Modeling Subsurface Petroleum Hydrocarbon Transport
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If the sampling network is confined to a small area (e.g., a service station property), then the true extent of the plume can be missed. This situation could occur because of infrastructure limitations on sampling locations. As shown here the plume extends in a direction that is not covered by any monitoring point.
The dashed lines show that the plumes might actually extend beyond the end of the monitoring network and be undetected. This happens for this site because the monitoring network didn't adequately determine the toe of the plume.
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