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ww w � ■w wr ww w� ww w� w� ■w ww a� w �w �w w � �w <br /> RBCA SITE ASSESSMENT <br /> ilei 2 warkstteet a 2 <br /> Site Name T01e3-4 Site Location 1000 feet Completed By,Denise Clendening Date Completed 1/1/1999 1 OF 4 <br /> TIER 2 PATHWAY RISK CALCULATION <br /> #((��f� � Y AYS � � tClt�3)iE t'A'FHMfRYS tiliGAG'#Wfr7 <br /> CARCINOGENIC RISK TOXIC EFFECTS <br /> (2)Total Carcinogenic (3)Inhalation (4)Individual COC (5)Total Tcwcant (8)Inhalation (7)IndrAdual COC <br /> (1)EPA intake Rate(mglkglday) Slope Factor Risk(2)s(3) intake Rate(mg/kg/day) Reference Dose Hazard Quotient(5)1(8) <br /> Carcinogenic On-Site Off S+te OnSrYe OR site OnSdo Off Site OnSllo OHSrto <br /> Constltuonts of coneom Classrrmatwn Commercial Residential l Commercial Residential Commmcial Residential m lk da Commemlal Residential <br /> Benzene A 7 SE-6 6 BE-8 1 OE-1 7 6E-7 6 8E-9 2 1 E-5 1 6E-7 1 7E3 1 3E-2 9 4E-5 <br /> Chloroform 82 33E 10 0 OE+O 8 JE-2 2 7E-11 0 OE+O <br /> Dichlofoethana 1 - B2 9 BE-8 0 OE-+O 91 E-2 8 9E-9 0 OE+0 2 7E-7 0 0E+0 2 9E-3 9 6E-5 0 OE+0 <br /> Eth benzene D 1 5E4 2 7E-6 29E 1 5 2E-4 9 6E-6 <br /> Mqtd t-Butyl Ether 0 OE+O 0 OE+O 4 3E4 0 OE+0 0 OE+O 0 OE+O 0 OE+0 B 6E-1 0 OE+O 0 OE+O <br /> Naphthalene D <br /> Styrene 6 3E-10 0 0E+0 2 9E-1 2 2E-9 0 OE+O <br /> Tetrachloroethene C-82 1 OE-9 O OE+0 2 OE3 21 E-12 0 OE+O <br /> Toluene p 1 3 4E4 6 OE-6 1 1 1E-1 1 3 OE-3 5.2E-5 <br /> None mixed Isomers D 1 1 5 OE-4 9 3E-6 1 2 OE-1 2 5E-3 1 4 7E-5 <br /> Tota!Pathway Carcinogenic Risk= 7 7E-7 B BE3 Total Pethway Hazard Index a I 9E-2 2 0 <br /> I <br /> rs GSI P13CA Spreadsheet Serial G-3mZOX 796 <br /> CGroundwaterSerita Inc (GSq 19951997 All Rights Reserved Version 101 <br /> i <br />