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INTERMEDIATE CAUTIONS SHEET <br /> p-Xylene <br /> Vadose Vadose zone Vadose zone Vadose zone Vadose zone Total Air-filled Water filled Floor- <br /> Source- zone sod effective soil sod 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 perimeter <br /> LT 6.v Sts K km k,, La n. 62 a OW e= X..* <br /> Cm (cm;1Cm) (Cm31Cm) (cry?) foul?) (cm) cm (cm3/cm 3,1 (Cm3/cm (CM11cm) Gm <br /> 103656 1 0 322 1 0 267 1 6 91 E-09 1 0 830 1 5 73E-09 1 16304 0 489 1 0 107 J 0 382_1 4,000 <br /> Area of Capillary Total <br /> enclosed Crack- Crack Enthalpy of Henry's law Henrys law Vapor Vadose zone zone overall <br /> Bldg space to-total depth vaporization at constant at constant at viscosity at effective effective effective <br /> ventilation below area below ave groundwater ave groundwater ave groundwater ave sad diffusion diffusion diffusion <br /> rate grade ratio grade temperature temperature temperature temperature coefficient, coefficient coefficient, <br /> Qbund ra Ae Tl Zwwk AHI Ts HTS H'TS RTS De"v D°n,;, WIT <br /> (cm3/3) (cm) unitless om caumal (atm-m3lmol) unitless cm-s (Cm$s) (CM2ls) (cm21s) <br /> 3 39F-+D4 1 DOE+D6 5 OOE 03 1 15 1 10,083 1 7 22E-03 2 96E-01 1 BOE-04 7 39E-03 1 95E-04 1 09E-03 <br /> Exponent of Infinite <br /> Average Crack equivalent source Infinite <br /> Diffusion Convection Source vapor effective foundation indoor source Unit <br /> path path vapor Crack flow rate diffusion Area of Peclet attenuation bldg risk Reference <br /> length length, cont radius, into bldg, coefficient, crack number coefficient cont, factor cont, <br /> Ld L, C. r,,a Q..,i Dorsa A..* exp(Pe) a Cb..KM URF RfC <br /> cm cm (Kglm) om (cm31s) (eels) (cm) undless undless wm) w1m) (mg/m) <br /> 103656 15 2 96E+02 125 8 33E+01 7 39E-03 5 DOE+03 6 28E+09 3 06E-05 9 04E-03 NA 1 OE-01 <br /> XYL <br /> DTSC 1 HERD DTSC Indoor Air Guidance 7119/2005 <br /> Last Update 1111103 Unclassified Sod Screening Model 1 41 PM <br />