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� f: alt � v � l� � 1• � l� 1! � � l� I� l� � <br /> RSCA Tool Kit for Chemical Releases,Version 1.3 <br /> RBCA SITE ASSESSMENT <br /> 2 OF 90 <br /> TIER 1 PATHWAY RISK CALCULATION <br /> OUTDpDR AIR rZ0OSUR ,PATHWAYS {CH)=CKEQ:]F PATHWAYS ARE ACTLVE) <br /> TOXIC EFFECTS <br /> (5)Total Toxicant (6)Inhalation (7)Individual COC <br /> Exposure(mg/m^3) Reference Hazard Quotient(5)r(6) <br /> On-siteoft Off-site 1 Off-site 2 Conc. (mg/m^3) Off site 1 Off-site 2 <br /> ( ) (0 ft) (0 ft) On-site(0 ft) (0 ft) (0 ft) <br /> Commercial Construction NA NA Commercial Construction NA NA <br /> Constituents of Concern Worker <br /> Worker <br /> Benzene 3.3E-4 6.0E-3 5.5E-2 <br /> Toluene _ 2.4E-4 4.0E-1 5.9E-4 <br /> Eth (benzene _ 3,6E-5 1.0E+0 3.6E-5 <br /> Xylene (mixed isomers), 1.5E-4 7.0E+4 271E-5 <br /> Methyl t-taut I ether 2.6E-6 3.0E+0 8.6E-7 <br /> Total Pathway Hazard Index= 5.5E-2 <br /> Site Name:Canepa's Car Wash Completed By: LHM Job ID: 1707 <br /> Site Location: Pacific Ave., Stockton Date Completed: 8-Oct-02 <br /> ! <br /> I <br />