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w w w r r M r <br /> RBCA SITE ASSESSMENT <br /> Cumuia4lve Rlsk Worksheet <br /> Site flame Table3.3 Completed By Denise Clendemng <br /> Sde Location 1000 feet Date Completed 1111!1999 1 OF 3 <br /> CUMULATIVE RISK WORKSHEET <br /> CONSTITUENTS OF CONCERN Representative Concentration Proposed CRF Resultant Target Concentration <br /> Surface olu su ace Groundwater SubsurfaceSurface SO-Ir Subsurface Sail Glr-o—und—mfer- <br /> CAB No Name m Sail m Surface Soil Soil dGW m m m <br /> 7143-2 Benzene 71 E-1 6 6E-1 2 3E+0 'Sl <1 - 71 E-1 6 6E-1 2 3E+0 <br /> 67-66-3 Chloroform 0 DE+O 0 OE+O 8 OE-4 41, 0 OE+O 0 OE+O B OE-4 <br /> 107-06-2 Dlchloroethane 1,2- 0 OE+O 0 OE+O 4 6E-1 },-.4 0 OE+0 0 OE+O 4 6E-1 <br /> 100-41-4 Eth benzene 1 4E+1 9 1E+O 2 8E-1 f1 4E+1 91 E+0 2 8E-1 <br /> 1634-04-4 Meth t-B Ether 0 OE+O 0 OE+O B 7E-3 ; +4'I +C; 0 OE+O 0 OE+O 8 7E-3 <br /> 91-20-3 Naphthalene 0 OE+O 0 OE+O 2 OE-1 4 0 OE+O 0 OE+O 2 0E-1 <br /> 100-42-5 Styrene 0 OE+O 0 OE+O 9 OE-4 fi; # ;, 0 OE+O 0 OE+O 9 OE-4 <br /> 127-18-4 Tetrachloroethane D 0E+0 p 0E+0 6 OE-4 41, 0 OE+O 0 OE+O 6 OE-4 <br /> 108-88-3 Toluene 2 6E+1 2 5E+1 2 0E+0 2 6E+1 2 5E+1 2 OE+O <br /> 1330-20-7 X ene mixed Isomers 5 0E+1 3 0E+1 9 BE-1 + ; 1 5 0E+1 3 0E+1 9 8E-1 <br /> Cumulative Values Cumulative Risk Goals Exceeded? <br /> ld yes E7 No <br /> Soltmre GSI RBCA Spreadsheet Senal 0 373-ZOX 798 <br /> O Groundwater Services Inc (GSI) 1995-1997 All Rights Reserved Version 10 1 <br />