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RBCA SITE ASSESSMENT <br /> Cumulative Riak Worksheet <br /> Site Name Teble3-5 Completed By Denise Ciendening <br /> Site Location 500 feel Date Com feted 1IIIIISM 3 OF 3 <br /> Cumulative Target Risk D 0E+0 Target Hazard Inde:c D 0E•0 <br /> CUMULATEVE RISK WORKSHEET Groundwater DAFOption Domenico First Order <br /> OFF-SITE RECEPTORS <br /> Outdoor Air Groundwater <br /> Residential Exposure Residential Exposure <br /> Target Risk Target HQ Target Risk Target HO <br /> CONSTITUENTS OF CONCERN 1 OE-6 I 1 OE-5 1 0E+0 1 OE-6/10E5 1 0E+0 <br /> Carcinogenic Hazard Carcinogenic Hazard <br /> CAS No Name Risk quotient Risk Quotient <br /> 71-43-2 Benzene 2 4E-8 3 3E4 1 7E-36 1 3E-32 <br /> 67-W3 Chloroform 0 0E+0 4 1 E-44 4 2E-40 <br /> 10748-2 Dlchloroethane 1,2- 0 0E+0 0 OE+0 6 7E-39 <br /> 100-41-4 Ethbenzene 3 4E-5 6 9E-37 <br /> 1634-04-4 Meth t-Buy Ether 0 0E+0 0 OE+0 2 2E-34 <br /> 91-20-3 Naphthalene 7 OE-87 <br /> 100-42-5 Styrene 0 OE+0 1 3E-90 <br /> 127-18-4 Tetrac:hloroethene 0 OE+O 2 8E-54 1 2E-50 <br /> 108-88-3 Toluene 1 9E-4 1 8E-39 <br /> 1330-20-7 Xylene mored Isomers 1 7E-4 2 4E-46 <br /> Cumulative Values r 2 4E. n 7 2E-4 131 1 7E-36 01 1 3Ea2 a <br /> o kidcatas Ask tail eoccoadng�rldr <br /> Software GSI RSCA Spraadaheat Serial G-M-ZOX TM <br /> O Groundwater Servfces Inc (GSI) 19951997 Version 10 1 <br />