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�r r r■ rm m mob = mr m m m m m <br /> 4r m <br /> RBCA SITE ASSESSMENT <br /> Tle►2 Worksheet B 2 <br /> She!Jame Table34 Srte Location 500 feet Completed By Denise Clendening Date Completed 1/1/1999 3 OF 4 <br /> TIER 2 PATHWAY RISK CALCULATION <br /> I, k##A swA" tCttl; KER iF P4';tfW&T 40 <br /> CARCINOGENIC RISK TOYJC EFFECTS <br /> (2)Total Carcinogenic (3)Oral (d)Indmdual COC (5)Total Toxicant (6)Oral (7)Individual COC <br /> (1)EPA Intake Rate(mglkglday) Slope Factor Risk(2)x(3) Intake Rate(mg&Wday) Reference Dose Hazard Quotient(5)1(8) <br /> Carcinogenic On Site On Site On Site On Site OnSste On Site OnSda OnSA@ <br /> Constltuants of Concern Clmssrfi"ban Residential Commercial 1 Residential Commercial Residenbal Commensal (mg1kiii-dayl Residential Commercial <br /> Benzene A 7 3E-6 1 OE-1 7 3E-7 2 OE-5 3 OE-3 1 6 BE-3 <br /> Chloroform B2 0 OE+O 6 1E-3 0 OE+0 0 OE+0 1 OE 2 0 OE+O <br /> Dichloroethane t - 82 0 DE+O 9 11E-2 0 OE+0 <br /> Eth benzene D 41E-4 1 OE-1 4 1 E-3 <br /> M t-B Ether 0 OE+0 1 2E-1 0 OE+O <br /> Naphthalene D 0 OE+O 4 OE-3 0 OE+0 <br /> Slymne 0 OE+O 2 OE-1 0 0E+0 <br /> Tetrachloroelhene C-B2 0 0E+0 5 2E-2 0 0E+0 0 DE+O 1 OE-2 0 0E+0 <br /> Toluene 0 7 5E4 2 OE-1 3 7E-3 <br /> Xylene mixed isomers D 1 4E-3 2 0E+0 1 1 7 2E4 <br /> Total Pathway Carclnagenia Risk= _ 0 OE+0 7 3E,7 Total Pathway Hazard Index e 1 0 OE+0Soft1 6E-2 <br /> O Groundwater ServicInc (GSQ 1995.1997 All Rights Reserved Version <br /> G6 RSCA Spreadsheet <br /> es O 3 O <br />