“The greatest benefit is better con- trol of the vapor recovery system to prevent overpressure and leakage to the atmosphere. Now we can more easily conform to the strict state environmental regulations.” Plant Engineer Refinery in Eastern U.S. REFINING Refinery Gets Tighter Control of Vapor Recovery System with Nitrogen Blanket Monitoring RESULTS • Tighter control of vapor recovery system • Environmental protection against benzene leakage • Manpower savings with reduced manual measurements APPLICATION Nitrogen blanket monitoring CUSTOMER Refinery in Eastern United States (U.S.) CHALLENGE State regulations require a refinery in the Eastern U.S. to monitor the nitrogen blanket on benzene tanks to prevent it from being vented into the atmosphere. Without proper pressure information,

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