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c-� r r--� r-7 r--� r r--* r r r__.' r_7 r7l r-1-1 r-" <br /> RBCA SITE ASSESSMENT <br /> Tier 2 Worksheet 8.1 <br /> Site Name:Stockton Fire Station SRe Location:1116 First Street Stockton CA Completed By:JEANNE H Date Completed:3/14/2000 6 OF 9 <br /> TIER 2 EXPOSURE CONCENTRATION AND INTAKE CALCULATION <br /> "FACE SOLS OR SEDIMENTS: Exp-Cmcanlrarlm <br /> DERMAL CONTACT 1)Source Medium 2)F_xposure Multiplier 3)Average Daily Intake Rata <br /> (SAxAFxABSkCFxEFxED)/(BWxAT) (kplk"y) (nVNq-d+y)(1)x(2) <br /> •, Constituents of Concern ..... Surface Soil Conc. (mg/k ,:On-Site Residential On-Site Commercial-- - On-Site Residential - - -On-Site Commercial <br /> Benzene 0.0E+0 1.0E-5 O.OE+O <br /> Etfi benzene 0-0E+0 2.8E-5 0.0E+0 <br /> Metht-Butyl Ether 0.0E+0 2.8E-5 0.0E+0 <br /> Toluene 0.0E+0 2.8E-5 0.0E+0 <br /> X lens mixed isomers 0.0E+0 2.8E-5 0.0E+0 <br /> NOTE: ASS=Dermal absorption factor(dm).BW=Body welgh((kg) EF=Exposure frequancey(daysy POE=Point of expos;re .. . <br /> AF=Adlerance factor(mgkm^2) CF=Units conversion factor ET=Elposwe time(hrs/dey) SA=Skin exposure area(cW 2/day) <br /> AT=Averaging time(days) ED=Exposure d"lion(yrs) IR=Intake rote(ntgrday) <br /> Software:GSI RBCA Spreadsheet Serial: G-313-VKX-542 <br /> O Groundwater Services,Inc.(GSI),1995-1997.All Rights Reserved. Version: 1.0.1 <br />