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API DSS Data Requirements C 1APIDSSIFILESIGENOVA6B SAV 04/05/96 16 43 <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 /> IMedia Specific Parameters <br /> Effective Porosity[-] 055 <br /> Hydraulic Conductivity[m/yr] 300D <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] 25 <br /> Y Coord-of Well [m] 75 <br /> Z Coord -Top of Screen [m] 0 <br /> Z Coord - Bottom of Screen [m] 4 <br /> 0 ource Geometry <br /> tength 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 [kg/yr] <br /> Xylene 2668 <br /> Chemical Specific Parameters for each chemical <br /> E Xylene <br /> KOC [ug/gOC/ug/ml] 240 <br /> Degradation Rate Constant in Saturated Zone plflDFjrgp0 <br /> Molecular Diff Coeff[CMA 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[days/yr] <br /> Exposure Duration [years] <br /> ] _ <br /> gestion Rate [liters/day] <br /> Drinking Water Chemical Specific Parameters <br /> Xylene <br /> Bioavailability[fraction] <br /> Oral Dose <br />