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� t� � � t� ll� � � � I� t� t� 11llIttIIIIIIItIII� t� tt� � � 1� 11111fIIItIIIt111� ttlttlttltltltlt� <br /> RBCA Tool Kit for Chemical Releases,Version 1.3 <br /> RBCA SITE ASSESSMENT <br /> 1 OF 3 <br /> TIER 1 EXPOSURE CONCENTRATION AND INTAKE CALCULATION <br /> PDDOR AIR'EXFOSUREPATHWAYS IF PATHWAY IS ACTIVE) . <br /> SOILS: VAPOR <br /> INTRUSION INTO ON-SITE BUILDINGS 1)Source Medium 2)NAF Value(m"31kg) 3)Exposure Medium 4)Exposure Multiplier 5)Average Inhalation Exposure <br /> Receptor Indoor Air: POE Conc. (mg/m^3) {1)1(2) {EFxED)/(AT465) (unilless) Concentration(mg/W3)(3)X(4) <br /> Constituents of Concern Soil Conc.(mglkg) None None None None <br /> Benzene 0.0E+0 <br /> Toluene 0.0E+0 <br /> Ethylbenzene 0.0E+0 <br /> Xylene(mixed isomers) O.0E+0 <br /> Methyl t3her O.OE+O - -- <br /> NOTE: AT=Averaging time(days) EF=Exposure frequency(days! r) ED=Exposure duration(yr) NAF=Natural attenuation factor POE=Point of exposure <br /> Site Name:Canepa's Car Wash Date Completed:8-0ct-02 <br /> Site Location:Pacific Ave.,Stockton Job ID: 1707 <br /> Completed By;LHM <br />