Most sources of fugitive emissions are from multiple points rather than single point sources. So, open path area or perimeter monitoring provides more meaningful fugitive emissions data than an array of point sensors or a program of grab sampling. Point measurements may underestimate emissions because of missing locations with high gas concentrations, or conversely overestimate because they are located in areas of high concentrations. Grab sampling programs typically check only a small percentage of potential leak locations and extrapolate results to an entire facility. Wide margins of uncertainty are associated with such extrapolations. Open path monitoring provides continuously updated, real-time, integrated emissions across a facility boundary.This provides a complete picture of the fugitive emissions across that boundary,enabling identification of specific operations and times that give rise to higher emissions, and so enabling these emissions to be properly managed and controlled.
By Boreal Laser Inc. based in Edmonton, ALBERTA (CANADA).
Governments the world over are now working on regulations that will require Airlines to monitor and manage their GHG emissions. The UK is leading this effort with requirements for 2010 - 2012, and other countries are soon to follow. Implementation of GHGWARE and the VisionMonitor Real-Time Environmental Performance Suite allows proactive GHG emissions and compliance data management in real-time as well as predictive modeling tools for planning of future regulatory compliance.
By VisionMonitor Software, LLC based in Houston, TEXAS (USA).
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