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RBC <br /> ` SITE ASSESSMENTCumulative Rlsk Worksheet <br /> Site Name Table3-7 Compleled By Demse Clendening <br /> Silo Location 1!]00 feel bate Completed 1/1/1999 1 OF 3 <br /> CUMULATIVE RISK WORKSHEET <br /> CONSTITUENTS OF CONCERN Representative Concentration Proposed CRF— Resultant Target Concerrtratlon <br /> Surface ofSubsurface roun er Surface SOSubsurface or roan er <br /> CAS No Name m Soil ntg1L itt <br /> IT <br /> GW m m <br /> 71-43-2 Benzene 71 E-1 6 6E-1 5 6E+0 < 7 1E-1 6 6E-1 5 6E+0 <br /> 67-66-3 Chloroform 0 OE+O 0 OE+O 8 OE-4 + 0 0E+0 0 0E+0 8 OE-4 <br /> 107-M2 Dlchloroethane 1,2- 0 OE+O 0 OE+O 4 6E-1 0 OE+O 0 0E+0 4 6E-1 <br /> 100-41-4 Eth (benzene 1 4E+1 91 E+O 7 1 E-1 ,41 1 z a 14E+1 911E+0 71E-1 <br /> 1634-044 Meth t-Butyl Ether 0 OE+O 0 OE+O 51 E-3 } I 1 0 OE+O 0 OE+O 51 E-3 <br /> 91-20-3 Naphthalene 0 OE+O 0 OE+O 2 OE-1 <1 0 OE+O 0 OE+O 2 OE-1 <br /> 100-42-5 Styrene 0 OE+O 0 OE+O 9 OE-4 10 1 0 OE+O 0 OE+O 9 OE-4 <br /> 127-18-4 Tetrachloroethene 0 OE+O 0 OE+O 6 0E4 1 41 > 0 OE+O 0 OE+O 6 OE-4 <br /> 108-88-3 Toluene 2 6E+1 2 5E+1 7 9E+0 + 11 + , <br /> 2 6E+1 2 5E+1 7 9E+0 <br /> 1330-20-7 Xylone mixed Isomers 5 0E+1 3_0E+1 31 E+O ', 11Eh 5 0E+1 3 0E+1 3 111+0 <br /> Cumulative Values Cumulative Risk Goals Exceeded? <br /> ❑ Yen O No <br /> Software GSI RBCA Spreadsheet Serial G 373-ZOX 798 <br /> O Groundwater Services Ino (GSI} /995-1997 All{tights Reserved Version 10 1 <br />