report, the required
inspections have occurred in accordance with the requirements of this subpart for the sources that have
been previously identified as subject to the control requirements under NSPS Subpart QQQ. HF Sinclair
Woods Cross Refining LLC certifies that all required inspections were completed.
Sincerely,
k;* inn..r^'^Js
Vice President and Refinery Manager
Enclosure
E Benson (r) File 2.2.7.1