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`' Appendix A <br /> ,Am Hydrogeologic Model <br /> McDowell and Davis Geologic 1 <br /> Hydrogeologic Model <br /> SOIL PARAMETERS <br /> Vadose Zone (ft) 59 <br /> Capillary Zone (ft) 1 <br /> Depth to GW (ft) 60 <br /> Soil Density(g/cm) 1.7 <br /> Soil/GW Ph 6.5 <br /> Organic Carbon (%) 0.001 <br /> i- Soil Porosity(%) 38 <br /> Water Content(%) <br /> Capillary 15 <br /> Vadose 10 <br /> Air Content (%) <br /> Capillary 23 <br /> Vadose 28 <br /> r <br /> GROUNDWATER PARAMETERS <br /> Dispersivity(Ft/ft) <br /> Long 24.5 <br /> Lateral 2.45 <br /> Vertical 0.245 <br /> Mixing Zone Depth 3.75 <br /> .r (ft) <br /> Infiltration Rate(ft/yr.) 0.984 <br /> Velocity(ftlyr.) 186 <br /> Seepage(ftlyr.) 490— <br /> Organic <br /> 90 Organic Carbon {°/a) 0.001 <br /> AIR <br /> Air Mixing Zone (m) 2 <br /> `" Amb Velocity(m/s) 2.25 <br /> Partc Emiss (g/cm) 6.90E-14 <br /> BUILDING Resid Comm <br /> 6^ Volume/Area (cm) 200 300 <br /> Air Exchange (1/s) 1.40E-04 2.30E-04 <br /> Foundation Crack Thick (cm) 15 <br /> �.. Volume Crack Air(%} 26 <br /> BIO-DECAY RATE <br /> Delmonicao First Order <br /> Two Dimension Vertical Flow <br /> a.. <br />