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Koc[uglgOC/ug/ml] 83 <br /> Degradation Rate Constant in Unsaturated Zom3qHkaqjs] <br /> Vapor Pressure [mmHg] 95.2 <br /> Diffusion Coeff. in Water[CMA 2/s] 9.80E-06 <br /> Ethylbenzene <br /> Solubility [mg/1] 152 <br /> Diffusion Coeff. in Air[cm^21s] 0.066 <br /> Henrys Constant[Atm/m^31mol] 2.87E-01 <br /> Koc [ug/gOC/ug/ml] 1100 <br /> Degradation Rate Constant in Unsaturated Zokeg0 ] <br /> Vapor Pressure[mmHg] 7 <br /> ' Diffusion Coeff. in Water[CMA 2/s] 6.80E-06 <br /> Toluene <br /> Solubility [mg/1] 535 <br /> ' Diffusion Coeff. in Air[CMA 2/s] 0.07$ <br /> Henrys Constant [Atm/m^3/mol] 2.84E-01 <br /> Koc[ug/gOC/uglml] 300 <br /> ' Degradation Rate Constant in Unsaturated ZoWtll ] <br /> Vapor Pressure [mmHg] 28.1 <br /> Diffusion Coeff. in Water[CMA 2/s] 8.60E-06 <br /> Xylene <br /> 1 Solubility [mg/I) 198 <br /> Diffusion Coeff. in Air[cm^2/s) 0.072 <br /> Henrys Constant [Atm/m^3/mol] 3.15E-01 <br /> ' Koc [ug/gOClug/ml] 240 <br /> Degradation Rate Constant in Unsaturated Zor%g0 ] <br /> Vapor Pressure [mmHg] 10 <br /> ' Diffusion Coeff. in Water[CMA 2/s] 7.80E-06 <br /> AT123D Model - Deterministic <br /> odel Control Parameters <br /> finite aquifer(y) Yes <br /> Infinite in depth No <br /> Type of source <br /> Simulation Time (years) 100 <br /> Media Specific Parameters <br /> Effective Porosity [-) 0.3 <br /> Hydraulic Conductivity [mlyr] 20000 <br /> Hydraulic Gradient[-] 0.003 <br /> Longitudinal Dispersivity [m] 10 <br /> Transverse Dispersivity [m] 3.3 <br /> Vertical Dispersivity [m] 0.33 <br /> Dry Wt. Soil Bulk Density [9/cm+*3] 1.5 <br /> Fraction Organic Carbon [-] 0.01 <br /> Thickness of the aquifer[m] 10 <br />' Receptor Well Geometry <br /> X Coord -of Well [m) 8 <br /> Y Coord -of Well [m) 4 <br /> Z Coord -Top of Screen [m] 0 <br /> Z Coord - Bottom of Screen [m] - 4' <br />' Source Geometry — <br /> Length of source in X-dir[m] <br /> ngth of source in Y-dir[m] <br /> ickness of source in Z-dir[m] <br />' Benzene <br /> Ethylbenzene <br />' Toluene —' <br /> Xylene <br />