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Tier 2 worksheet 8 1 <br /> Site Name Formeer Regal 603 Site Location 6425 Pacific Aenue Stockton CA Completed By George Converse Date Com feted 10115/1998 9 OF 9 <br /> TIER 2 EXPOSURE CONCENTRATION AND INTAKE CALCULATION <br /> GROUNDWATER EXPOSURE PATHWAYS _ ■ {CHECKED IF PATHWAY 15 ACTIVE) <br /> GROUNDWATER INGESTION I xPosum Concentration <br /> MAX PATHWAY INTAKE[mglkgayt <br /> j1)source Medium 2)NAF Value 1dim1 3)Exposure Medium 4)Exposure Multiplier 5)Average Dally Intake Rate (Madmumrnfelra eraedra P•dn-r <br /> i <br /> Receptor Groundwater POE Cone 1 salt raacdrng i greundwefor roufaij <br /> p {�)()1(2) [IRxEFxEO)f[eYYxAT) (I -0ay) (mgrkg-day)(11 x[�I <br /> Groundwater CDnc <br /> Constituents of Concern m On Site Commrrdsl OF Site Restden6al OrvSde Commercial OI45de Residential OnSne Commeroal Off Sde Residenttat On Sde Cix sinal Ort Sne Re+denaai On Site Commerual Off Site Resldenoal <br /> Benzene 5 OE 3 1 OE+0 1 OE+10 5 OE-3 5 OE-13 3 5E-3 1 2E 2 1 7E 5 5 9E-15 1 7E-5 59E-15 <br /> Ett1 (benzene 2 2E-1 1 OE+O 1 OE+10 2 2E-1 2 2E-11 9 8E-3 2 7E 2 2 2E-3 6 OE 13 2 2E-3 6 OE-13 <br /> Hexane n- 3 4E+0 1 OE+0 1 OE+10 3 4E+0 3 4E-10 9 8E-3 2 7E-2 3 3E-2 9 3E 12 6 9E-2 i 9E-11 <br /> Methyl t Butyl Ether 2 9E-2 1 OE+O 1 OE+10 2 9E-2 2 9E-12 9 8E-3 2 7E-2 2 8E4 7 9E-14 1 1 E-3 3 2E-13 <br /> Toluene 5 8E-2 1 OE+O 1 OE+10 5 eE 2 5 8E-12 9 8E-3 2 7E 2 5 7E4 1 6E-13 5 7E4 1 6E-13 <br /> Xylene mixed Isomers 4 9E 1 1 OE+0 1 OE+10 1 4 9E 1 4 9E-11 9 8E-3 2 7E-2 4 BE 3 1 3E-12 4 8E-3 1 3E-12 <br /> NOTE AB;=Dermal absorption factor(dem) BW=Body weight[kg) EF=Exposure frequencey 4dayslyr) POP=Point of exposure <br /> f <br /> AF, Adherance factor(mg/cW 2) CF=Units Conversion factor ET=Exposure time[hrsrday) SA=Stun exposure area(cwwday) <br /> r AT Averaging time(days) ED=Exposure duration(yrs) [R=Intake rale{Qday) <br /> i <br /> 1 <br /> Software GSI RBCASpreadsheet Senaf G443 CSX-444 <br /> 0Groundwater Services Inc (GSI) 1995 1997 All Rights Reserved Version 1 a 1 <br /> 1 <br /> i <br /> e <br /> 7 <br /> i <br /> l <br /> T <br /> J <br />�I <br /> t <br /> 1 <br /> E <br /> I <br /> 1 <br /> r <br /> I <br />