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i <br /> ` Tier 2 Worksheet 0 <br /> Site Locationn 5 500 feet Side Name 00 fe Completed By Denise Gyendening <br /> et Date Com ed 1/1/1999 1 OF 1 <br /> Target Risk(Class A&e) t OE-6 ❑ MCL exposure limit? <br /> Calculation Option 3 <br /> GROUNDWATER SSTL VALUES Torget Risk(Class C)I oe 6 ❑ PEL exposure limit? Groundwater DAF Option Domonbo Fret Order <br /> Target Hazard Quotient 1 oE+0 (Two-directional vart dispersion) <br /> SSTL Resuae For Complete Fxposure PM V N Com e <br /> Repreaanta lvs <br /> CONSTITUENTS OF CONCERN Conaonuntlon Groundwater Volatilization Groundwater Volatilfxation Applicable SSTL <br /> X Groundwater in estion I to Indoor Air X I to Outdoor Air SSTL Exceeded 7 Roquired CRF <br /> Residential Commercial RegulatwAMCL) Reskisntiai Commercial Residential Commercial <br /> CAS No Nemo Wiled on slle 50o rest on-site ar►aRe on-sh onsite) If yes Only if yes Pett <br /> 7132 Benzene 2 3 E+0 >Sol NA NA NA NA NA 1 9E+1 19E+1 ❑ <1 <br /> 67-66-3 Chloroform 8 OE4 >Sol NA NA NA NA NA 3 0E+1 3 0E+1 p <1 <br /> 10746-2 Dichloroethane 1.2- 4 6E-1 >Sol NA NA NA NA NA 5 2E+1 5 2E+1 Q <1 <br /> 10041.4 Eftw1benzene 2 BE-1 >Sol NA NA NA NA NA >Sol >Sol ❑ <1 <br /> 16344044 Meth II-Butyl Ether 8 7E-3 >Sol NA NA NA NA NA 1 4E+4 f 4E+4 ❑ <1 <br /> 911-20-3 Naphthalene 2OE-1 >Sol NA NA NA NA NA NA >Sd ❑ <1 <br /> 100.42-5 S ene 9 OE-4 >Sol NA NA NA NA NA >Sol >Sol ❑ <1 <br /> 127-184 Tetrachloroethene 6 OE4 >Sol NA NA NA NA NA >Sol >Sol ❑ <1 <br /> 108-86-3 1 Toluene 1 2 0E+0 >Sol I NA NA NA NA NA >Sol >Sol ❑ <1 <br /> 1330-20-7 X erre mixed Isomers 9 BE-1 >Sol NA NA NA NA NA >Sol >Sol ❑ <1 <br /> >Sd Indicates risk based target concentretkm greater than constituent solubildy <br /> Software GSI RBCA Spreadsheet Senal G 373-ZOX 798 <br /> ®Groundwater Ser*ft Inc (GSI) 1995-1997 All Rights Reserved Verelan 10 1 <br /> i <br /> M M M M 4L M <br />