ARCHIVED REPORTS_REPORT ON SOIL VAPOR SAMPLING AND HUMAN HEALTH RISK ASSESSMENT DEC 2010

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INTERMEDIATE CALCULATIONS SHEET Stratum A Stratum B Stratum C Stratum A Stratum A Stratum A Stratum A Floor. Source- soil soil soll effective soil soil soil wall Bldg. Exposure building air-filled air-filled air-filled total fluid Intrinsic relative air effective vapor seam Soil ventilation duration, separation, porosity, porosity, porosity, saturation, permeability, permeability, permeability, perimeter, gas rate, x Lx ea Bs O.c S. K kro I4 Xciv ,, cone. QWM, (sec) (cm) (Cm3/Cm3) (cm3/cm3) (cm3/cm3) (cm3/cm3) (cm) (cm2) (crn2) (cm) (Ag/m3) (c 3/S) 9.48E+08 137.4 E 0.135 ERROR ERROR 0.435 1.87E-OB 0.715 1.34E-09 4000 8.45E+01 3.39E+04 Area of Stratum Stratum Stratum Total enclosed Crack- Crack Enthalpy of Henry's law Henry's law Vapor A B C overall space to-total depth vaporization at constant at constant at viscosity at effective effective effective effective Diffusion below area below ave.Boll ave.soil ave,soil ave.soil diffusion diffusion diffusion diffusion path grade, ratio, grade, temperature, temperature, temperature, temperature, coefficient, coefficient, coefficient, coefficient, length, As q Ina AH,,,Ts HTs H'Ts ITS D"', DO, D°nc p'xT Ld (cm3) (unitless) (cm) (cal/mol) (atm-m3/mop (unitless) (g/cm-s) (cm2/s) (cm2/s) (cm2/8) (c 2/s) (cm) 1.08E+06 5.00E-03 15 8,053 3.75E-03 1.58E-01 1.77E-04 1.24E-03 0.00E+00 O.00E+00 1.24E-03 137.4 Exponent of Infinite Average Crack equivalent source Infinite Convection Source vapor effective foundation indoor source Unit path vapor Crack flow rate diffusion Area of Peclet attenuation bldg. risk Reference length, conc., radius, into bldg., coefficient, crack, number, coefficient, conc., factor, conc., Lp C..... ra.a Q.w Dcna A..a exp(Per) a Cwie.a URF R!C (cm) (Ig/m) (cm) (cm3/5) (Cm2/s) (cm2) (unitlessl (unitless) (Ig/m3) (4WM3)-' (mg/m) 15 6.45E+01 1.33 8.33E+01 1.24E-03 5.30E+03 7.73E+54 2.54E-04 1.84E-02 2.9E-05 6.0E-02 END 3of4