DAQ-2025-002585

1
DAQC-480-25
Site ID 10123 (B5)

MEMORANDUM

TO: FILE – HF SINCLAIR WOODS CROSS REFINING LLC

THROUGH: Harold Burge, Major Source Compliance Section Manager

FROM: Rob Leishman, Environmental Scientist

DATE: May 19, 2025

SUBJECT: Holly Refining and Marketing (Holly Refinery), Major, SIP, Title V, MACT, Davis
County FRS # UT0000004901100013

INSPECTION TYPE: State Electronic Data Report (SEDR) Review

REVIEW DATE: May 19, 2025

SOURCE LOCATION: West Bountiful/Davis County

SOURCE CONTACT: Matt Howes - 801-397-7412

APPLICABLE REGS: Title V operating permit 1100013001 dated May 3, 2024
Last Revised May 3, 2024
November 18, 2013 – DAQE-AN101230041-13 – Approval Order

SOURCE INSPECTION
EVALUATION: With the exception of sources that only monitor for opacity, quarterly report
memoranda will only address the findings of the quarterly report. Approval
Order and Title V permit conditions addressing continuous emission
monitoring requirements will be addressed in Holly Refinery’s relative
accuracy performance specification test review memorandum.

SEDR Review

First Quarter 2025
% Monitor Availability (MA) Performance Test Dates
(N/A to Opacity)
Summary of Excess Emissions During Point
Source Operation
Point
Source
Op.
hrs. Channel MA CGA Lin RATA Point
Source Channel Hrs. Limitation
Amine
Plant 2159 H2S 100% 02/20/25 04/30/24 Amine
Plant H2S 0.00 160 ppm - 3-
hour RA
U4
FCCU 2159 CO 95% 02/21/25 05/01/24 Amine
Plant H2S 0.00 60 ppm - 365-
day RA
U4
FCCU 2159 CO2 95% 02/21/25 05/01/24
Sulfur
Recovery
Unit
SO2 0.00 100 ppm - 12-
hour RA

1 8 2

2
First Quarter 2025
% Monitor Availability (MA) Performance Test Dates
(N/A to Opacity)
Summary of Excess Emissions During Point
Source Operation
Point
Source
Op.
hrs. Channel MA CGA Lin RATA Point
Source Channel Hrs. Limitation
U4
FCCU 2159 NOx 100% 02/21/25 05/01/24 U4
FCCU CO 6.00 500 ppm -
hourly
U4
FCCU 2159 SO2 100% 02/21/25 05/01/24 U4
FCCU NOx 0.00 40 ppm - 7-day
RA
U4
FCCU 2159 O2 100% 02/21/25 05/01/24 U4
FCCU NOx 0.00 22.5 ppm -
365-day RA
U4
FCCU 2159 Particulate 100% U4
FCCU SO2 0.00 50 ppm - 7-day
RA
U4
FCCU 2159 Particulate 100% U4
FCCU SO2 0.00 25 ppm - 365-
day RA
Sulfur
Recovery
Unit
2159 SO2 100% 02/21/25 05/01/24 U4
FCCU Particulate 1.00 9.2 in H2O -
hourly
Sulfur
Recovery
Unit
2159 O2 100% 02/21/25 05/01/24 U4
FCCU Particulate 1.00 66 psi - hourly
Crude
Unit 2159 O2 100% 02/25/25 08/14/24 Crude
Unit O2 1.00 5 ppm - hourly
North
Flare 2159 H2S 100% 12/13/24 03/27/25 North
Flare H2S 31.00 162 ppm - 3-
hour RA
North
Flare 2159 TRS 100% 02/26/25 South
Flare H2S 2.00 162 ppm - 3-
hour RA
South
Flare 2159 H2S 100% 12/12/24 03/26/25 U25
FCCU CO 4.00 500 ppm -
hourly
South
Flare 2159 TRS 100% 02/24/25 U25
FCCU NOx 0.00 80 ppm - 7-day
RA
U25
FCCU 2159 CO 100% 02/24/25 08/14/24 U25
FCCU NOx 0.00 40 ppm - 365-
day RA
U25
FCCU 2159 CO2 100% 02/24/25 08/14/24 U25
FCCU SO2 0.00 50 ppm - 7-day
RA
U25
FCCU 2159 NOx 100% 02/24/25 09/10/24 U25
FCCU SO2 0.00 25 ppm - 365-
day RA
U25
FCCU 2159 SO2 100% 02/24/25 08/14/24 U25
FCCU Particulate 0.00 15.2 in H2O -
3-hour RA
U25
FCCU 2159 O2 100% 02/24/25 08/14/24 U25
FCCU Particulate 0.00
0.21
GPM/MSCFH
- 3-hour RA
U25
FCCU 2159 Particulate 100%
U25
FCCU 2159 Particulate 100%

3
Excess Emission Report - Hourly Summary
Point
Source Channel
Startup
&
Shutdown
Control
Equipment
Problems
Process
Problems
Other
Known
Causes
Unknown
Causes
Emission
Limit
Amine Plant H2S 0 0 0 0 0 160 ppm - 3-hour RA
Amine Plant H2S 0 0 0 0 0 60 ppm - 365-day RA
Sulfur Recovery
Unit SO2 0 0 0 0 0 100 ppm - 12-hour RA
U4 FCCU CO 0 0 6 0 0 500 ppm - hourly
U4 FCCU NOx 0 0 0 0 0 40 ppm - 7-day RA
U4 FCCU NOx 0 0 0 0 0 22.5 ppm - 365-day RA
U4 FCCU SO2 0 0 0 0 0 50 ppm - 7-day RA
U4 FCCU SO2 0 0 0 0 0 25 ppm - 365-day RA
U4 FCCU Particulate 0 0 1 0 0 9.2 in H2O - hourly
U4 FCCU Particulate 0 0 1 0 0 66 psi - hourly
Crude Unit O2 0 0 1 0 0 5 ppm - hourly
North Flare H2S 0 6 25 0 0 162 ppm - 3-hour RA
South Flare H2S 0 2 0 0 0 162 ppm - 3-hour RA
U25 FCCU CO 3 0 4 0 0 500 ppm - hourly
U25 FCCU NOx 0 0 0 0 0 80 ppm - 7-day RA
U25 FCCU NOx 0 0 0 0 0 40 ppm - 365-day RA
U25 FCCU SO2 0 0 0 0 0 50 ppm - 7-day RA
U25 FCCU SO2 0 0 0 0 0 25 ppm - 365-day RA
U25 FCCU Particulate 0 0 0 0 0 15.2 in H2O - 3-hour RA
U25 FCCU Particulate 0 0 0 0 0 0.21 GPM/MSCFH - 3-
hour RA

CMS Performance Summary - Hourly Summary
Point
Source Channel Monitor
Malfunction
Non-monitor
Malfunction
QA
Calibrations
Other
Known
Causes
Unknown
Causes
Amine Plant H2S 0 0 1 0 0
U4 FCCU CO 111 4 2 1 0
U4 FCCU CO2 111 4 2 1 0
U4 FCCU NOx 0 1 2 1 0
U4 FCCU SO2 0 1 2 1 0
U4 FCCU O2 0 1 2 1 0
U4 FCCU Particulate 0 0 0 0 0
U4 FCCU Particulate 0 0 0 0 0
Sulfur Recovery Unit SO2 0 1 2 1 0

4
CMS Performance Summary - Hourly Summary
Point
Source Channel Monitor
Malfunction
Non-monitor
Malfunction
QA
Calibrations
Other
Known
Causes
Unknown
Causes
Sulfur Recovery Unit O2 0 1 2 1 0
Crude Unit O2 0 0 0 0 0
North Flare H2S 0 0 0 0 0
North Flare TRS 0 0 0 0 0
South Flare H2S 0 0 0 0 0
South Flare TRS 0 0 1 0 0
U25 FCCU CO 1 0 0 1 0
U25 FCCU CO2 1 0 0 1 0
U25 FCCU NOx 1 0 0 1 0
U25 FCCU SO2 1 0 0 1 0
U25 FCCU O2 1 0 0 1 0
U25 FCCU Particulate 0 0 0 0 0
U25 FCCU Particulate 0 0 0 0 0

Pollutant Concentration
Exceeded Span of CEM
Monitor Outage During
Point Source Operation
Alternate
Sampling CEM Modifications
0 Hours 271 Hours 0 Hours 0 Events

SOURCE INSPECTION
SUMMARY EVALUATION: HF Sinclair Woods Cross Refining LLC maintains its CEMS as required in
R307-170 and 40 CFR 60.13.

CURRENT
RECOMMENDATIONS: All deviations appear to be a result of breakdown or process related
problems that do not warrant issuing a violation. HF Sinclair Woods Cross
Refining LLC was in compliance during this reporting period. No further
enforcement action is recommended. HF Sinclair Woods Cross Refining
LLC’s NSPS monitoring system meets the performance standards of 40
CFR 60, Appendix B Performance Specifications.

HPV: No

RECOMMENDATION
FOR NEXT INSPECTION: Check DAS for daily zero and span drift.
Check the QC program to ensure that monitor drift is being tracked that the
source can identify excessive drift.

ATTACHMENTS: Excel spreadsheet review
HF Sinclair Refinery EER 1Q2025
Point Source Information Late Expired Cal. Gas Valid Cal. Gas Days Yes No
1 Type Code 100
(Company Information)Type Code Company Manager Company Name AIRS # Phone Number
Environmental
Contact
1 100 Dustin Simmonds 01100013 [phone] Matt Howes
1 100 0 0 0 0
1 Type Code 110
(Point Source Identification)Type Code Point Source
Quarter
1 - 4 Year
Point Source
Operating Hrs. in
Quarter
1 110 1 2025 2159
1 110 1 2025 2159
1 110 1 2025 2159
1 110 1 2025 2159
1 110 1 2025 2159
1 110 1 2025 2159
1 110 1 2025 2159
1 110 0 0 0
1 Type Code 200
(Monitor Identification)Type Code Point Source Channel Manufacturer Model No. Monitor SN Low Span High Span Installation Date
Monitor
Location
1 200 H2S Siemens 3004945670 10 - 300 4/1/2021 Fuel Line
1 200 O2 Ametek Thermox WDG-IV 10208656 - 20 8/17/2015 Stack
1 200 H2S Extrel Max 300-RTG 62582 - 300 11/8/2018 Flare Line
1 200 TRS Thermo Scientific Sola II SL-09960914 2000 30 11/11/2015 Flare Line
1 200 H2S Extrel Max 300-RTG 62585 - 300 11/8/2018 Flare Line
1 200 TRS Thermo Scientific Sola II SL-09970914 2000 30 11/11/2015 Flare Line
1 200 O2 Ametek 9900RM 9900-S1616-1 - 20 2/7/2023 Stack
1 200 SO2 Teledyne Monitor Labs T100H 467 - 200 5/30/2021 Stack
1 200 CO SICK MCS100E 15062323 - 1000 6/1/2016 Stack
1 200 CO2 SICK MCS100E 15062323 - 20 6/1/2016 Stack
1 200 NOx SICK MCS100E 15062323 - 200 6/1/2016 Stack
1 200 O2 SICK MCS100E 15062323 - 20 6/1/2016 Stack
1 200 Particulate Rosemount 3051CG4A22A1AS1M5K5Q4Q83051CG4A22A1AS1M5K5Q4Q8- - 6/1/2016 Stack
1 200 Particulate Flexim/SICK Maihak US-7407/SIC 199 F704/15062323 - - 9/20/2017 Stack
1 200 SO2 SICK MCS100E 15062323 - 200 6/1/2016 Stack
1 200 CO Teledyne Monitor Labs T300 5404 - 1000 5/30/2021 Stack
1 200 CO2 Teledyne Monitor Labs T300 5404 - 0.2 5/30/2021 Stack
1 200 NOx Ametek 9900RM 9900-S1616-1 - 200 2/7/2023 Stack
1 200 O2 Ametek 9900RM 9900-S1616-1 - 20 2/7/2023 Stack
1 200 Particulate Rosemount 3051CG2A22A1AS1E5M5Q4Q82278010 - - 10/27/2012 Stack
1 200 Particulate Rosemount 3051TG3A2B21AS1E5M5Q4Q82278290 - - 10/27/2012 Stack
1 200 SO2 Teledyne Monitor Labs T100H 467 - 200 5/30/2021 Stack
1 200 0 0 0 0 0 0 1/0/1900 0
1
Type Code310
(Excess Emissions)
SUMMARY REPORT
Type Code Channel
Total Hours of Excess
Emissions
Excess Emissions -
% of Total
Operating Hours
RC 701 Hours -
start
up/Shutdown
RC 702 Hours-
Control Equipment
Problems
RC 703 Hours -
Process Problems
RC 704, 706, 707
Hours -Other Known
Causes
RC 705 Hours -
Unknown
Causes
Emission
Limitation
Emission
Limitation
Units
Emission
Limitation
Averaging
Period
1 TRUE 310 H2S 0 0.00% 0 0 0 0 0 160 ppm 3-hour RA
1 TRUE 310 H2S 0 0.00% 0 0 0 0 0 60 ppm 365-day RA
1 TRUE 310 SO2 0 0.00% 0 0 0 0 0 100 ppm 12-hour RA
1 TRUE 310 CO 6 0.28% 0 0 6 0 0 500 ppm hourly
1 TRUE 310 NOx 0 0.00% 0 0 0 0 0 40 ppm 7-day RA
1 TRUE 310 NOx 0 0.00% 0 0 0 0 0 22.5 ppm 365-day RA
1 TRUE 310 SO2 0 0.00% 0 0 0 0 0 50 ppm 7-day RA
1 TRUE 310 SO2 0 0.00% 0 0 0 0 0 25 ppm 365-day RA
1 TRUE 310 Particulate 1 0.05% 0 0 1 0 0 9.2 in H2O hourly
1 TRUE 310 Particulate 1 0.05% 0 0 1 0 0 66 psi hourly
1 TRUE 310 O2 1 0.05% 0 0 1 0 0 5 ppm hourly
1 TRUE 310 H2S 31 1.44% 0 6 25 0 0 162 ppm 3-hour RA
1 TRUE 310 H2S 2 0.09% 0 2 0 0 0 162 ppm 3-hour RA
1 TRUE 310 CO 7 0.32% 3 0 4 0 0 500 ppm hourly
1 TRUE 310 NOx 0 0.00% 0 0 0 0 0 80 ppm 7-day RA
1 TRUE 310 NOx 0 0.00% 0 0 0 0 0 40 ppm 365-day RA
1 TRUE 310 SO2 0 0.00% 0 0 0 0 0 50 ppm 7-day RA
1 TRUE 310 SO2 0 0.00% 0 0 0 0 0 25 ppm 365-day RA
1 TRUE 310 Particulate 0 0.00% 0 0 0 0 0 15.2 in H2O 3-hour RA
1 TRUE 310 Particulate 0 0.00% 0 0 0 0 0 0.21 GPM/MSCFH3-hour RA
1 310 0 0 0 0 0 0 0 0 0
South Flare
U25 FCCU
U25 FCCU
U25 FCCU
U25 FCCU
U25 FCCU
U25 FCCU
U25 FCCU
0
HF Sinclair Woods Cross Refining LLC
0
Amine Plant
Crude Unit
North Flare
North Flare
South Flare
South Flare
Sulfur Recovery Unit
Sulfur Recovery Unit
U25 FCCU
U25 FCCU
U25 FCCU
U4 FCCU
U4 FCCU
U4 FCCU
U4 FCCU
U4 FCCU
Amine Plant
Amine Plant
U4 FCCU
0
U4 FCCU
Sulfur Recovery Unit
U4 FCCU
U4 FCCU
Crude Unit
North Flare
U4 FCCU
U4 FCCU
U4 FCCU
U4 FCCU
Amine Plant
Crude Unit
North Flare
South Flare
Sulfur Recovery Unit
U25 FCCU
U4 FCCU
0
U25 FCCU
U25 FCCU
U25 FCCU
U25 FCCU
U4 FCCU
Point Source
HF Sinclair Refinery EER 1Q2025
1 Type Code 300 (CMS
Performance Summary) Type Code Channel
Point Source Operating
Hours
Downtime - % of
Total Operating
Hours
Total CMS
Downtime
RC 721 Hours -
Monitor
Malfunction
RC 722 Hours -
Non-monitor
Malfunction
RC 723 Hours -
QA Calibrations
RC 724 Hours -
Other Known
Causes
RC 725 Hours
- Unknown
Causes
1 TRUE 300 H2S 2159 0.05% 1 0 0 1 0 0
1 TRUE 300 CO 2159 5.46% 117.9833333 111 3.983333333 2 1 0
1 TRUE 300 CO2 2159 5.46% 117.9833333 111 3.983333333 2 1 0
1 TRUE 300 NOx 2159 0.18% 3.983333333 0 0.983333333 2 1 0
1 TRUE 300 SO2 2159 0.18% 3.983333333 0 0.983333333 2 1 0
1 TRUE 300 O2 2159 0.18% 3.983333333 0 0.983333333 2 1 0
1 TRUE 300 Particulate 2159 0.00% 0 0 0 0 0 0
1 TRUE 300 Particulate 2159 0.00% 0 0 0 0 0 0
1 TRUE 300 SO2 2159 0.18% 3.983333333 0 0.983333333 2 1 0
1 TRUE 300 O2 2159 0.18% 3.983333333 0 0.983333333 2 1 0
1 TRUE 300 O2 2159 0.00% 0 0 0 0 0 0
1 TRUE 300 H2S 2159 0.00% 0 0 0 0 0 0
1 TRUE 300 TRS 2159 0.00% 0 0 0 0 0 0
1 TRUE 300 H2S 2159 0.00% 0 0 0 0 0 0
1 TRUE 300 TRS 2159 0.05% 1 0 0 1 0 0
1 TRUE 300 CO 2159 0.09% 2 1 0 0 1 0
1 TRUE 300 CO2 2159 0.09% 2 1 0 0 1 0
1 TRUE 300 NOx 2159 0.09% 2 1 0 0 1 0
1 TRUE 300 SO2 2159 0.09% 2 1 0 0 1 0
1 TRUE 300 O2 2159 0.09% 2 1 0 0 1 0
1 TRUE 300 Particulate 2159 0.00% 0 0 0 0 0 0
1 TRUE 300 Particulate 2159 0.00% 0 0 0 0 0 0
1 300 0 0 0 0 0 0
1
Type Code 250
(Performance Specification
RATA Results)
Type Code Channel
Date of Most Current
RATA
Date of Preceding
RATA
Months Between
RATA's
Units of
Measurement CEM Value Reference Method
Value
Relative
accuracy Pass/ Fail
1 361 Days 250 H2S 04/30/24 05/05/23 12 ppm 18.2 19.7 180.00% pass
1 363 Days 250 CO 05/01/24 05/04/23 12 ppm 95.89 95.34 200.00% pass
1 363 Days 250 CO2 05/01/24 05/04/23 12 ppm 14.9 15.23 240.00% pass
1 363 Days 250 NOx 05/01/24 05/04/23 12 ppm 13.72 19.44 860.00% pass
1 363 Days 250 SO2 05/01/24 05/04/23 12 ppm 0.044 0.017 20.00% pass
1 363 Days 250 O2 05/01/24 05/04/23 12 0 1.86 2.69 80.00% pass
1 363 Days 250 SO2 05/01/24 05/04/23 12 ppm 0.044 0.017 20.00% pass
1 363 Days 250 O2 05/01/24 05/04/23 12 0 1.86 2.69 80.00% pass
1 355 Days 250 O2 08/14/24 08/25/23 12 ppm 3.2 3.5 830.00% pass
1 366 Days 250 H2S 03/27/25 03/26/24 12 ppm 6.4 0.26 420.00% pass
1 364 Days 250 H2S 03/26/25 03/27/24 12 ppm 6.6 2.6 330.00% pass
1 356 Days 250 CO 08/14/24 08/24/23 12 ppm 128.1 141.3 410.00% pass
1 356 Days 250 CO2 08/14/24 08/24/23 12 0 13.3 15 1320.00% pass
1 383 Days 250 NOx 09/10/24 08/24/23 13 ppm 17.4 20.7 560.00% pass
1 356 Days 250 SO2 08/14/24 08/24/23 12 ppm 1.6 0 320.00% pass
1 356 Days 250 O2 08/14/24 08/24/23 12 0 2 2 570.00% pass
1 0 Days 250 0 01/00/00 01/00/00 0 0 0 0 0.00% 0
U4 FCCU
U4 FCCU
Amine Plant
U25 FCCU
U25 FCCU
U25 FCCU
U25 FCCU
North Flare
Sulfur Recovery Unit
Sulfur Recovery Unit
Crude Unit
North Flare
South Flare
South Flare
U25 FCCU
U25 FCCU
U25 FCCU
U25 FCCU
U25 FCCU
Sulfur Recovery Unit
Sulfur Recovery Unit
Crude Unit
North Flare
South Flare
U4 FCCU
U4 FCCU
U4 FCCU
U4 FCCU
U4 FCCU
Amine Plant
U4 FCCU
U4 FCCU
U25 FCCU
U25 FCCU
Point Source
Point Source
0
U25 FCCU
0
U4 FCCU
U4 FCCU
U4 FCCU
HF Sinclair Refinery EER 1Q2025
1 Type Code 260
(CGA Results)Type Code Channel Date Audit Point No. Cylinder ID
Cylinder Expiration
Date
Type of
Certification
Units of
Measurement CEM Value Cylinder
Value
Precision
%Pass/ Fail Range - High or
Low
1 Valid Cal. Gas 260 H2S 02/20/25 1 CC358743 04/19/25 EPA Traceability Protocolppm 58.2 59.9 280.00% pass low
1 Valid Cal. Gas 260 H2S 02/20/25 2 CC18730 02/28/27 EPA Traceability Protocolppm 184.1 183.6 20.00% pass high
1 Valid Cal. Gas 260 O2 02/25/25 1 EB0095843 11/25/27 EPA Traceability Protocol% 3.8 4 550.00% pass low
1 Valid Cal. Gas 260 O2 02/25/25 2 CC484626 02/26/27 EPA Traceability Protocol% 9.6 10.1 450.00% pass high
1 Valid Cal. Gas 260 H2S 12/13/24 1 CC216113 11/29/25 EPA Traceability Protocolppm 61.3 59.5 310.00% pass low
1 Valid Cal. Gas 260 H2S 12/13/24 2 CC504017 04/20/25 EPA Traceability Protocolppm 186.2 177.7 480.00% pass high
1 Valid Cal. Gas 260 TRS 02/26/25 1 CC10516 12/28/25 EPA Traceability Protocolppm 443 406.1 910.00% pass low
1 Valid Cal. Gas 260 TRS 02/26/25 2 CC456684 08/02/25 EPA Traceability Protocolppm 1224.3 1192 270.00% pass high
1 Valid Cal. Gas 260 TRS 02/26/25 1 CC415059 11/16/26 Primary Standard ppm 66325 60040 1050.00% pass low
1 Valid Cal. Gas 260 TRS 02/26/25 2 CC55059 05/17/26 Certified Standard-SPECppm 179736 180100 20.00% pass high
1 Valid Cal. Gas 260 H2S 12/12/24 1 CC216113 11/29/25 EPA Traceability Protocolppm 57.6 59.5 310.00% pass low
1 Valid Cal. Gas 260 H2S 12/12/24 2 CC504017 04/20/25 EPA Traceability Protocolppm 172.8 177.7 270.00% pass high
1 Valid Cal. Gas 260 TRS 02/24/25 1 CC10516 12/28/25 EPA Traceability Protocolppm 426.7 406.1 510.00% pass low
1 Valid Cal. Gas 260 TRS 02/24/25 2 CC456684 08/02/25 EPA Traceability Protocolppm 1235.3 1192 360.00% pass high
1 Valid Cal. Gas 260 TRS 02/24/25 1 CC415059 11/16/26 Primary Standard ppm 58937 60040 180.00% pass low
1 Valid Cal. Gas 260 TRS 2/24/25 2 CC55059 5/17/26 Certified Standard-SPECppm 187,875 180,100 4 pass high
1 Valid Cal. Gas 260 O2 2/21/25 1 CC507247 1/6/28 EPA Traceability Protocol% 5 5 6 pass low
1 Valid Cal. Gas 260 O2 2/21/25 2 EB0108817 5/2/25 EPA Traceability Protocol% 11 11 1 pass high
1 Valid Cal. Gas 260 SO2 2/21/25 1 CC470425 4/12/29 EPA Traceability Protocolppm 53 50 4 pass low
1 Valid Cal. Gas 260 SO2 2/21/25 2 CC476299 5/16/30 EPA Traceability Protocolppm 111 110 1 pass high
1 Valid Cal. Gas 260 CO 2/24/25 1 CC470425 4/12/29 EPA Traceability Protocolppm 248 249 0 pass low
1 Valid Cal. Gas 260 CO 2/24/25 2 CC476299 5/16/30 EPA Traceability Protocolppm 552 554 0 pass high
1 Valid Cal. Gas 260 CO2 2/24/25 1 CC507247 1/6/28 EPA Traceability Protocol% 6 6 6 pass low
1 Valid Cal. Gas 260 CO2 2/24/25 2 EB0108817 5/2/25 EPA Traceability Protocol% 11 12 9 pass high
1 Valid Cal. Gas 260 NOx 2/24/25 1 CC470425 4/12/29 EPA Traceability Protocolppm 51 51 0 pass low
1 Valid Cal. Gas 260 NOx 2/24/25 2 CC476299 5/16/30 EPA Traceability Protocolppm 110 111 1 pass high
1 Valid Cal. Gas 260 O2 2/24/25 1 CC507247 1/6/28 EPA Traceability Protocol% 5 5 2 pass low
1 Valid Cal. Gas 260 O2 2/24/25 2 EB0108817 5/2/25 EPA Traceability Protocol% 11 11 1 pass high
1 Valid Cal. Gas 260 SO2 2/24/25 1 CC470425 4/12/29 EPA Traceability Protocolppm 50 50 1 pass low
1 Valid Cal. Gas 260 SO2 2/24/25 2 CC315186 5/28/27 EPA Traceability Protocolppm 115 118 2 pass high
1 Valid Cal. Gas 260 CO 2/21/25 1 CC470425 4/12/29 EPA Traceability Protocolppm 245 249 2 pass low
1 Valid Cal. Gas 260 CO 2/21/25 2 CC476299 5/16/30 EPA Traceability Protocolppm 552 554 0 pass high
1 Valid Cal. Gas 260 CO2 2/21/25 1 CC507247 1/6/28 EPA Traceability Protocol% 6 6 2 pass low
1 Valid Cal. Gas 260 CO2 2/21/25 2 EB0108817 5/2/25 EPA Traceability Protocol% 12 12 0 pass high
1 Valid Cal. Gas 260 NOx 2/21/25 1 CC470425 4/12/29 EPA Traceability Protocolppm 58 51 14 pass low
1 Valid Cal. Gas 260 NOx 2/21/25 2 CC476299 5/16/30 EPA Traceability Protocolppm 116 111 4 pass high
1 Valid Cal. Gas 260 O2 2/21/25 1 CC507247 1/6/28 EPA Traceability Protocol% 5 5 6 pass low
1 Valid Cal. Gas 260 O2 2/21/25 2 EB0108817 5/2/25 EPA Traceability Protocol% 11 11 1 pass high
1 Valid Cal. Gas 260 SO2 2/21/25 1 CC470425 4/12/29 EPA Traceability Protocolppm 53 50 4 pass low
1 Valid Cal. Gas 260 SO2 2/21/25 2 CC476299 5/16/30 EPA Traceability Protocolppm 111 110 1 pass high
1 260 0 1/0/00 0 0 1/0/00 0 0 0 0 0 0 0
1 Type Code 270
(Linearity Test Results)Type Code Channel Date Audit Point No. Cylinder ID
Cylinder Expiration
Date
Type of
Certification
Units of
Measurement CEM Value Cylinder
Value
Precision
%Pass/ Fail Range - High or
Low
1 270 0 01/00/00 0 0 01/00/00 0 0 0 0 0.00% 0 0
1
Type Code 210
(Pollutant Concentration
Exceeded Span of CEM)
Type Code Channel Start Date Start Time End Date End Time Hours
1 0 0 0 1/0/00 0:00 1/0/00 0:00
1
1 None Reported
1 0 TC 220 Hours 271.27 TC 220 Hours 0.00 TC 230 Hours 0.00 Events 0.00 Hours 0.00 Events 0.00 0.00
1 267.88 TC 300 Hours 3.39 FALSE
0
0
0
U4 FCCU
U4 FCCU
U4 FCCU
U4 FCCU
U4 FCCU
U4 FCCU
U4 FCCU
U25 FCCU
U25 FCCU
U25 FCCU
U25 FCCU
U25 FCCU
U25 FCCU
U4 FCCU
U4 FCCU
U4 FCCU
Crude Unit
Crude Unit
U25 FCCU
U25 FCCU
South Flare
North Flare
North Flare
North Flare
North Flare
North Flare
Sulfur Recovery Unit
U25 FCCU
U25 FCCU
South Flare
Type Code 210
(Pollutant Concentration
Exceeded Span of CEM)
Type Code 220
(Monitor Outage
During Point Source Operation)
Type Code 230
(Manual Sample - Alternate
Sampling During Monitor
Outage)
Type Code 240
(CEM Modifications)
Type Code 530
(Excess Emissions During
Emergency Conditions)
Type Code 550
(Changes in Operation in
Control Equipment When
CEM Data Not Available)
Type Code 500
(Boiler Operating Days
w/o 18 Hours of Data)
Type Code 450
(Data Excluded)
Point Source
Point Source
Point Source
Yes
North Flare
South Flare
South Flare
South Flare
South Flare
Sulfur Recovery Unit
Sulfur Recovery Unit
Sulfur Recovery Unit
Amine Plant
Amine Plant
None Reported None Reported None Reported None Reported None Reported None Reported
HF Sinclair Refinery EER 1Q2025
Relative Accuracy Overview
Point Source Channel
Date of Most
Current
RATA
Date of
Preceding
RATA
Months Between
RATA's
Units
Measured CEM Value Reference Method
Value
Relative
Accuracy Pass/ Fail
Amine Plant H2S 04/30/24 05/05/23 12 ppm 18.2 19.70 1.80 pass
U4 FCCU CO 05/01/24 05/04/23 12 ppm 95.89 95.34 2.00 pass
U4 FCCU CO2 05/01/24 05/04/23 12 ppm 14.9 15.23 2.40 pass
U4 FCCU NOx 05/01/24 05/04/23 12 ppm 13.72 19.44 8.60 pass
U4 FCCU SO2 05/01/24 05/04/23 12 ppm 0.044 0.02 0.20 pass
U4 FCCU O2 05/01/24 05/04/23 12 1.86 2.69 0.80 pass
Sulfur Recovery Unit SO2 05/01/24 05/04/23 12 ppm 0.044 0.02 0.20 pass
Sulfur Recovery Unit O2 05/01/24 05/04/23 12 1.86 2.69 0.80 pass
Crude Unit O2 08/14/24 08/25/23 12 ppm 3.2 3.50 8.30 pass
North Flare H2S 03/27/25 03/26/24 12 ppm 6.4 0.26 4.20 pass
South Flare H2S 03/26/25 03/27/24 12 ppm 6.6 2.60 3.30 pass
U25 FCCU CO 08/14/24 08/24/23 12 ppm 128.1 141.30 4.10 pass
U25 FCCU CO2 08/14/24 08/24/23 12 13.3 15.00 13.20 pass
U25 FCCU NOx 09/10/24 08/24/23 13 ppm 17.4 20.70 5.60 pass
U25 FCCU SO2 08/14/24 08/24/23 12 ppm 1.6 0.00 3.20 pass
U25 FCCU O2 08/14/24 08/24/23 12 2 2.00 5.70 pass
*
NSPS CGA First 2025
Audit Gas Ranges Audit Gas Ranges
AP1 Low AP2 Low AP1 High AP2 High
Amine Plant H2S 2/20/25 300 59.9 60 to 90
Amine Plant H2S 2/20/25 300 183.6 150 to 180
Crude Unit O2 2/25/25 20 4 4 to 6
Crude Unit O2 2/25/25 20 10.1 8 to 12
North Flare H2S 12/13/24 300 59.5 60 to 90
North Flare H2S 12/13/24 300 177.7 150 to 180
North Flare TRS 2/26/25 2000 406.1 400 to 600
North Flare TRS 2/26/25 2000 1192 1000 to 1200
North Flare TRS 2/26/25 300000 60040 60000 to 90000
North Flare TRS 2/26/25 300000 180100 150000 to 180000
South Flare H2S 12/12/24 300 59.5 60 to 90
South Flare H2S 12/12/24 300 177.7 150 to 180
South Flare TRS 2/24/25 2000 406.1 400 to 600
South Flare TRS 2/24/25 2000 1192 1000 to 1200
South Flare TRS 2/24/25 300000 60040 60000 to 90000
South Flare TRS 2/24/25 300000 180100 150000 to 180000
Sulfur Recovery Unit O2 2/21/25 20 5.1 4 to 6
Sulfur Recovery Unit O2 2/21/25 20 11 8 to 12
Sulfur Recovery Unit SO2 2/21/25 200 50.4 40 to 60
Sulfur Recovery Unit SO2 2/21/25 200 110.3 100 to 120
U25 FCCU CO 2/24/25 1000 249 200 to 300
U25 FCCU CO 2/24/25 1000 553.5 500 to 600
U25 FCCU CO2 2/24/25 20 6 5 to 8
U25 FCCU CO2 2/24/25 20 11.7 10 to 14
U25 FCCU NOx 2/24/25 200 50.9 40 to 60
U25 FCCU NOx 2/24/25 200 111.2 100 to 120
U25 FCCU O2 2/24/25 20 5.1 4 to 6
U25 FCCU O2 2/24/25 20 11 8 to 12
U25 FCCU SO2 2/24/25 200 50.4 40 to 60
U25 FCCU SO2 2/24/25 200 118 100 to 120
U4 FCCU CO 2/21/25 1000 249 200 to 300
U4 FCCU CO 2/21/25 1000 553.5 500 to 600
U4 FCCU CO2 2/21/25 20 6 5 to 8
U4 FCCU CO2 2/21/25 20 11.7 10 to 14
U4 FCCU NOx 2/21/25 200 50.9 40 to 60
U4 FCCU NOx 2/21/25 200 111.2 100 to 120
U4 FCCU O2 2/21/25 20 5.1 4 to 6
U4 FCCU O2 2/21/25 20 11 8 to 12
U4 FCCU SO2 2/21/25 200 50.4 40 to 60
U4 FCCU SO2 2/21/25 200 110.3 100 to 120
Audit Gas Used High Span Audit Gas UsedPoint Source Channel Audit Date Low Span
HF Sinclair Refinery EER 1Q2025
Monitoring Information TC 210, 230, & 240
Type Code 210
(Pollutant Concentration Exceeded Span of CEM) - 500 (All)
*
Sum of Hours Column Labels
Row Labels (blank) Grand Total
(blank)0 0
Grand Total 0 0
*
Type Code 230
(Manual Sample - Alternate Sampling During Monitor Outage) - 500 (All)
*
Sum of Hours Column Labels
Row Labels (blank) Grand Total
(blank)0 0
Grand Total 0 0
*
Type Code 240
(CEM Modifications) - 100 (All)
*
Count of Channel Column Labels
Row Labels (blank) Grand Total
(blank)
(blank)
Grand Total
HF Sinclair Refinery EER 1Q2025
Type Code 220
(Monitor Outage During Point Source Operation) - 600 (All)
*
Sum of Hours Column Labels
Row Labels 723 724 721 722 703 Grand Total
Amine Plant
H2S
QA Calibrations performed 0.98 0.98
U4 FCCU
O2
Annual Preventative Maintenance 0.98 0.98
Cylinder Gas Audit 1.97 1.97
Analyzer Software Malfunction, Reset software 0.98 0.98
CO
Annual Preventative Maintenance 0.98 0.98
Cylinder Gas Audit 1.97 1.97
Broken part inside analyzer, part replaced 110.98 110.98
Analyzer Software Malfunction, Reset software 3.98 3.98
CO2
Annual Preventative Maintenance 0.98 0.98
Cylinder Gas Audit 1.97 1.97
Broken part inside analyzer, part replaced 110.98 110.98
Analyzer Software Malfunction, Reset software 3.98 3.98
NOx
Annual Preventative Maintenance 0.98 0.98
Cylinder Gas Audit 1.97 1.97
Analyzer Software Malfunction, Reset software 0.98 0.98
SO2
Annual Preventative Maintenance 0.98 0.98
Cylinder Gas Audit 1.97 1.97
Analyzer Software Malfunction, Reset software 0.98 0.98
Sulfur Recovery Unit
O2
Annual Preventative Maintenance 0.98 0.98
Cylinder Gas Audit 1.97 1.97
Analyzer Software Malfunction, Reset software 0.98 0.98
SO2
Annual Preventative Maintenance 0.98 0.98
Cylinder Gas Audit 1.97 1.97
Analyzer Software Malfunction, Reset software 0.98 0.98
U25 FCCU
O2
Annual Preventative Maintenance 0.98 0.98
Analyzer locked up, rebooted Analyzer 0.98 0.98
CO
Annual Preventative Maintenance 0.98 0.98
Analyzer locked up, rebooted Analyzer 0.98 0.98
CO2
Annual Preventative Maintenance 0.98 0.98
Analyzer locked up, rebooted Analyzer 0.98 0.98
NOx
Annual Preventative Maintenance 0.98 0.98
Analyzer locked up, rebooted Analyzer 0.98 0.98
SO2
Annual Preventative Maintenance 0.98 0.98
Analyzer locked up, rebooted Analyzer 0.98 0.98
North Flare
TRS
Process issues in other units causing upset. Attempted to line out
process 1.98 1.98
Power bump. Worked to bring power back online and line out units 1.98 1.98
South Flare
TRS
Cylinder Gas Audit 0.98 0.98
Grand Total 15.73 11.80 226.88 12.88 3.97 271.27
HF Sinclair Refinery EER 1Q2025
SO2 *
SO2 Type Code 410 (SO2) - 6000 (All)
SO2 *
SO2 Count of Magnitude of Emissions Column Labels
SO2 Row Labels (blank)Grand Total
SO2 0
SO2 U4 FCCU 1 1
SO2 Sulfur Recovery Unit 1 1
SO2 U25 FCCU 1 1
SO2
SO2 Grand Total 3 3
NOx *
NOx Type Code 420 (NOx) - 6000 (All)
NOx *
NOx Count of Magnitude of Emissions Column Labels
NOx Row Labels (blank)Grand Total
NOx U4 FCCU
NOx 0 1 1
NOx U25 FCCU
NOx 0 1 1
NOx Grand Total 2 2
H2S/TRS *
H2S/TRS Type Code 430
(H2S) - 6000 (All)
H2S/TRS *
H2S/TRS Count of Magnitude of Emissions Column Labels
H2S/TRS Row Labels (blank)702 703 Grand Total
H2S/TRS Amine Plant
H2S/TRS 0 1 1
H2S/TRS North Flare
H2S/TRS Unit interlock caused high flow to the flare, worked to bring unit
back online 1 1
H2S/TRS Breaker/transformer tripped caused unit outage and exceedance.
Reset and attempted to line out units 6 6
H2S/TRS Process issues in other units causing upset. Attempted to line out
process 17 17
H2S/TRS Compressor Interlock, Compressor brought back online 7 7
H2S/TRS South Flare
H2S/TRS Breaker/transformer tripped caused unit outage and exceedance.
Reset and attempted to line out units 2 2
H2S/TRS Grand Total 1 8 25 34
CO *
CO Type Code 440
(CO) - 6000 (All)
CO *
CO Count of Magnitude of Emissions Column Labels
CO Row Labels (blank)701 703 Grand Total
CO U4 FCCU
CO Process issues in other units causing upset. Attempted to line out
process 3 3
CO Lost charger to unit. Brought unit back online 2 2
CO Compressor Interlock, Compressor brought back online 1 1
CO U25 FCCU
CO Process Interlock of the FCCU, Attempted restart of unit 4 4
CO Startup/Shutdown of FCCU 3 3
CO Grand Total 3 10 13
HF Sinclair Refinery EER 1Q2025
VOC/THC *
VOC/THC Type Code 460 (VOC/THC) - 6000 (All)
VOC/THC *
VOC/THC Count of Magnitude of Emissions Column Labels
VOC/THC Row Labels Grand Total
VOC/THC Grand Total
O2 *
O2 Type Code 470
(TRS as O2) - 6000 (All)
O2 *
O2 Count of Magnitude of Emissions Column Labels
O2 Row Labels 703 Grand Total
O2 Crude Unit
O2 Process variations caused emission excess. Made adjustments to
unit to bring back in line 1 1
O2 Grand Total 1 1
P.M.*
P.M.Type Code 490
Particulate (PM) - 6000 (All)
P.M.*
P.M.Count of Magnitude of Emissions Column Labels
P.M.Row Labels 703 Grand Total
P.M.Plugging, worked to clean out line 2 2
P.M.U4 FCCU 2 2
P.M.Grand Total 2 2
HF Sinclair Refinery EER 1Q2025
Type Code 500
Before February 28, 2005 (Boiler Operating Days w/o 18 Hours of
Data) After February 28, 2005 (90% Operating Hours For each 30 BOD)
- 500
(All)
*
Count of Channel Column Labels
Row Labels Grand Total
Grand Total
*
Type Code 510
(F-factor, Equations & Conversion Factors) - 500 (All)
Count of F-factor Column Labels
Row Labels Grand Total
Grand Total
*
Type Code 520
(Minimum Data Not
Obtained <22/30 BODs) - 500
(All)
Count of Channel Column Labels
Row Labels Grand Total
Grand Total
*
Type Code 530
(Excess Emissions During Emergency Conditions) - 500 (All)
Count of Date Column Labels
Row Labels Grand Total
Grand Total
*
Type Code 540
(Fuel Pre-treatment Credit SO2) - 500 (All)
Count of Date Column Labels
Row Labels Grand Total
Grand Total
*
TypeCode 550
(Changes in Operation in Control Equipment When CEM Data Not
Available) - 500
(All)
Column Labels
Row Labels Grand Total
Grand Total