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. Author manuscript; available in PMC: 2010 Jul 20.
Published in final edited form as: Ground Water Monit Remediat. 2009 Jan 1;29(1):92–104. doi: 10.1111/j.1745-6592.2008.01218.x

Figure 4.

Figure 4

Soil gas concentration profiles (left hand side) and pressure fields (right hand side) for homogeneous and layered soil scenarios. In this case, the internal building depressurization is assumed to be 5 Pa. In the pressure field plots, qualitative soil gas velocity vectors are shown. Within the structure foundation are indicated the calculated indoor air concentrations (left hand side) and soil gas entry flowrates (right hand side). Panel A. shows results for a homogeneous soil. Panels B. through G. show results for layered soils.