DAQ-2024-011218

1
DAQC-1058-24
Site ID 10124 (B5)

MEMORANDUM

TO: FILE – SILVER EAGLE REFINING - WOODS CROSS, INC.

THROUGH: Harold Burge, Major Source Compliance Section Manager

FROM: Rob Leishman, Environmental Scientist

DATE: October 16, 2024

SUBJECT: Silver Eagle Refining Inc. (Silver Eagle), SM-80, Davis County,
FRS # UT00000049001100019

INSPECTION TYPE: State Electronic Data Report (SEDR) Review

REVIEW DATE: October 16, 2024

SOURCE LOCATION: North Salt Lake/Davis County

SOURCE CONTACT: Blaine Zwahlen, [phone]

APPLICABLE
REGULATIONS: Approval Order – DAQE-AN0101240030-16 – dated
November 9, 2016

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 Silver Eagle’s relative accuracy performance
specification test review memorandum.

SOURCE REVIEW EVALUATION:

Third Quarter 2024
% 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
Flare 2208 H2S 96% 09/18/24 05/15/24 Flare H2S 1.00 162 PPM - 3 Hr

1 8 2

2
Excess Emission Report - Hourly Summary
Point
Source Channel
Startup
&
Shutdown
Control
Equipment
Problems
Process
Problems
Other
Known
Causes
Unknown
Causes
Emission
Limit
Flare H2S 0 0 0 1 0 162 PPM - 3 Hr

CMS Performance Summary - Hourly Summary
Point
Source Channel Monitor
Malfunction
Non-monitor
Malfunction
QA
Calibrations
Other
Known
Causes
Unknown
Causes
Flare H2S 52 0 30 0

Pollutant Concentration
Exceeded Span of CEM
Monitor Outage During
Point Source Operation
Alternate
Sampling CEM Modifications
0 Hours 81 Hours 0 Hours 0 Events

SOURCE INSPECTION
SUMMARY EVALUATION: Silver Eagle Refining - Woods Cross, Inc. 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. Silver
Eagle Refining - Woods Cross, Inc. was in compliance during
this reporting period. No further enforcement actions should be
taken. Silver Eagle’s NSPS monitoring system meets the
performance standards of 40 CFR 60, Appendix B Performance
Specifications.

HIGH PRIORITY
VIOLATOR (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 and that the source can identify excessive drift.

ATTACHMENTS: Excel spreadsheet review
Silver Eagle EER 3Q2024
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 Stephen Jeffs 01100019 435-319-6861 Blaine Zwahlen
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 3 2024 2208
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 Maxum II HOU300758413700100 300 3/14/2022 Flare
1 200 H2S Siemens Maxum II 3003955197 0 300 5/1/2015 Flare
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 1 0.05% 0 0 0 1 0 162 PPM 3 Hr
1 310 0 0 0 0 0 0 0 0 0
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 2208 3.73% 82.36 52 0 30.36 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
1 358 Days 250 H2S 05/15/24 05/23/23 12 ppm 0 0 31.00% Pass
1 0 Days 250 0 01/00/00 01/00/00 0 0 0 0 0.00% 0
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 09/18/24 1 CC248878 02/22/26 NIST +/- 2 ppm 74.8 72.8 -2.70% Pass low
1 Valid Cal. Gas 260 H2S 09/18/24 2 CC317324 01/11/26 NIST +/- 2 ppm 173 171 -1.20% Pass high
1 260 0 01/00/00 0 0 01/00/00 0 0 0 0 0.00% 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 80.67 TC 220 Hours 0.00 TC 230 Hours 0.00 Events 0.00 Hours 0.00 Events 0.00 0.00
1 82.36 TC 300 Hours 1.69 FALSE
None Reported None Reported None Reported None Reported None Reported None Reported
Point Source
Point Source
Point Source
Point Source
Point Source
Point Source
Yes
Flare
0
Flare
Flare
Flare
0
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)
Silver Eagle RefiningWoods Cross Inc.
0
Type Code 450
(Data Excluded)
Flare
Flare
0
Flare
0
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)
0
Flare
0
0
0
Silver Eagle EER 3Q2024
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
Flare H2S 05/15/24 05/23/23 12 ppm 0 0.00 31.00% Pass
*
NSPS CGA Third 2024
Audit Gas Ranges Audit Gas Ranges
AP1 Low AP2 Low AP1 High AP2 High
Flare H2S 9/18/24 300 72.8 60 to 90
Flare H2S 9/18/24 300 171 150 to 180
Point Source Channel Audit Date Low Span Audit Gas Used High Span Audit Gas Used
Silver Eagle EER 3Q2024
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
Silver Eagle EER 3Q2024
Type Code 220
(Monitor Outage During Point Source Operation) - 600 (All)
*
Sum of Hours Column Labels
Row Labels 723 Grand Total
Flare
H2S
QA Calibrations 29.67 29.67
CEM failed QA calibration check and alarmed, but operators did not
contact instrument technician on weekend call. Calibartion error was
discovered on Monday by instrument technician.
51.00 51.00
Grand Total 80.67 80.67
Silver Eagle EER 3Q2024
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 721 Grand Total
H2S/TRS Flare
H2S/TRS Calibration gas valve stuck open so CEM was monitoring cal gas
instead of flare gas 1 1
H2S/TRS Grand Total 1 1
Silver Eagle EER 3Q2024
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