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The red square identifies the location of the source, in this case, an underground storage tank. The blue shaded area illustrates the extent of contamination in shallow groundwater beneath the site. This simple image provides information about the horizontal extent of the plume, but does not provide detailed information, such as flow direction, the vertical extent of the plume, concentrations at different locations, and locations of wells that show or do not show contamination. Detailed illustrations, such as those shown below, can provide this information.

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current20:20, 7 March 2016Thumbnail for version as of 20:20, 7 March 2016604 × 662 (688 KB)Mtrojan (talk | contribs)


This page was last edited on 7 March 2016, at 20:53.