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f <br /> Tier 2 Worksheet S 2 <br /> Site Name Formeer Regal 603 Site Location 6425 Pacific Aenue Stockton CA Completed By George Converse Date Completed 10115/1998 3 OF 4 <br /> TIER 2 PATHWAY RISK CALCULATION <br /> SOIL EXPOSURE PATHWAYS ❑ CHECKED IF PATHWAYS ARE ACTIVE <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(mglkgfday) Slope Factor Risk(2)x(3) Intake Rafe(mglkglday) Reference Dose Hazard Quotient(5)!(61 <br /> Carcinogenic On Site On Site On Site On-Site On Site On Site On Site On Site <br /> Constituents of Concem Classification Residential Commercial lmgikg day)^s Residential Commercial Residential Commercial (mg/kg-day) Residential Commercial <br /> Benzene A 2 9E 2 <br /> Eth Ibenzene D 1 OE-1 <br /> Hexane n- 6 OE 2 <br /> Methyl I Butyl Ether 5 OE 3 <br /> Toluene D 2 of 1 <br /> Xylene mixed isomers D 2 0E+0 <br /> Tota!Pathway Carcinogenic Risk= 0 OE+O DOE+D Tota!Pathway Hazard Index= 0 OE+I) 0 0E+0 <br /> f� <br /> I <br /> Software GSI RSCA Spreadsheet Serial G-443 CSX-444 <br /> 0 Groundwater Services Inc (GSI) 1995 1997 All Rights Reserved Version 1 0 1 <br /> I' <br /> II <br /> i <br /> i <br /> i <br /> I! <br />