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i >i i i ■i i i i � f� � � � � � � � � � <br /> j INTERMEDIATE Q&TIONS SHEET <br /> Benzene <br /> Vadose Vadose zone Vadose zone Vadme zone Vadose zone Total Aur-filled Water-filled Floor- <br /> Source- zone sal effective sod sal soil Thickness of porosity in porosity in porosity in wall <br /> building air-filled total fluid intnrmc relative air effective vapor capillary Capillary capillary capillary seam <br /> separation, porosity saturation, permeability permeability permeability zone, zone, zone zone penmeter <br /> LT @ v Sim ki km k„ L¢ ria ek" Owa X." <br /> (cm) (crn'lcm) (cm'lcm) (cin') (cm) (cm2) cm (an'/an) (cin'lan) (an'/cm) tin <br /> 1036 563 1 0 322 1 0 267 8 91 E-08 0 830 5 73E-09 18304 0 489 0107 0 382 4000 <br /> Area of Capillary Total <br /> enclosed Crack- Crack Enthalpy of Henrys law Henrys law Vapor Vadose zone zone overall <br /> Bldg space 60-tmal depth vaporization at constant at constant at visoosdy at effect" effective effective <br /> vwtilatlon below area below an groundwater ave groundwater ave groundwater ave sod diffusion diffusion diffusion <br /> rate grade ratio grade temperature temperature temperature temperature, coetfitseM, coefficient, coefficient, <br /> Ob, As R zuadc ^T15 HTS H-TB PTS Dw'v Doff <br /> DG"r <br /> (ani (cr n�(unitiess) (cm cav (atm-oftol) undless airs (em'!s) (cine/s) (rmzls) <br /> 3 39E+04 i OOE+06 5 OOE 03 15 7 977 5 29f-03 217E-01 i BOE 04 845E 03 2 25E 04 1 25E-03 <br /> Exponent of Infinite <br /> Average Crack equMdent source Infinite <br /> Diffusion Convection Source vapor effective foundation indoor source Unit <br /> path path vapor Crack flow rate diffusion Area of fMet attenuation bldg risk Reference <br /> length, length, cork., radius into bldg, ooemaent, crack, number CGefficient. conc, factor cont. <br /> Ld Lo C.,,,,m ra,d, Q.N 0-1* AQ,* exp(Pe) a Cti,,,,„ URF Ric <br /> (cm) �tmL (µgrrn'1 tar►) (CM3/8) (an'!s) (aria) (unitless) (unrtiess) (Wm) (µfilm)i (mglm) <br /> 1OW56—L. 15 1 217E+02 1 25 8 33E+01 8 45E-03 5 00E+03 3 65E+08 3 52E-05 7 83E-03 2 9E-05 1 3 OE-02 <br /> benzene ids <br /> DTSC I HERD DTSC Indoor Air Guidance 7/19/2005 <br /> Last Update 1111/03 Unclassified Soil Screening Modal 144 PM <br />