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Contaminant Flux Into Building <br /> ---—–-–-–---------------------—------ <br /> Soil gas flow rate [cm3/secj.............. 0.24 <br /> ive (x-sectional) area for flux [m'2]... 1.50E+02 <br /> in soil vapor at foundation [g/cm3]..... 7.75E-07 <br /> in soil vapor" [mg/m3]..... 7.75E+02 <br /> Flux rate into building [g/CMA2]s]............ 6.51 E-1 3 <br /> Flux rate " " [Mg/MA2/d]............ 0,56 <br /> Attenuation Coefficient [-]................... 1.17E-05 <br /> (Indoor Air Conc,/Conc. in soil vapor at the source) <br /> Source concentration jg/cm3j.................. 1.50E-06 <br /> Source 11 [mg/m3l.................. 1�50E+03 <br /> Indoor air concentration [g/cm3l............. 1.76E-1 1 <br /> Indoor [mglm3].............. 1.76E-02 <br /> CONCENTRATION IN BUILDING (annual average) <br /> Xylenes <br /> Flux into Concentration Soil Gas Conc. <br /> Time Building in Building at Building <br /> (yr) (rng/m"2/day) (Mg/MA3) (Mg/MA3) <br /> -------—------- <br /> 1.0 5.63E-01 1.76E-02 7.75E+02 <br /> The concentration is constant (steady-state model) <br />