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-ATE AND TRANSPORT MODEL OUTPUT FOR: TPH Aromatic C10-12 <br /> Tart of model output for; <br /> Eatii.ization from groundwater to outdoor air <br /> '-------------------------------------- <br /> ' VAPOR TRANSPORT FROM GROUNDWATER TO OUTDOOR AIR <br /> Effective Diffusion Coefficient for Lens <br /> Total thickness of subunit [cm]............... 6.00E+02 <br /> ' Air-filled porosity [-]....................... 0.10 <br /> Water-filled porosity [-]..................... 0.15 <br /> Total porosity [-]............................ 0.25 <br /> ' Effective diff. coeff. for subunit....[cm^21s] 7.45E-04 <br /> Effective Diffusion Coefficient for Capillary Fringe <br /> tTotal thickness of subunit [cm]................ 50. <br /> Air-filled porosity [-I....................... 5.00E-03 <br /> Water-filled porosity [-]..................... 0.24 <br /> Wotal porosity [-]............................ 0.25 <br /> ffective diff. coeff. for subunit....[CMA 21s] 1.06E-05 <br /> Overall Effective Diffusion Coefficient (for all layers) <br /> Overall diffusion path length [cm]................. 4.87E+02 <br /> (Equals the sum of the vadose zone, lens, and capillary fringe) <br /> Overall effective diffusion coefficient jcm^21s]... 9.14E-05 <br /> ' Vapor Concentration and Flux at Source <br /> Initial vapor cont. at source [glcm"3]............. 1.23E-06 <br /> ' Initial vapor conc. at source[mglm^3]............. 1.23E+03 <br /> Initial vapor flux rate [glcm^21s]................. 2.31 E-13 <br /> Soil gas flow rate is zero (advection not considered in this model). <br /> OUTDOOR AIR CONCENTRATION <br /> TPH Aromatic C10-12 <br /> ' Concentration <br /> Time Outdoors <br /> (yr) (mg/m"3) <br /> 1.0 5.78E-06 <br /> This is a steady-state model. <br /> I <br />