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Home My WebLink AboutDAQ-2025-0001131 DAQC-PBR146670001-24 Site ID 14667 (B1) MEMORANDUM TO: FILE – UINTA WAX OPERATING, LLC – Merritt 1.5-18-3-1E-H1 THROUGH: Rik Ombach, Minor Source Oil and Gas Compliance Section Manager FROM: Stephen Foulger, Environmental Scientist DATE: December 31, 2024 SUBJECT: OIL AND GAS PERMIT-BY-RULE EVALUATION INSPECTION DATE: November 15, 2024 SOURCE LOCATION: Lat: 40.228596, Long: -109.921836 Business Office: Uinta Wax Operating, LLC 1308 Lake Street Fort Worth, TX 76102 SOURCE TYPE: Tank Battery API: 4304754395 SOURCE CONTACTS: Kaylene Bridwell, Corporate Environmental Contact Phone: 405-496-7308, Email: kaylene.bridwell@uintawax.com OPERATING STATUS: Operating PROCESS DESCRIPTION: Oil and gas products are brought to the surface. These products go through a separator where the oil and any water products are sent to storage tanks and the gas is used to power equipment on site (pump jack engine, tank heater, separator, flare, combustor, etc.) Any remaining gas is sent to a pipeline that feeds a local gas plant. The oil and process water in the storage tanks is loaded into tanker trucks and hauled off-site for processing and disposal. 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: 40 CFR 60 Subpart JJJJ, 40 CFR 60 Subpart OOOO. SOURCE EVALUATION: Site Type: PBR – Controlled Voluntarily Controlled by Flare, Site powered by Engine. DOGM current 12 month rolling production is: 3,354. / + # ) * 0 ' " - 2 Utah Statute R307-506 requires a source with throughput greater than 8,000 BBLs to have controls. REGISTERED EQUIPMENT: Tanks, Engine, Combustor Visible Emissions 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 visible emissions were observed at the time of inspection. VOC emissions are, at all times, minimized as reasonably practicable by equipment design, maintenance and operation practices. [R307-501-4(1)] In Compliance. VOC emissions were found properly controlled and minimized at the time of inspection. 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. No continuous bleed pneumatic controllers were found at the time of inspection. Pneumatic Controllers Truck loading is done by bottom filling or submerged fill pipe [R307-504(1)] In Compliance. Truck loading found properly designed at the time of inspection. Air pollution control equipment is installed appropriately, maintained and operated, pursuant to the manufacturers specifications, to control emissions. [R307-501-4(2)] In Compliance. Control equipment found properly installed, maintained, and operated at the time of inspection. Storage Vessels Thief hatches are kept closed and latched. [R307-506-4(1)] In Compliance. Thief hatches onsite were found closed and latched at the time of inspection. Upon modification, the well site was re-evaluated against the thresholds of R307-506-4(2). [R307-506-4(6)] In Compliance. No modifications to well site were observed at the time of inspection. 3 Emission Inventory: An emissions inventory has been submitted within the past three years. [R307-150-9(1)] In Compliance. This source was found properly reported in the emissions inventory at the time of inspection. Oil and Gas Industry Registration Requirement The source is registered with the DAQ. [R307-505-3(3)] In Compliance. The source was found properly registered with the DAQ at the time of inspection. Registration has been updated within 30 days of a company name change, removal or addition of control devices, or termination of operations. [R307-505-3(3)] In Compliance. The source information was found properly updated reflecting current information at the time of inspection. Engines subject to R307-510 shall be certified or have an initial performance test per CFR 60.4244. [R307-510-4(2)] In Compliance. Engine on this location predates these 2016 requirements. Engines that were installed, relocated or modified after January 1, 2016 are required to show compliance with Table 1 of R307-510-4 through a performance test evaluation that is reviewed by the DAQ and found to be in compliance. [R307-510-4(1)] In Compliance. Engine on location predates these 2016 requirements. Records for each of the following are kept for three years: Monthly storage vessel vent system inspections (openings, thief hatches, pressure relief devices, bypasses, etc.), if controlled. Monthly crude oil throughput Emission calculations, actuals and sampling data when used to justify an exemption to storage vessel rules Emergency storage vessel usage (dates used, emptied, and volumes), if not controlled. [R307-506-5] In Compliance. These records were observed at the time of inspection and found to be compliant. NSPS (Part 60) JJJJ: Standards of Performance for Stationary Spark Ignition Internal Combustion Engines [40 CFR 60 Subpart JJJJ] In Compliance. NSPS (Part 60) OOOO: Standards of Performance for Crude Oil and Natural Gas Production, Transmission and Distribution [40 CFR 60 Subpart OOOO] In Compliance. 4 PREVIOUS ENFORCEMENT ACTIONS: None in the past 5 years. COMPLIANCE STATUS & RECOMMENDATIONS: In Compliance. RECOMMENDATION FOR NEXT INSPECTION: Decrease to less frequent. ATTACHMENTS: None.