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RBCA SITE ASSESSMENT <br /> Tier 2 Worksheet B 2 <br /> Site Name Three Palms Groce Site Location 6732 East Highway 88 Stockton CA Completed By JEANNE HOMSEY Date Completed 9WO01 2 OF 4 <br /> TIER 2 PATHWAY RISK CALCULATION <br /> CARCINOGENIC RISK TOXIC EFFECTS <br /> (2)Total Carcinogenic (3)Inhalation (4)Indmdual COC (5)Total Tcwcant (e)Inhalatwn (7)Indrnduat CAC <br /> (1)EPA Intake Rate(mg/kg/day) Slope Factor Risk(2)x(3) Intake Rate(mg/kg/day) Reference Dose Hazard Quotient(5)1(6) <br /> Carcinogenic OnSde On SAO On Site OnSde <br /> Contents or Concern Ciassdication Commercial ( "1 Commercial Commercial m -da Commensal <br /> Bearene A 5 OE-6 t 0E-1 5 OE-7 1 4E-5 1 7E-3 8 3E-3 <br /> Eth lbenzene D 21 E4 2 9E-1 7 3E4 <br /> Methyl t B I Ether 1 OE-4 8 6E-1 1 2E4 <br /> Toluene D 1 BE-4 1 1E-1 1 6E-3 <br /> Xylene mixed Isomers D 2 1E4 2 0E+0 1 OE4 <br /> Total Pathway Carcinogenic Risk= 0 0E+0 6 OE-7 Total Pathway Hazard lnder= 0 0E+0 1 1E-2 <br /> Software GSI RSCA Spreadsheet Sena] G 313-VKX 542 <br /> O Groundwater Services Inc (GSI) 1995.1997 All Rights Reserved Version 10 1 <br />