DAQ-2024-008219

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DAQC-490-24
Site ID 14408 (B4)

MEMORANDUM

TO: STACK TEST FILE – UINTA WAX OPERATING, LLC – Randlett Compressor
Station

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

FROM: Paul Bushman, Environmental Scientist

DATE: May 21, 2024

SUBJECT: Source: One (1) Caterpillar G3516B engine, Unit ID #3, SN: JEF02236
Location: Remote location in Uintah County, UT
Contact: Kaylene Bridwell: 405-496-7308
Tester: Oasis Emission Consultants, Inc.
Site ID #: 14408
Permit/AO #: DAQE-AN144080005-15 dated November 2, 2015
Subject: Review of Pretest Protocol dated May 17, 2024

On May 17, 2024, Utah Division of Air Quality (DAQ) received a test notification for the testing of
one (1) Caterpillar G3516B engine located at Randlett Compressor Station, Uintah County, UT. Testing
will be performed during the June 18, 2024, through June 21, 2024, test campaign to determine
compliance with the emission limits found in condition II.B.2.a of DAQE-AN144080005-15.

PROTOCOL CONDITIONS:

1. RM 1 used to determine sample velocity traverses: OK
2. RM 2 used to determine gas velocity and volumetric flow rate: OK
3. RM 3A used to determine dry molecular weight of the gas stream: OK
4. RM 320 used to determine NOx, CO, H2O, and VOC emissions: OK

DEVIATIONS: No deviations stated in the protocol.

CONCLUSION: The protocol appears to be acceptable.

RECOMMENDATION: Send protocol review and test date confirmation notice.

ATTACHMENTS: Uinta Wax Operating, LLC test notification and pretest protocol.
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