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. FATE AND TRANSPORT MODEL FOR SOIL OUTPUT FILE <br /> 91 0 2.15E-19 <br /> 92 0 1 77E-19 <br /> 93 0 1 46E-19 <br /> 94.0 1 21E-19 <br /> 95 0 9.95E-20 <br /> 96 0 8 21E-20 <br /> 97.0 6 77E-20 <br /> 98 0 5.59E-20 <br /> 99 0 4 61E-20 <br /> 100 0 3 81E-20 <br /> End of SATURATED SOIL GROUNDWATER MODEL OUTPUT <br /> start of model output for. <br /> Johnson and Ettinger Indoor air model <br /> with volatile emissions from soil <br /> -------------------------------------------- <br /> Calculating Vapor Phase Concentration at Source: <br /> (Using Equilibrium Partitioning Equation) <br /> Inputs. <br /> ----------------------------------- p 18 <br /> Total concentration -in soil [mg/kg] • • 0 30 <br /> Total porosity [-] . . . . . <br /> Air content [-] . . 0.18 <br /> Moisture content [-] . 0 12 <br /> Fraction organic carbon [-] 2 OOE-03 <br /> Organic carbon partitioning coeff. [ml/g] . 12 <br /> Soil bulk density [g/cm3] . . . . . 1 7 <br /> Henrys Law coeff. [-] . • 2 04E-02 <br /> Chemical solubility [mg/1] 4.80E+04 <br /> Outputs- <br /> calculated dissolved phase conc. [mg/1] 1 9 <br /> Effective solubility [mg/1] 4 80E+04 <br /> Source concentration is BELOW residual limit <br /> because calculated dissolved phase conc <br /> is LESS than the effective solubility. <br /> Dissolved phase conc at source [m /1] 1 9 <br /> source vapor concentration [g/cmA3] 3 77E-08 <br /> Source vapor concentration [mg/MA3] 38 <br /> Residual level [mg/k9] • • 4 64E+03 <br /> (assuming pure c emical solubility) <br /> VAPOR TRANSPORT FROM SOIL TO INDOOR AIR USING THE JOHNSON-ETTINGER MODEL <br /> Effective Diffusion coefficient for Vadose zone <br /> ----------------------------------------------- <br /> Total thickness of subunit [cm] 2 00E+02 <br /> Air-filled porosity [-] . . 0 18 <br /> Water-filled porosity [-] 0.12 <br /> Total porosity [-] . . . . 0 30 <br /> Effective diff coeff for subunit [cmA2/sj 2 60E-03 <br /> Page 4 <br />