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= 4r M M = = <br /> RBCA SITE ASSESSMENTCumulative Rlsk Worksheet <br /> Site Name Table3-7 Completed By Denise Clendening <br /> Site Location 500 feet Dale Com feted 1/111999 2 OF 3 <br /> Cumulatne Target Risk 0 0E+0 Target Hazard Index 0 0E+0 <br /> CUMULATIVE RISK WORKSHEET <br /> ON-SITE RECEPTORS <br /> Uutdoor Air soil <br /> Commercial Exposure Indoor Air Commercial Exposure Groundwater <br /> Target Risk Target HQ Target Risk Target HQ <br /> CONSTITUENTS OF CONCERN 10E-6110E-5 1 0E+0 1 OE-611 OE-5 1 0E+0 <br /> Carmrrogenic Hazard Carcinogenic Hazard Carcinogenic Hazard Carcrnegenlo Hazard <br /> CAS No Name Risk Quotient Risk Quotient Risk Quotient Risk Quotient <br /> 7143-2 Benzene 6 OE-7 9 9E-3 NA NA 7 3E-7 6 8E-3 NA NA <br /> 67-66-3 Chloroform 2 7E-11 NA NA 0 OE+0 0 OE+O NA NA <br /> 147-06-2 Dichloroethane 1,2- 8 9E-9 9 SE-5 NA NA 0 0E+0 NA NA <br /> 100-414 Ethylbenzene 5 2E4 NA NA 1 4 IE-3 NA NA <br /> 1634-04-4 Metho VBI Ether 3 7E-13 2 8E-9 NA NA 0 OE+0 NA NA <br /> 91-20-3 Naphthalene NA NA 00E+0 NA NA <br /> 100-42-5 §tyrens 2 2E-9 NA NA 0 011+0 NA NA <br /> 127-184 Tetrachloroethene 21 E-12 NA NA 0 OE+0 0 OE+0 NA NA <br /> 108488-3 Toluene 2 9E-3 NA NA 3 7E-3 NA NA <br /> 1330-20-7 X lens mixed isomers 2 5E-3 NA NA 7 2E-4 NA NA <br /> Cumulative Values 61E-7 0I 1 GE-2 a 0 0E+0 0 0E+0 7.3E-7 e 1 5E-2 W 0 OE+0 0 0E+0 <br /> o Indwtas risk tans aricsedng it>wc <br /> Software GSI RSCA Spreadsheet Senal G 373-ZOX-798 <br /> O Groundwater Services Inc (GSI) 19WI991 All Rights Reserved Version 101 <br /> I <br />