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M M4rM S = M _ = Nb = = r M = = M ir <br /> RBCA SITE ASSESSMENT <br /> Tler 2 Worksheet 9 3 <br /> Site Name Table3-7 Completed By Denise Clendening <br /> Site Location 5170 feet Date Completed 11111999 1 OF 1 <br /> Target Risk(Class A 6 B) 1 OE-6 ❑ MCL exposure limit? Calculation Option 3 <br /> GROUNDWATER SSTL VALUES Target Risk(Class C) 1 OE 5 ❑ PEL exposure limit? Groundwater OAF Option Oomenko First Omor <br /> Target Hazard Quotient 1 0E+O (Two4rrectional vert dhWonsbn) <br /> 3STL Results For Complete Exposure Path H Com lets <br /> Repreaentativo <br /> ConeeMrdlon Groundwater Volatilization Groundwater Volatilization Applicable SSTL <br /> CONSTITUENTS OF CONCERN X Groundwater Ingestion I to Indoor Air 1( to Outdoor Air WTI. Encoded RoguhW CRF <br /> Residential Commercial Regulatory(MCL) Residential Commercial Reskkmtlal Commercial <br /> CAS No Nana 5W feet 0-1111051)oreet on-elle ortslte or�spa It yes Only if' left <br /> 71-43-2 Benzene 56E+0 >Sol NA NA NA NA NA 1 9E+1 1 9E+1 ❑ <1 <br /> 67-66-3 Chloroform 8 OE-4 >Sol NA NA NA NA NA 3 0E+1 3 0E+1 ❑ -Cl <br /> 10746-2 Dlchloroethane 1.2- 4 6E-1 >Sol NA NA NA NA NA 5 2E+1 5 2E+1 ❑ <1 <br /> 100-41-4 Ethylbenzene 71E-1 >Sol NA NA NA NA NA >Sol >Sol ❑ <1 <br /> 1634.04-4 Meth t-Butyl Ether 51 E-3 >Sol NA NA NA NA NA 1 4E+4 1 4E+4 ❑ <1 <br /> 91-20.3 Naphthalene 2OE-1 >Sol NA NA NA NA NA NA >Sol ❑ <1 <br /> 100-42-5 Styrene 9 OE4 >Sol NA NA NA NA NA >Sol >Sol ❑ <1 <br /> 127-18-4 Tetrachloroetherte 6 OE4 >Sol NA NA NA NA NA >Sol >Sol © N <br /> 108-88-3 Toluene 7 9E+0 I >Sol NA NA NA NA NA >Sol >Sol ❑ <1 <br /> 1330-20-7 Xylene mixed Isomers 31 E+0 I >Sol NA NA NA NA NA >Sol >Sol ❑ <1 <br /> 3,Sol indicates risk based target concentration greater than oonst tuent solubility <br /> Software GSI RBCA Spreadsheet Serial G-37320X 790 <br /> O Groundwater Services Inc (GSI) 1995.1997 All Rights Reserved Verdin 10 1 <br /> I <br /> A <br />