Laserfiche WebLink
� IIS � >�I. arm � >.■■� >rr �IIIIIf a� w■I sly � � s w■t <br /> RSCA Tool Kit for Chemical Releases,Version 1.3 <br /> RBCA SITE ASSESSMENT <br /> 2 OF <br /> TIER 1 EXPOSURE CONCENTRATION AND INTAKE CALCULATION <br /> IND0614 AIR EXPOSURE PAtHWAYS., <br /> (CHECKED,IF PA1'HWp is'ACTIVEf....- <br /> GROUNDWATER: VAPOR INTRUSION Exposure Concentration <br /> INTO ON-SITE BUILDINGS 1)Source Medium 2)NAF Value(m"3tL) 3)Exposure Medium 4)Exposure Multiplier 5)Average Inhafation Exposure <br /> Receptor Indoor Air: POE conc. (mg/W21) (1)r(2) (EFxED)f(ATx365) (unilless) Concentration(mg1W3)(3)X(4) <br /> Constituents of Concern Groundwater ConC.(mg1L) Commercial Commercial Commercial Commercial <br /> Benzene 5,3E+1 5.4E+2 9.9E-2 2.4E-1 2.4E-2 <br /> Toluene 3.6E+1 5.0E+2 7.2E-2 6.BE-1 4.9E-2 <br /> Eth (benzene _ 5.1 E+p 4.7E+2 1.1E-2 6.BE-1 7.4E-3 <br /> Xylene(mixed isomers) 2.4E+1 5.3E+2 4.5E-2 6.8E-1 3.1E-2 <br /> Methyl t-But I ether 2.9E+0 2.9E+3 8.9E-4 6.8E-1 4.7E-4 <br /> NOTE: AT=Averaging time{days) EF=Exposure frequency(dayslyr) 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 Join ID: 1707 <br /> Completed By:LHM <br />