Implementation of a real-time environmental data management system to ensure HRVOC program compliance

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The BP Texas City Site (Refinery and Chemicals Plant) has successfully implemented a real-time environmental data management system in order to comply with the Highly Reactive Volatile Organic Compound (HRVOC) rule from the Texas Commission on Environmental Quality (TCEQ). This unique rule is part of TCEQ's overall strategy within the Texas State Implementation Plan to bring the Houston area into attainment for ozone per the Clean Air Act. The BP Texas City Site is located in the Houston/Galveston area to which this program applies.

The BP Texas City Refinery is widely regarded as the most complex refinery in the world, with a capacity of 460,000 barrels per day. Additionally, the BP Texas City Chemicals Plant is the largest producer of paraxylene and metaxylene globally. This paper presents the challenges faced, and benefits attained, when implementing the realtime environmental data management system (based on the Mustang/Ellipsys E!CEMS software suite) at the BP Texas City Site for HRVOC rule compliance. The Air Emissions Management System (AEMS) HRVOC Project implementation was very complex due to the size, intricacy and geographic diversity of the site; the coordination required with other internal related projects, such as the HRVOC infrastructure project (Program Clear Skies); and the ongoing re-commissioning of the facility from an extended shutdown after Hurricane Rita. In the future, the system will be expanded to include NOx mass emissions cap and trade program and Flexible Air Permit requirements.

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