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API,DSS Data Requirements C:IAPIDSSISTOCK2.SAV 08/07/96 17:01 <br /> •The following chemicals were selected: ' <br /> Benzene <br /> f <br /> D D ta �to for Fate and Transport Models � <br /> ail Model - Deterministic <br /> Model Control Parameters Y <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[yrA-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/cmA3] 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 [cmA2] 1 E-7 <br /> ction Organic Carbon [-] 0.005 <br /> enzene Load [kg] 0.00 <br /> Layer 2 <br /> Thickness of Layer[m] 8 <br /> Intrinsic Permeability[cmA2] 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 [cmA2] 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[cmA2/s] 0.087 <br /> Henrys Constant[Atm/mA3/mol] 2.49E-01 <br /> Koc[ug/gOC/ug/ml] 83 <br /> Degradation Rate Constant in Unsaturated Zc O.OE+00s] <br /> Vapor Pressure [mmHg] 95.2 <br /> Diffusion Coeff. in Water[cmA2/s] 9.80E-06 - - - <br /> AT123D Model- Deterministic <br /> Model Control Parameters <br /> wwwte aquifer(y) Yes <br /> to in depth No <br /> Type of source <br /> Simulation Time (years) 100 <br /> Media Specific Parameters <br /> Effective Porosity[-] 0.38 <br />