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RBCA TIER 11TIER 2 EVALUATION Output Table 1 Site Name: Country Club Job Identification: 30-0212 Software. GSI RBCA Spreadsheet Site Location' Stockton,CA Date Completed: 718198 Version: v 1.0 Completed ByStephen Afton,R.E.A. N07E:values which differ from Tier 1 default values are shown in bold italics and underlined. DEFAULT PARAMETERS E=xposure Residential Commerclallindustriat Surface Commerclalllndustnai Parameter Definition Units Adult 1-G rs 1.16 rs Chronic Constrctn Parameters Definition Units Residential Chronic Construction ATc Averaging time for carcinogens(yr) 70 1 'Exposure duration(yr) 30 25 1 ATn Averaging lime for noncarcnogans(yr) 30 6 16 25 1 A Contaminated soil area(cm^2) 6.3E+0d BW Body Weight(kg) 70 15 35 70 W Length of affected soil parallel to wind(cm) 2,3E-0 3 ED Exposure Duration(yr) 30 6 16 25 1 W.gw Length of affected soil parallel to groundwater(c E+0) EF Exposure Frequency(dayslyr) 350 250 180 Uair Ambient air velocity in mixing zone(curls) 2,3E+02 EF Derm Exposure Frequency for dermal exposure 350 250 delta Air mixing zone heighl(rm) 2.0E+02 IRgw ingestion Rate of Water(I/day) 2 1 Lss Definition of surticial soils(cm) 9.fE+0t IRs Ingestion Rate of Soil(mglday) 100 200 50 100 Pe Particulate areal emission rate(gtrm^21s) 2.2E-10 IRadj Adjusted soiling.rate{mg•yr/kg•d) 1,1E+02 9.4E+01 IRa.in Inhalation rate indoor(m^3/day) 15 20 Groundwater Definition[Unite) Value IRa.oul Inhalation rale outdoor(m^3/day) 20 20 10 della.gw Groundwater mixing zone depth(cm) 9_0f SA Skin surface area(dermal)(cm^2) 5.8E+03 2.0E+03 6.BE+03 5.8E+03 I Groundwater infiltration rate(c mlyr) 3 0E+01 SAadj Adjusled dermal area(cm^2•yrlkg) 2.1E+03 1.7E+03 Ugw Groundwater Darcy velocity(cmlyr) 3.4E+03 M Soil to Skin adherence factor 4 Ugw-ir Groundwater Transport velocity(rmlyr) riff+03 AAFs Age adjustment on soil ingestion FALSE FALSE Ks Saturated Hydraulic Conduclivity(cmis) 4.0E-03 AAFd Age adjustment on skin surface area FALSE FALSE grad Groundwater Gradient(cmlcm) 2.7E-02 tax Use EPA lox data for air(or PEL Lased) TRUE Sw Width of groundwater source zone(cm) gwMCL? Use MCL as exposure limit in groundwater? TRUE Sd Depth of groundwater source zone(cm) BC Biodegradation Capacity lmglL) - BIO? IsBioatlenuationConsidered TRUE phi.eff Effective Porosity in Water-Bearing Unit 42E-01 foc.sal Fraction organic carbon in water-bearing unit 9.0E-09 Matrix of Exposed Persons to Residential Commercialllnduslrial Gom isle Ex osure Palhwa s Chronic Constrctn Soil Definition(Units) Value Groundwater Pathways: he Capillary zone thickness( rn1 4.6E+0i GW.i Groundwater Ingestion FALSE FALSE by Vadose zone thickness(cm) 3.4E+02 GW.v Volatilization to Outdoor Air FALSE TRUE rho Sail density(gfcm^3) 1.5_9 GW.b Vapor Intrusion to Buildings FALSE TRUE loc Fraction of organic carbon in vadose zone 0.03 Soil Pathways phi Soil porosity in vadose zone 0.42 S.v Volatiles from Subsurface Soils FALSE TRUE Lgw Depth to groundwaler(cm) 3.6E+tl2 SS.v Volatiles and Particulate Inhalation FALSE FALSE TRUE Ls Depth to top of affected soil Join) - t.5E+02 SS.d Direct Ingestion and Dermal Contact FALSE FALSE TRUE Lsubs Thickness of affected subsurface soils(cm) 6JE+0 S.1 Leaching to Groundwater Irom all Soils FALSE TRUE pH SoNgroundwaler pH S Intrusion to BuitcI ngs-Subsurface Soils FALSE TRUE capillary vadose faundatlon phi,w Volumetric water content 0.34 0.06 Q08 phi,a Volumetric:air content 0.06 0_,34 Building Definition[Units] _ Residential Commercial , Lb Building volumelarea ratio(cm) 2.0E+02 3.0E+02 Matrix of Receptor Distance Residentiat Commerclalllndustrial ER Building air exchange rate(s^-i) 1.4E-04 516E- and Location on-or off-site Distance On-Site Distance On-Sita Lcrk Foundation crack lhtccness(cm) 1-5E+01 GW Groundwater recepmr(cm) TRUE TRUE eta Foundation crack fraction 0.01 S Inhalation receptor(cm) TRUE TRUE Dispersive Transport Matrix of Parameters Definition(Units) Residential Commercial Target Risks Individual Cumulative Groundwater TRab Target Risk(Gass A&B carcinagens) 1.0E-06 ax Longitudinal dispersion coefficient(cm) 9 8 Y ay Transverse dispersion coefficient(cm) TRc Target Risk(Gass C carcinogens) 1.0E-05 az Vertical dispersion coefficient(cm) THQ Target Hazard Quotient 1.0E+00 Vapor Opt Calculation Option(1,2,or 3) 1 dcy Transverse dispersion coefficient(cm) Ter RBCA Tier 1 dcz Vertical dispersion coefficient cm ®Groundwater Services,Inc(GSI),1995.All Rights Reserved.