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API DSS.Data Requirements C:IAPIDSSISTCK2BIO.SAV 08/07/96 17:11 <br /> The following chemicals were selected: <br /> Benzene <br /> Data for Fate and Transport Models <br /> 4kil Model- Deterministic <br /> Model Control Parameters <br /> Simulation Time (max-100) [years] 100 <br /> Number of soil layers 3 <br /> Sublayers in layer 1 1 <br /> Sublayers in layer 2 1 <br /> Sublayers in layer 3 1 <br /> Volatile emissions: No <br /> Climate Parameters <br /> Surface Temperature [C] 16 <br /> Evapotranspiration [cm/day] 0.001 <br /> Precipitation [cm/yr] 38 <br /> Storm duration [days] 2 <br /> Number of storms [yr^-1] 8 <br /> Length of Rainy Season [months] 5 <br /> Soil Column Data <br /> Effective porosity[-] 0.38 <br /> Dry Wt. Soil Bulk Density [g/cm/13] 1.7 <br /> X-dimension of the source [m] 9 <br /> Y-dimension of the source [m] 9 <br /> Layer 1 <br /> Thickness of Layer[m] 4 <br /> trinsic Permeability [cm^2] 1 E-7 <br /> ction Organic Carbon [-] 0.005 <br /> nzene Load [kg] 0.00 <br /> Layer 2 <br /> Thickness of Layer[m] 8 <br /> Intrinsic Permeability [cm^2] 1 E-7 <br /> Fraction Organic Carbon [-] 0.005 <br /> Benzene Load [kg] 0.057 <br /> Layer 3 <br /> Thickness of Layer[m] 0.1 <br /> Intrinsic Permeability [cm^2] 1 E-7 <br /> Fraction Organic Carbon [-] 0.005 <br /> Benzene Load [kg] 0.0 <br /> Sesoil Chemical Specific Parameters <br /> Benzene <br /> Solubility[mg/1] 1750 <br /> Diffusion Coeff. in Air[cm^2/s] 0.087 <br /> Henrys Constant[Atm/m^3/mol] 2.49E-01 <br /> Koc [ug/gOC/ug/mi] 83 <br /> Degradation Rate Constant in Unsaturated Zc 1 e4days] <br /> Vapor Pressure [mmHg] 95.2 <br />—.-Diffusion Coeff.-in Water.[cvN2/s]:=-.. -- -= 9.80E-06-_ - <br /> AT123D Model - Deterministic <br /> Model Control Parameters <br /> i <br /> I e aquifer(y) Yes <br /> i e in depth No <br /> Type of source <br /> Simulation Time (years) 100 <br /> Media Specific Parameters <br /> Effective Porosity[-] 0.38 <br />