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0 <br /> RBCA SITE ASSESSMENTTler 2 Worksheet 8 1 <br /> Site Name Formeer Regal 603 Site Location 6425 Pacific Aenue Stockton Completed By Geo! a Converse Date Com leted 10/15/1998 3 OF 9 <br /> TIER 2 EXPOSURE CONCENTRATION AND INTAKE CALCULATION <br /> OUTDOOR AIR EXPOSURE PATHWAYS ■ CHECKED IF PATHWAY IS ACTIVE <br /> GROUNDWATER VAPOR Eap--Conc—t-twn TOTAL PATHWAY INTAKE(mft-cfay) <br /> INHALATION 1)Source Medw 2)NAF Value W&I-I 3)Exposure Medium 4)Egposure Multiplier 5)Average Daily Intake Rale (sten Intake vans it n uric. <br /> Receptor OutdA,, an <br /> POE Ce (mym 3)it)f(2 QE <br /> R.EFry(BW.AT) (m^3&g day) (r�p-dayl(3)X(4) susswfac.A grourdnfer rwrars <br /> Groundwater Conc oor <br /> Constituents of Concern (M24-) CM Sde commercial on sdo Cammeraal On Site Oummercai On site carrmerdal orrsde Oommerdal Oe Safe Read-4 <br /> Benzene 5 OE-3 2 4E+5 2 IE-8 7 OE 2 1 5E-9 3 4E 8 6 OE-9 <br /> Eth 16enzene 2 2E-1 2 3E+5 9 4E-7 2 OE 1 1 6E-7 3 IE-6 5 OE-7 <br /> Hexane n- 3 4E+0 8 4E+3 4 1 E-4 2 OE 1 7 9E 5 1 7E-3 2 4E-4 <br /> Methyl t Sulyl Ether 2 9E 2 1 7E+5 1 7E-7 2 OE-1 3 4E 8 3 8E 7 6 4E-8 <br /> Toluene 5 8E 2 2 4E+5 2 4E-7 2 OE-1 4 7E-8 1 OE-7 9 9E-9 <br /> X lens mixed Isomers 4 9E-1 2 6E+5 1 9E 6 2 OE-1 3 7E 7 1 OE 5 1 SE-6 <br /> i <br /> i NOTE ABS=Dermal absorption factor(dim) BW=Body weight(kg) EF=Exposure frequancey(daystyr) POE=Point of exposure <br /> i AF=Adherence factor(mglcm^2) CF=Units conversion factor ET=Exposure Ilme(hrslday) SA=Skin exposure area(—^2/day) <br /> i <br /> AT=Averagvig time(days) ED=Exposure duration{yrs) IR=Inhalation rate(m^31day) <br /> i <br />'s <br /> I Software GSI RSCA Spreadsheet Serial G-443 CSX444 <br />' Ci Groundwater Services Inc (GSI) 1995 1997 All Rights Reserved Version 1 0 1 <br /> e <br /> i <br />) <br /> i <br /> i <br /> I <br /> f� <br />