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RBCA - 1 MER 2 EYALPATIONOutput Table 1 <br /> Site Name Time Oil Company Property&b Identification Software GSI RBCA Spreadsheet <br /> Site Location 14000 E Highway 86 Lockef6ate,Completed 7130M Version 1 01 <br /> Completed By SECOR <br /> NOTE values which differ from Tier 1 default values are shown in bold italics and underlined <br /> Exposure Residential Commerclalllndustrial Surface <br /> Parameter Definition(UnrMl Adult (1-6yrs) 1-16yrs) Chronic Constrctn Parameters Definition(Units) Residential Constictn <br /> ATc Avera9mg hme for carcinogens(yr) 70 A Contaminated soil area(i:W 7 9E40 1 OE+DB <br /> ATn Averaging hme for non carcinogens(yr) 30 6 16 25 1 W Length of affect soil pafallei to wind(cm) 3 0E+03 1 0E+03 <br /> BW Body Weight(kg) 70 15 35 70 W gw Length of affect soil parallel to groundwater(cr 1 5E+03 <br /> ED Exposure Duration(yr) 30 6 16 25 1 Vair Ambient air velocity in mixing zone{cmfs) 2 3E+02 <br /> t Averaging time for vapor flux(yr) 30 25 1 delta Air mixing zone height(cm) 2 OE+02 <br /> EF Exposure Frequency(dayslyr) 350 250 180 Liss Thickness of affected surface soils(cm) I SE+02 <br /> EF Derm Exposure Frequency for dermal exposure 350 250 Pe Particulate areal emission rate(glcm"21s) 69E 14 <br /> IRgw Ingestion Rate of Water(Qday) 2 1 <br /> IRs Ingestion Rate of Sod(mglday) 100 200 50 100 <br /> IRadl Adjusted sod mg rate(mg yrlkg-d) 1 1 E+02 9 4E+01 Groundwater Definition(Units) Value <br /> IRa in Inhalation rate indoor(m"31day) 15 20 delta gw Groundwater mixing zone depth(cm) 2 DE+02 <br /> IRa out Inhalation rate outdoor(m"3lday) 20 20 10 I Groundwater Infiltration rate(cm/yr) 3 OE+01 <br /> SA Skin surface area(dermal)(cm^2) 5 8E+03 2 OE+03 5 8E+03 5 8E+03 Ugw Groundwater Darcy velocity(cm/yr) 2 5E+03 <br /> SAadj Adjusted dermal area(cm12 ydkg) 21E+03 1 7E+03 Ugwtr Groundwater seepage velocity(cm/yr) 6 6E+03 <br /> M Sod to Skin adherence factor 1 Ks Saturated hydraulic oonductrvity(cmis) <br /> AAFs Age adjustment on sod Ingestion FALSE FALSE grad Groundwater gradient(cm/cm) <br /> AAFd Age adjustment on skin surface area FALSE FALSE Sw Width of groundwater source zone(cm) <br /> tox Use EPA tox data for air(or PEL based)? TRUE Sd Depth of groundwater source zone(cm) <br /> gwMCL'? Use MCL as exposure limit in groundwater? FALSE phi eff Effective porosity in water bearing unit 3 8E 01 <br /> foc sat Fraction organic carbon in water bearing unit 1 OE-03 <br /> BIO? Is bioattenuation considered? FALSE <br /> BC Biodegradation Capacity(mglL) <br /> Matrix of Exposed Persons to Residential Commercial/Industrial <br /> Complete Exposure Pathways Chronic Constrctn Sod Definition Units Value <br /> Outdoor Air Pathways he Capillary zone thickness(cm) 5 OE+00 <br /> SS v Volatiles and Particulates from Surface Sod TRUE TRUE TRUE by Vadose zone thickness(cm) 2 0E+03 <br /> S v Volatilization from Subsurface Sods TRUE TRUE rho Sod density(91cm^3) 15 <br /> GW v Volatilization from Groundwater FALSE TRUE fee Fraction of organic carbon in vadose zone 001 <br /> Indoor Air Pathways phi Sod porosity in vadose zone 038 <br /> S b Vapors from Subsurface Sods FALSE TRUE Lgw Depth to groundwater(cm) 20E+03 <br /> GW b Vapors from Groundwater FALSE TRUE Ls Depth to top of affected subsurface sod(cm) 9 JF+02 <br /> Soil Pathways Lsubs Thickness of affected subsurface soils(cm) 76E+02 <br /> SS d Direct Ingestion and Dermal Contact FALSE TRUE TRUE pH Sod/groundwater pH 65 <br /> Groundwater Pathways ca ilia vadese foundation <br /> GW i Groundwater Ingestion FALSE FALSE phi w Volumetric water content 0 342 012 012 <br /> SI Leaching to Groundwater from all Soils FALSE FALSE phi a Volumetric ax content 0 038 026 025 <br /> Budding Definition(Units) Residential Commercial_ <br /> Lb Budding velumetarea rate(cm) 2 OE+02 3 0E+02 <br /> Matrix of Receptor Distance Residential Commercial/Industnal ER Budding air exchange rate(s^1) 1 4E-04 2 3E 04 <br /> and Location On-or Off-Site Distance On-Site Distance On Site Lcrk Foundation crack thickness(cm) 1 5E+01 <br /> GW Groundwater receptor(cm) FALSE FALSE eta Foundation crack fraction 001 <br /> S Inhalation receptor(cm) 3 OE+03 FALSE TRUE <br /> Transport <br /> Matnx of Parameters Definition(Units) Residential Commercial <br /> Target Risks Individual Cumulative Groundwater <br /> TRab Target Risk(class A&B carcinogens) 1 OF-06 ax Longitudinal dispersivity(cm) <br /> TRc Target Risk(class C carcinogens) 1 DE 05 ay Transverse dispersivity(cm) <br /> THO Target Hazard Quotient 1 OE+00 az Vertical dispersivity(cm) <br /> Opt Calculation Option(1 2 or 3) 2 Vapor <br /> Tier RBCA Tier 2 dcy Transverse dispersion coefficient(cm) <br /> dcz Vertical dispersion coefficient cm <br /> 0 Groundwater Services Inc (GSI) 199x1997 All Rights Reserved <br />