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INTERMEDIATE CALCULATIONS SHEET <br /> Table A-6. MTBE Intercalce Worksheet <br /> Vadose Vadose zone Vadose zone Vadose zone Vadosezone Total Air-filled Water-filled Floor- <br /> Souroe- zone soil effective soil soil soil Thickness of porosity in porosity in porosity in wall <br /> building air-filled total fluid intrinsic relative air effective vapor capillary capillary capillary capillary seam <br /> separation, porosity, saturation, permeability, permeability, permeability, zone, zone, zone, zone, <br /> LT q, Sm perimeter, <br /> (cm) (cm3/m) (cm3/m) (m) (mgg) (cm') (m) (cm'/cm3) (c X.9°/cm') (m/cm X <br /> (CML- <br /> I 0.274 1 0.245 1 1.27E-09 0.865 1.10E-09 1 46.88 0.442 0.067 0.375 4,000 <br /> Area of <br /> Capillary Total <br /> enclosed Crack- Crack Enthalpy of Henry's law Henry's law Vapor Vadose zone zone overall <br /> Bldg. space to-total depth vaporization at consbant at constant at viscosity at effective effective effective <br /> ventilation below area below ave.groundwater ave.groundwater ave.groundwater ave.soil diffusion diffusion diffusion <br /> rate, grade, ratio, grade, temperature, temperature, temperature, temperature, coefficient, coefficient, Coef0cient, <br /> Qamsoa <br /> A. h Z�,.:a DH..Ts HTS H'rs Mrs D', D. D°" <br /> (m%s) (cm) (un ass) (cm) (cal/mol) (atm-m'/mop (un'8 s) (g/ irs) ( m'/) (=2/S) (c /s) <br /> 3.39E+04 1 1.00E+06 1 5.00E-03 1 15 7,209 1 4.39E-04 1.85E-02 1 1.77E-04 7.04E-03 1.75E-04 5.31E-04 <br /> Exponentof Infinite <br /> Average Crack equivalent source Infinite <br /> Diffusion Convection Source vapor effective foundation indoor source Unit <br /> path path vapor Creek flow rate diffusion Area of Peclet attenuation bldg. risk Reference <br /> length, length, conc., radius, into bldg., coefficient, crack, number, coefficient conn, factor, conc., <br /> Ld LP C.—. ' ro:k Qmn Du:k A...k exp(per) a CWUng URF RIC <br /> (m) (m) (mg/ms) (cm) (cm3/3) (mg/s) (cm2) ( nifless) (untie s) (mg/m) (m /m ) (m IC) <br /> 148.74441 15 4.43E+03 1 1.25 8.33E+01 1 7.04E-03 1 5.00E+03 1.91E+10 I 1.00E-04 4.45E-01 2.6E-07 3.0E+00 <br /> DTSC/HERD - DTSC Indoor Air Guidance <br /> Last Update:11/1/03 Unclassified Soil Screening Model 111a2007 <br /> eNN11N0001,1 W1@f WrT111W TxI P9G EreMbtiTVWepfi vrq Ad,ry <br />