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=ATE AND TRANSPORT MODEL OUTPUT FOR: Toluene rt of model output for: hnson and Ettinger Indoor air model with volatile emissions from soil '-------------------------------------- ' Calculating Vapor Phase Concentration at Source: (Using Equilibrium Partitioning Equation) ' Inputs: Total concentration in soil [mg/kg]......... 0.50 Total porosity [-].......................... 0.25 Air content[-]............................. 0.10 Moisture content [-]..................... 0.15 Fraction organic carbon [-]................. 1.00E-02- ' Organic carbon partitioning coeff. [ml/g]... 1.80E+02 Soil bulk density [g/cm3]................... 1.7 Henrys.Law coeff. [-]....................... 0.27 ' Chemical solubility [mg/1].................. 5.26E+02 Outputs: *alculated dissolved phase cone. [mg/II..... 0.26 ffective solubility [mg/l]................. 5.26E+02 Source concentration is BELOW residual limit ' because calculated dissolved phase cont. is LESS than the effective solubility. Dissolved phase conc. at source [mg/1]...... 0.26 Source vapor concentration [g/cm^3]......... 7.14E-08 Source vapor concentration [mg/m^3]......... 71. Residual level [mg/kg]...................... 1.00E+03 ' (assuming pure chemical solubility) ' VAPOR TRANSPORT FROM SOIL TO INDOOR AIR USING THE JOHNSON-ETTINGER MODEL ' Effective Diffusion Coefficient for Lens. ----------------- Total thickness of subunit [cm]............... 6.00E+02 Air-filled porosity []....................... 0.10 Water-filled porosity [-]..................... 0.15 Total porosity [-]............................ 0.25 ' Effective diff. coeff. for subunit....[cm^2/s] 6.47E-04 Effective Diffusion Coefficient for Foundation Total thickness of subunit [cm]............... 15. Air-filled porosity [-]....................... 0.25 Water-filled porosity [-].....'............... 0.0 Total porosity [-]... 0.25 Effective diff. coeff, for subunit....[cm^2/s] 1.37E-02