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' API DSS Data Requirements C IAPIDSS%FILESIGENOVA6 SAV 04/05/96 16 50 <br /> The following chemicals were selected <br /> Xylene <br /> ata for Fate and Transport Models <br /> AT123D Model - Deterministic <br /> Model Control Parameters <br /> Infinite aquifer(y) Yes <br />' Infinite in depth No <br /> Type of source Pulse <br /> Simulation Time (years) 100 <br />' Media Specific Parameters <br /> Effective Porosity[-] 055 <br /> Hydraulic Conductivity [m/yr] 3000 <br /> Hydraulic Gradient[-] 0 002 <br /> Longitudinal Dispersivity [m] 10 <br /> Transverse Dispersivity [m] 33 <br />' Vertical Dispersivity [m] 033 <br /> Dry Wt Sod Bulk Density[g/cm`"3] 1 5 <br /> Fraction Organic Carbon [-] 001 <br /> Thickness of the aquifer [m] 10 <br /> Receptor Well Geometry <br /> X Coord -of Well [m] 15 <br /> Y Coord-of Well [m] 75 <br /> Z Coord -Top of Screen [m] 0 <br /> Z Coord - Bottom of Screen [m] 4 <br /> 10 urce Geometry <br /> ength of source in X-dir [m] 15 <br /> Length of source in Y-dir[m] 15 <br />' Thickness of source in Z-dir[m] 1 52 <br /> Time duration for pulse [yr] 1 <br /> Constant Release Rate (during pulse)for Each Chemical [kgtyr] <br /> Xylene 2668 <br /> Chemical Specific Parameters for each chemical <br /> Xylene <br /> KOC [ug/gOC/ug/ml] 240 <br /> Degradation Rate Constant in Saturated Zone [Jl.�rsP0 <br /> Molecular Diff Coeff[cm^2/s] 7 80E-06 <br /> Data for Risk Assessment <br />' Body Weight and Lifetime - Deterministic <br /> Average Weight(kg) <br /> Lifetime (yrs) <br />' Drinking Water <br />' Exposure Frequency [daystyr] — <br /> Exposure Duration [years] <br /> estion Rate [liters/day] <br />' Drinking Water Chemical Specific Parameters <br /> Xylene <br /> Bioavailability [fraction] _ <br /> Oral Dose <br />