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s � s <br /> RBCA Tool Kit for Chemical Releases,Version 1.0a <br /> RBCA SITE ASSESSMENT: <br /> 20F7 <br /> TIER 2 EXPOSURE CONCENTRATION AND INTAKE CALCULATION <br /> ........................ <br /> EXPOSOM':PATHWAY`; <br /> ............ . <br /> SURFACE SOILS(530-SW cm): <br /> VAPOR INHALATION(conrd) 4)Exposure Multiplier 5)Average Inhalation Exposure <br /> (EFxED)/(ATx365) (unitless) Concentration(mlym-3)(3)X(4) <br /> On-site(0 cm) Off-Site 1 Off-site 2 On-site(0 cm) off-site I Off-site 2 <br /> (0 cm) (0 cm) (0 cm) (0 cm) <br /> Commercial Construction None None Commercial Construction None None <br /> Constituents of Concern Worker Worker <br /> Xylene(mixed isomers) <br /> Toluene <br /> Ethylbenzene <br /> Benzene* <br /> Chemical with user-specified data <br /> NOTE: AT=Averaging time(days) EF=Exposure frequency(days/yr) ED=Exposure duration(yr) <br /> Site Name:Former Valley Volkswagen Date Completed:30-Nov-99 <br /> Site Location:647 E.Miner,Stockton,CA Job ID: 95-015 <br /> Completed By:GPS <br />