Laserfiche WebLink
RBCA SITE ASSESSMENTTier 2 Worksheet 8.1 <br /> Site Name:MCDOWeA and Davis Tom6nq, 1360 Escalon Site Location;Escalon San Joaquin County Completed By:Robert Fourt CEG I CHG Date Com lete&12I3t2Q02 5 OF 9 <br /> TIER 2 EXPOSURE CONCENTRATION AND INTAKE CALCULATION <br /> n <br /> GROUNDWATER: Exp-Cancentrat1an TOTAL PATHWAY INTAKE[my q-d--A <br /> VAPOR INTRUSION TO aUrLOINGS 1)Source Medium 2)NAF Vafue(m^311-1 3)Exposure Medium 4)Exposure Multiplier 5)Average Daily Intake Rate (swn atwvv.w.,Iran rubsu.ta<• <br /> Receptor Indo«Ai:POE Cone.(MW3)(I)/(2) OIxEF.EDY(BW.AT) (.311,0-day) (mulksa-dy)(3)x(4) a aomms-ter rouftz) <br /> Groundwater Conc. <br /> Constituents of Concern On-Sde Commercial OnSre Commercial O,, d Commercial ORSk Commercial Onsite Commerdal <br /> Benzene 4.6E-3 6.2E+3 7.4E-7 7.0E-2 5.2E-8 2.4E-4 <br /> Eth lbenzene 4.0E-3 5.4E+3 7.4E-7 2,QE-1 1.4E-7 3.3E-2 <br /> Methyl t-Butyl Ether 1.0E-4 2.0E+4 5.0E-9 2.0E-1 9.7E-10 2.1 E-2 <br /> Toluene 9.5E-3 5.9E+3 1.6E-6 2.0E-1 3.2E-7 5.9E-2 <br /> Xylene mixed isomers8.8E-3 6.2E+3 1.4E-6 2.0E-1 2.8E-7 1.3E-1 <br /> NOTE: ABS=Dermal absorption factor(dim) BW=Body weight(kg) EF=Exposure frequencey(dayslyr) POE=Point of exposure <br /> AF=Adherence factor(mg)rnY`2) CF=Units conversion factor ET=Exposure time(hrslday) SA=Skin exposure area(cW21day) <br /> AT=Averaging time(days) ED=Exposure duration(yrs) IR=Inhalation rate(m^3/day) <br /> Software:GSI RBCA Spreadsheet Serial:G491-EFX-872 <br /> O Groundwater Services,Inc(GSI),19951997.All Rights Reserved. Version: 1.0.1 <br />