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API DSS Data Requirements C.IAPIDSSIFILESIGENOVA5 SAV 11/05/95 21 38 <br /> The following chemicals were selected <br /> Ethylbenzene <br /> Toluene <br /> -ylene <br />' Data 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 Instantaneous Release <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 Soil 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 /> 0 Coord-Bottom of Screen [m] 4 <br /> Source Geometry <br />' Length 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 /> Amount of Each Chemical Released Instantaneously [kg] <br /> Ethylbenzene 017 <br /> Toluene 0 017 <br />' Xylene 280 <br /> Chemical Specific Parameters for each chemical <br /> Ethylbenzene <br />' KOC [ug/gOC/ug/ml] 1100 <br /> Degradation Rate Constant in Saturated Zone pl.2(1[�sp0 <br /> Molecular Diff Coeff[CMA 21s] 6 80E-06 <br />' Toluene <br /> KOC [ug/gOC/ug/ml] 300 <br /> Degradation Rate Constant in Saturated Zone plA0151$p0 <br /> Molecular Diff Coeff[cm^2/s] 8 60E-06 <br />' Xylene <br /> KOC [ug/gOC/ug/ml] 240 <br /> Degradation Rate Constant in Saturated Zone PLAIWap0 <br /> Molecular Diff Coeff[CMA 21s] 7 80E-06 <br /> �ta for Risk Assessment <br /> Body Weight and Lifetime - Deterministic <br /> Average Weight (kg) _„_ <br /> Lifetime (Yrs) <br />