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LSI IM �� d� ■I� <br /> 0 INTERMEDIATE C&TIONS SKEET • <br /> MTBE <br /> Vadose Vad ase zone Vadose zone Vadose zone Vadose zone Total Air-filled Water-filled Floor- <br /> Source- zone soil effective sal sal soil Thickness of poresily in porosdy In porosity,in wall <br /> building air-filled teal fluid Intrinsic relative air effective vapor capillary capillary capillary capillary seam <br /> separation, porosity, saluration, permeability, permeability, permeability, zone zone, zone, zone perimeter <br /> LT e." Si. W km 14 LQ nor Oka Ow a Y..k <br /> cm (cm'1cm) (arn31Cm) (cm) (cm) (cm) (cm) (Cm31Cm) (crr'l m) (cm'lcm) cm <br /> 103856 0 322 0287 6 91 E-09 0 830 5 73E-09 1 16304 0 489 1 0107 0 382 4 000 <br /> Area of Capillary Total <br /> enclosed Crack- Crack Enthalpy of Henrys law Henrys law Vapor Vadose zone zone overall <br /> Bldg space to total depth vaporization at constant at constant at viscosity at effechve effective effective <br /> ventilatkm below area below ave groundwater ave groundwater ave groundwater ave sat diffusion diffusion diffusion <br /> rate grade, raw, grade, temperature, temperature temperature, temperature, coefficient, coefficient, Coeifiaent, <br /> Q"" As n Z..* AT$ His H'Ts µFs Div DanCz DST <br /> (pn3is) (CM) (unrtlm) (an) (catlmol) (atm-m'/mol) (unilless) (glom-s) (cm21s) (cm <br /> m21s) (an'!s) <br /> 3 39E+04 1 DOE+08 5 OOE-03 15 7,113 5 99E-04 2 48E-02 1 BOE-04 9 84E-03 3 26E-04 1 78E-03 <br /> Exponent of Infinite <br /> Average Crack equivalent source Infinite <br /> Diffusion Convechon Source vapor effective foundaborm indoor source Unit <br /> path path vapor Crack now rate diftuslon Area of Pellet attenuation bldg risk Reference <br /> length length, Cont, radius Into bldg CcetiiaeK crack, number, coelfOeK cone, factor Conc <br /> Le L0 'C.wo. reale 0.00 Dcr" Aaax exp(PW) a C"" URF RTC <br /> cm Cm (µfilm) �crnL (crn'1s) (Crn%) (kxrrz) (unitless) (unitless) (µfilm) (t,g►m')' (mg/n) <br /> 1036 56 15 2 46E+01 1 2--7-8-3-3E+01 9 84E-03 5 00E+03 2 27E+07 4 91 E-05 l 20E-03 2 6E-07 3 DE+00 <br /> MTBE <br /> DTSC/H€RD DTSC Indoor Air Guidance 7/19/2005 <br /> Last Update 1111103 Unclassified Sad Screening Model 147 PM <br />