DAQ-2025-000316

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June 27,2024
Director
Division of Air Quality
Utah Dept. of Environmental Quality
195 North 1950 West
Salt Lake City, Utah 84116
UTAH DEPARTMENT OF
ETWIRONMENTAL q.lAUTY
JUN 21 2024
DIVISION OF AIR QUALTTY
CERTIFIED MAIL: 7022 0410 0002 35515823
RE:Externa! Floating Roof Tank lnspection Report
Director,
Pursuant to our notification to you dated April 8,2024 and in accordance with R307-327-5(21, and 40
CFR 60.113b(aX2), HF Sinclair Woods Cross Refining LLC performed inspections on floating roof tanks
156 and 157 on May 23, 2024. ln accordance with 40 CFR 63.555(9)and 40 CFR 50.115b(aX3), this letter
reports information on tanks for which the seal gap did not meet specifications as summarized below.
This information willalso be included in the next periodic report.
lf you have any questions or need additional information, please contact me at [phone], or
Richmond.Thornley@ HFSinclair.com.
HF Sinclair Woods Cross Refining LLC
1070 W. 500 S, West Bountiful, UT 84087
801 -299-6600 | HFSinclair.com
Tank Description of Failure Reason Tank Could Not Be
Emptied Schedule of Actions
156
Pusher
plate/sunshield
detached from tank
rim; anti-rotation
column wioer worn
N/A To be repairedbVT/712
757 Anti-rotation column
wiper worn N/A To be repairedbVT/7/2A
Richmond Thornley
Environmental Engineer
REVIEWEDInitials:Date: Jan 17, 2025Compliance Status: OKFile #: 10123 (B2)
E. Benson (r) File 2.4.2.7
K. Arnold
M. Shores
S. Greene