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RBCA SITE ASSESSMENT <br /> Tier 2 Worksheet 8 2 <br /> Site Name Three Palms Grocey Sete Location 6732 East Highway 88 Stockton CA Completed By JEANNE HOMSEY Date Completed 9/5/2001 1 OF 4 <br /> TIER 2 PATHWAY RISK CALCULATION <br /> }, xr aaaxxca <br /> 5vax � >,rw1`s„ ,3x a� x<xxx Y;har�ehn x,?z`x`4xz`cS ;saz.>":»r z } <br /> CARCINOGENIC RISK TOXIC EFFECTS <br /> (2)Total Carcinogenic (3)Inhalation (4)individual COC (5)Total Toxicant (8)Inhalation (7)Individual COC <br /> (1)EPA Intake Rate(mg/Wday) Slope Factor Risk(2)x(3) Intake Rate(mg/kglday) Reterance pose Hazard Quotient(5)1(8) <br /> Carcinogenic On Site On-$do On Sda On Site <br /> Constituents of Concem ClassAcation Commercial ( I Commercial Commercial m -da Commercial <br /> Benzene A 61 E-9 1 OE-1 6 IE-10 1 7E-8 1 7E-3 1 OE-5 <br /> Eth (benzene D 3 OE-7 2 9E-1 1 OE-6 <br /> Meth t-Butyl Ether 2 9E-7 8 6E-1 3 4E-7 <br /> Toluene D 3 9E-7 1 1 E-1 3 4E-6 <br /> Xylane mixed isomers D 5 9E-7 2 OE+O 2 9E-7 <br /> Total Pathway Carcinogenic Risk= 61 E4 0 0 OE+O Total Pathway Hazard lnder c 1 6E-5 1 0 OE+0 <br /> Software GSI RBCA Spreadsheet Serial G 313-VKX 542 <br /> O Groundwater Services Inc (GSQ 1995.1997 All Rights Reserved Verawn 101 <br />