Petroleum Refining/Storage

Refinery Process Descriptions

A refinery client asked WREG to identify all discharges from the refinery’s sulfur recovery complex. For each unit in the sulfur recovery complex, WREG prepared a process unit block diagram and a discharge matrix. The process block ...


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Startup, Shutdown and Malfunction Plans

WREG revised and updated the startup, shutdown, and malfunction plans (SSMPs) for the Maximum Achievable Control Technology (MACT)-regulated units at two refineries. Both refineries contain units that are subject to the refinery MACT ...


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Routine Maintenance, Repair, and Replacement Determination

In conjunction with a law firm, WREG reviewed Fluid Catalytic Cracking Unit (FCCU) changes planned for a rapidly approaching refinery turnaround and assisted the client in obtaining a determination from the ...


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Refinery Modeling Analysis and Compliance Support

WREG reviewed and updated modeling analyses for a regional petroleum refinery as part of an effort to finalize construction permits for refinery modifications. Since the initial modeling was performed, the refinery ...


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Refinery Construction Permits

WREG assisted a refinery client in Wyoming in preparing two construction permit applications. One was focused on expansion of the crude unit and included a detailed netting analysis to avoid major modification requirements for nitrogen oxides (NOx). ...


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Petroleum Storage Tank Regulations: Permitting, Inspections, and Compliance

One of WREG’s Principals has developed considerable expertise in the air quality regulations affecting petroleum storage tanks at refineries and bulk terminals, including both internal and external ...


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Early Action Compact/Ozone Action Plan

WREG provided support to the Colorado Petroleum Association (CPA) during the Denver Early Action Compact (EAC) development and modeling process in 2003. The EAC allowed the Denver area to postpone designation as a ...


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Continuous Emission Monitors Quality Assurance Plans

WREG prepared quality assurance (QA) plans for the continuous emission monitors (CEMs) at a refinery. Plans were prepared for sulfur dioxide (SO2), nitrogen oxides (NOx), carbon monoxide (CO), hydrogen sulfide ...


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Colorado Refining Company/Suncor Energy (USA) Inc.

WREG personnel provided air compliance, permitting, and training support to the Colorado Refining Company (CRC) from 1995 to 2005. Following the purchase of CRC’s Denver refinery by Suncor Energy (USA) Inc. ...


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