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Pate and Transport Input FATE AND TRANSPORT MODEL INPUT SUMMARY FILE Model Description Unsaturated zone model linked with saturated zone model Title Lathrop G&F Preliminary 5oz1 Simulation time (years) 100 Vadose zone source Parameters ' Thickness of contamination (m) 4 6 Depth to top of contamination (m) 1 5 Length of source (m) 4 6 ' Width of source (m) 4 6 Unsaturated zone Properties Total Porosity in vadose zone (cm3/cm3) 0 25 Residual water content (cm3/cm3) 0 12 Fraction organic carbon (g oc/g soil) 5 OOE-03 soil bulk density (g/cm3) 1 7 Infiltration Rate (cm/yr 2 7 Saturated conductivity (m/d) 0 86 Van Genuchten's N Thickness of vadose zone (m) g 1 Lens Parameters ' Thickness of lens (m) 1 8 Total porosity in lens (cm3/cm3) 0 40 Residual water content---lens (cm3/cm3) 0 21 saturated conductivity (m/d) 2 20E-02 ' van Genuchten N in lens 1 1 Aquifer Properties ' Effective porosity (cm3/cm3) 20 Fraction organic carbon ( oc/g soil) 0 OOE -03 Hydraulic conductivity (m9d) 0 86 soil bulk density (g/cm3) 1 7 Hydraulic gradient (m/m) 5 OOE-03 ***Longitudinal dispersivity (m) code calculated ***Transverse dispersivity (m) code calculated ***vertical dispersivity (m) code calculated Receptor Well Location Distance downgradient (m) 14 ' Distance cross-gradient (m) 0 0 Depth to top of well screen (m) 0 0 Depth to bottom of well screen(m) 4 6 Number of points used to calc conc 3 ' TPH Data for Unsaturated zone Source Concentration of TPH in soil (mg/kg) 7 52E+03 ' Molecular weight of TPH (g/mol) 1 50E+02 CHEMICAL DATA FOR Ethylbenzene ' Diffusion coefficient in air (cm2/s) 7 50E-02 Diffusion coefficient in water (cm2/s) 7 60E-06 solubility (mg/1) 1 69E+02 vapor pressure (mmHg) g 6 KOC (L/kg) 3 60E+02 ' Henry's Law coefficient (-) 0 32 molecular weight (g/mol) 1 06E+02 Degradation rate, saturated zone ((1/d) 3 OOE-03 • Degradation rate, vadose zone (1/d) 3 OOE-03 ' source-Concentrations source conc for unsaturated zone model (mg/kg) 5 5 Page 1