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t t t <br /> RBCA SITE ASSESSMENTTier 1 Worksheet 8.2 <br /> Site Name:Stockton Fire Station#3 Site Location:1116 First Street,Stockton,CA Completed By:JEANNE HOMSEY Date Completed:3/14/2000 3 OF <br /> TIER 1 PATHWAY RISK CALCULATION <br /> . .......... <br /> CARCINOGENIC RISK TOXIC EFFECTS <br /> (2)Total Carcinogenic (3)Oral (4)Individual COC (5)Total Toxicant (6)Oral (7)Individual COC <br /> (1)EPA Intake Rate(mg/kg/day) Slope Factor Risk(2)x(3) Intake Rate(mg/kg/day) Reference Dose Hazard Quotient(5)/(6) <br /> Carcinogenic On-Site On-Site On-Site On-Site On-Site On-Site On-Sita On-Site <br /> Consfftuents of Concem Classification Residential Commercial lmg*g-day)' `l Residential Commercial Residential— Commercial (mg/kg-day) Residential Commercial <br /> Benzene A O.OE+O 1.0E-1 O.OE+O <br /> Ethylbenzone D O.OE+O 1.0E-1 U-Ut+U <br /> Methyl t-Butyl Ether O.OE+O 5.0&3 O.OE+O <br /> Toluene D O.OE+O 2.0E-1 O.OE+O <br /> Xylene(mixed isomers) D O.OE+O 2.0E+0 O.OE+O <br /> Total Pathway Carcinogenic Risk O.OE+O Total Pathway Hazard Index <br /> 0.012+0 1 O.OE+O <br /> Software: GSI RBCA Spreadsheet Serial: G-313-VKX-542 <br /> 0 Groundwater Services,Inc.(GSI),1995-1997.All Rights Reserved. Version: 1.0.1 <br />