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DAPI DSS Data Requirements C 1APIDSSIFILESIGENOVA6 SAV 04/05/96 16 50 <br /> The following chemicals were selected <br /> Xylene <br /> &ta for Fate and Transport Models <br /> ATI 23D 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 DispersNlty[m] 033 <br /> Dry Wt Soil Bulk Densrty[g/cm**3] 15 <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 /> urce Geometry <br /> ngth of source in X-dir[m] 15 <br /> Length of source in Y-dir[m] 15 <br /> Thickness of source in Z-dir[m] 152 <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/mij 240 <br /> Degradation Rate Constant in Saturated Zone PL s]70 <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 />