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Flare stacks emit excess hydrocarbon gases that cannot be recovered or recycled.These gases combined withsteam and/or air are burnt off in the flare system to produce water vapor and carbon dioxide. Flaring can occurduring start-up, shut-down and during unplanned operational interruptions such as, power outages. National andlocal govemnment bodies are requiring processing companies to monitor the various emissions from their plantstacks and flares to reduce the amount of pollution entering the atmosphere.