Laserfiche WebLink
y <br /> RBCA SITE ASSESSMENT <br /> Tier 2 worksheet 8.1 <br /> Site Name:McDowell and Davis Towing,1360 Escalon Site Location:Escalon,San Joa uin County,CA Completed BX:Robert Fourt,CE Date Completed!5/12/2002 1 OF 9 <br /> TIER 2 EXPOSURE CONCENTRATION AND INTAKE CALCULATION <br /> 1. 1 1211 <br /> I <br /> SURFACE SOILS:VAPOR AND Fa P"'Conca+lralion <br /> DUST IWALATION 1)Source Medium 2) l�A Value fM231ka1 3)Exposure Medium 4)Exposure Multiplier 5) a Daily Intake Rate <br /> Receptor Outdoor Alr.POE Co .(mg/m"3)(111(2) VRxEFxED)RBWxAT) (m"3144- 4 (mgfkg-day)(5)X(4) <br /> Surface Soil Conc- <br /> - Constituents of Concern m <br /> Benzene 1.0E-4 <br /> Eth (benzene 1.0E-4 <br /> Meth t-Butyi Ether 1,0E-4 <br /> Toluene 1.0E-4 <br /> Xylene mixed isomers 1.0E-4 <br /> NOTE: ABS=Dermal absorption factor(dim) BW=Body weight(kg) EF=Exposure frequencey(daystyr) POE=Point of exposure <br /> AF=Adherence factor(mgl mA2) CF=units conversion factor ET=Exposure time(hrslday) SA=Skin exposure area(cm-2/day) <br /> AT=Averaging time(days) ED=Exposure duration(yrs) IR a Inhalation rate(mA31day) <br /> I <br /> Software. GSI RBCA Spreadsheet Serial: G491-EFX-872 <br /> 0 Groundwater Services,Inc.(GSI),1996.1997.All Rights Reserved. Version: 1.0.1 <br /> I <br /> i <br />