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i <br /> Cumulative Rlsk Worksheet <br /> Site Name Table3.4 Completed By Denise Clendening <br /> Site Location SW feet Date Com leted 1/1/1999 2 OF 3 <br /> CUMULATIVE RISK WORKSHEET Cumulatnre Target Risk, 0 OE+O Target Hazard Index' 0 0E+0 <br /> ON-SITE RECEPTORS <br /> Outdoor r soil <br /> Commercial Exposure Indoor Air Commercial Exposure Groundwater <br /> Target Risk Target HO Target Risk Target HQ <br /> CONSTITUENTS OF CONCERN 1 OE-61 i OE-5 1 OE+O I OE-611 OE-5 I OE+O <br /> Caranogewc Hazard Carcinogenic Hazard Caranogenre Hazard Carcinogenic Hazard <br /> CAS No Name Rrsk Ouoberit Risk Quotient Risk Quouent Risk Quotient <br /> 71-43-2 Banzene 7 6E-7 1 3E-2 NA NA 7 3E-7 6 8E-3 NA NA <br /> 67-66-3 Chloroform 2 7E-11 NA NA 0 OE+O 0 OE+O NA NA <br /> 107-06-2 Dichloroethane 1,2- 8 9E-9 9 6E-5 NA NA 0 OE+O NA NA <br /> IOD-41-4 Ethylbenzens 5 2E-4 NA NA 4 IE-3 NA NA <br /> 1834-04-4 Metht-BLdyl Ether 0 OE+O 0 OE+O NA NA 0 OE+O NA NA <br /> 91-2D-3 Naphthalene NA NA 0 OE+O NA NA <br /> 100-42-5 Styrene 2 2E-9 NA NA 0 OE+O NA <br /> NA <br /> 127-18-4 Tetrachloroethens 21 E-12 NA <br /> NA 0 OE+O 0 OE+O NA NA <br /> 108-88-3 Toluene 3 OE-3 NA NA 3 7E-3 NA NA <br /> 1330 20-7X lane mixed Isomers 2 5E-3 NA <br /> NA 7 2E-4 NA NA <br /> Cumulative Values 7 7E-7 III 1 SE-2 a 0 OE+O 0 OE+O 7 eE-7 0 1 3E 2 ® 0 OE+O 0 0E+0 <br /> i <br /> o hi®cetn risk lava wmeeMig lapel rj$k <br /> Software GBI RSCA Spreadsheet Sortat 0373_ZOX 798 <br /> O Groundwater Services Inc (GSI) 19951997 All Rights Reserved Version 10 1 <br /> ® IL <br />