HomeMy WebLinkAboutDAQ-2024-0042571
DAQC-011-24
CAERS ID: 15489 (B4)
MEMORANDUM
TO: STACK TEST FILE – WESCO OPERATING INC. – Three Mile 12-2/12-7 Site
THROUGH: Rik Ombach, Minor Source Oil and Gas Compliance Section Manager
FROM: Paul Bushman, Environmental Scientist
DATE: January 4, 2024
SUBJECT: Source: Cummins G5.9L Engine; SN: 73542588
Contact: Dave Weinert: 307-577-5392
Location: San Juan County, Utah
Test Contractor: Great Plains Analytical Services, Inc.
Permit/AO#: Permit by Rule
Action Code: TR
Subject: Review of stack test report dated July 20, 2023
On December 29, 2023, Utah Division of Air Quality (DAQ) received a test report for the above listed
unit at Three Mile 12-2/12-7 Site in San Juan County, Utah. Testing was performed December 19, 2023,
to demonstrate compliance with the emission limits found in 40 CFR Part 60, Subpart JJJJ. The calculated
test results are:
Source Test Date Test
Method Pollutant Tester
Results DAQ Results Limits
Cummins G5.9L
SN: 73542588
December
19, 2023
ASTM
D6348-3
NOx 1.961 g/hp-
hr 1.919 g/hp-hr 2.83 g/hp-hr
HC + NOx N/A 1.922 g/hp-hr 2.83 g/hp-hr
CO 1.593 g/hp-
hr 1.639 g/hp-hr 4.85 g/hp-hr
DEVIATIONS: None.
CONCLUSION: The stack test report appears to be acceptable.
RECOMMENDATION: The emissions from the above units should be considered to have been in
compliance with the emission limits of 40 CFR 60 subpart JJJJ during
testing.
ATTACHMENTS: DAQ stack test review excel spreadsheets, Wesco Operating Inc. stack
test report.
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