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FATE AND TRANSPORT INPUT SUMMARY FILE, AREA III <br /> Model Description <br /> Saturated zone model (dissolved phase source) <br /> volatilization from groundwater to indoor air <br /> Groundwater source concentration for volatilization model will <br /> be calculated by groundwater model <br /> Title FLAG CITY FATE/TRANSPORT MODEL, AREA III TO Mw-10 <br /> Simulation time (years) 100 <br /> Unsaturated zone Properties for vapor Model <br /> Total porosity (cm3/cm3) 0 30 <br /> water content(cm3[cm3) 0 12 <br /> Thickness of capillary fringe (cm) 10 <br /> Air content in capillary fringe(cm32 <br /> cm3) 1 OOE-02 <br /> Dcont <br /> igroungobuilding (m) <br /> cing 02 <br /> istancefrom groundwater t 0 <br /> Building Parameters <br /> Cross-sect area of basement (m2) 4 00E+02 <br /> volume of building (m3) 1 40E+03 <br /> Number of air changes per day 12 <br /> Foundation thickness (m) 0 15 <br /> Fraction of cracks (cm3/cm3) 1 OOE-03 <br /> Porosity in cracks (-) 0 25 <br /> water content in cracks (-) 0 0 <br /> saturated zone Model Source <br /> ***Pulse Source <br /> Length of pulse (yr) 1 00E+02 <br /> Total thickness of source (m) 13 <br /> • Length of source (m) i 40E+02 <br /> width of source (m) 2 28E+02 <br /> Aquifer Properties <br /> Effective porosity (cm3/cm3) 0 30 <br /> Fraction organic carbon ( oc/g soil) 2 OOE-03 <br /> Hydraulic conductivity (m%) 5 0 <br /> soil bulk density (9/cm3) 1 7 <br /> Hydraulic gradient (m/m) 2 OOE-03 <br /> ***Longitudinal dispersivity (m) code calculated <br /> ***Transverse dispersivity (m) code calculated <br /> ***vertical dispersivity (m) code calculated <br /> Receptor well Location <br /> Distance downgradient (m) 81 <br /> Distance cross-gradient (m) 0 0 <br /> Depth to top of well screen (m) 0 0 <br /> Depth to bottom of well screen(m) 1 7 <br /> Number of points used to calc conc 3 <br /> CHEMICAL DATA FOR MTBE <br /> Diffusion coefficient in air (cm2/s) 7 IOE-02 <br /> Diffusion coefficient in water (cm2/s) 9 OOE-06 <br /> solubility (mg/1) 4 80E+04 <br /> vapor pressure (mmHg) 2 50E+02 <br /> KOC (L/kg) <br /> 1 <br /> Henry's Law coefficient (-) 2 04E-02 <br /> Molecular weight (g/mol) 88 <br /> Degradation rate, saturated zone (1/d) 1 90E-03 <br /> Source-Concentrations <br /> source conc for GW model (mg/1) 8 40E-02 <br /> Page 1 <br />