DAQ-2025-001297

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DAQC-PBR036140001-25
Site ID 3614 (B1)
MEMORANDUM

TO: FILE – OVINTIV USA INC – South Lateral Booster Station

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

FROM: Fred Goodrich, Environmental Scientist

DATE: February 21, 2025

SUBJECT: OIL AND GAS PERMIT-BY-RULE EVALUATION

INSPECTION DATE: January 23, 2025

SOURCE LOCATION: Lat: 40.193839 Long: -110.114961

Business Office:
Ovintiv USA Inc.
370 17th Street Suite 1700
Denver, CO 80202

SOURCE TYPE: Tank Battery
Duchesne
API:

SOURCE CONTACTS: Ryan Zillner, Corporate Environmental Contact
Phone: [phone], Email: [e-mail]

OPERATING STATUS: Operating status on memo

PROCESS DESCRIPTION: Ovintiv uses this facility to boost production salt water from
neighboring wells to central injection sites or water disposal
facilities.

APPLICABLE REGULATIONS: Utah Administrative Code (UAC) R307-500 Series for the Oil
and Gas Industry, and UAC R307-201: Emission Standards:
General Emission Standards; and UAC R307-150: Emission
Inventories. Federal Subpart:

SOURCE EVALUATION: Site Type: PBR-Uncontrolled
No Flare Controls, Site has Line Power.
DOGM current 12 month rolling production is: 0.
Utah Statute R307-506 requires a source with throughput
greater than 8,000 BBLs to have controls.

REGISTERED EQUIPMENT: Pneumatic, Tank

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General Provisions Visible emissions are within the following opacity limits: VOC Control Devices and Gasoline engines 0%, Diesel engines 20%, Natural Gas Engines and Boilers, Treater burners & Tank burners 10%, Mobile source dust 10%. [ R307-201-3] In Compliance. No excessive opacity limits were observed during evaluation. All natural gas-driven pneumatic controllers are in compliance with 40CFR 60.5390 or 60.5390a as applicable. Tagging and record keeping requirements are not required. [R307-502-4] In Compliance. This source does not use continuous bleed controllers. Associated Gas Flares Any flare has an operational auto-igniter and a continuously burning pilot flame. [R307-503-4] In Compliance. Source meets uncontrolled requirements. All other internal components of tank battery functioning as designed. Tank Truck Loading Truck loading is done by bottom filling or submerged fill pipe [R307-504(1)] In Compliance. The truck loading valves were built and designed for submerged loading. Storage Vessels Thief hatches are kept closed and latched. [R307-506-4(1)] In Compliance. All hatches were found closed at the start of the evaluation. Associated Gas Flaring Associated gas is routed to a process unit for combustion, a sales pipeline or an operating VOC control device, except in an emergency. An emergency release is unanticipated, temporary, infrequent, unavoidable, =24 hrs. and is not due to operator negligence. Low pressure gas from working loss, breathing loss and oil flashing is not "associated gas". [R307-511-4(1)] In Compliance. Salt water booster station. No oil and gas production is associated with source. Oil and Gas Industry Registration Requirement Source appears to meet this requirement. Applicable Federal Regulations This source is permitted with the State of Utah with legal and enforceable limits, They do not have the production that would qualify under 40CFR (60) OOOO for a tank affected facility.

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PREVIOUS ENFORCEMENT
ACTIONS: None in the past 5 years.

COMPLIANCE STATUS &
RECOMMENDATIONS: In regards to the site, the overall status is: In Compliance.
OGI camera was used during evaluation, no fugitive emissions
were detected. Source was clean and well kept. DAQ
recommends frequency of inspections to decrease, since source
mainly boosts salt water via pipeline with electric pump

RECOMMENDATION FOR
NEXT INSPECTION: The DAQ has no recommendations for the next inspector other
than what are customary.

RECOMMENDATIONS FOR NSR: None.

ATTACHMENTS: None.