DAQ-2024-004295

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DAQC-1294-23
Site ID 10795 (B4)

MEMORANDUM

TO: STACK TEST FILE – UTAH MUNICIPAL POWER AGENCY – Provo Power
Plant

THROUGH: Rik Ombach, Minor Source Oil and Gas Compliance Section Manager

FROM: Paul Bushman, Environmental Scientist

DATE: November 29, 2023

SUBJECT: Source: Five (5) Caterpillar G3520H 2547kW natural gas-fired engines
Location: 702 North 300 West, Provo, 84601, Utah County, Utah
Contact: Kevin Garlick: 661-586-1240
Tester: TETCO
Site ID #: 10795
Permit/AO #: Approval Order DAQE-AN107950015-16 dated August 3, 2016
Subject: Review of Pretest Protocol received November 28, 2023

On November 28, 2023, Utah Division of Air Quality (DAQ) received a protocol for testing of five (5)
Caterpillar G3520H 2547 kW natural gas-fired engines at the Provo Power Plant in Utah County, Utah.
Testing will be performed the week of January 8, 2024, to determine compliance with the NOx emission
limits found in condition II.B.1.c of Approval Order DAQE-AN107950015-16.

PROTOCOL CONDITIONS:

1. RM 1 used to determine sample velocity traverses; OK
2. RM 2 used to determine stack gas velocity and volumetric flow rate; OK
3. RM 3 used to determine dry molecular weight of the gas stream; OK
4. RM 4 used to determine moisture content; OK
5. RM 7E to determine NOx emissions: OK

DEVIATIONS: None.

CONCLUSION: The protocol appears to be acceptable.

RECOMMENDATION: Send protocol review and test date confirmation notice.

ATTACHMENTS: Utah Municipal Power Agency Pretest Protocol

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