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[IL III III& HLIcn , Maruu Sic and Quirtcr _000 oioundw icer 'vinnstorirtg <br /> Iuly '1 2000 <br /> P Igt 1 <br /> hLIVCnL total IL[I , and I f']i (, \Nert, dctLL1ed n] the -rtoundwater ,asTlplr, t-ullcLted from MW-4 at <br /> 0011LI mi-LI1lon, ul 3 6 1) 6 u1-1 1 61 µail ind 0 i- ing/l re,peLtt'�eIV Ilse laboratory analytical of the <br /> ground\\ atLI ,ample, arc, pre1,CI1ted H I,able , Ind III 1 i<gmt - 3 1pptndi\ 1 I li,torlcal "IotlridNvatLI momtoru)g <br /> data arc. IncltldLd In 1 ably stn 111L IILvt page. <br /> F ABLE 2 <br /> Laboratory knalytical Results <br /> Groundwater Samples (tune 21, 2000) <br /> Oxygenates/Additives <br /> B T E X TPH-(. tert <br /> 1 VITBE Ethanol Butanol D(PL E TBE TAME <br /> DCILCtlon 0 3 0 ; I] 06 0 0� 1 {) 1 0 1() 1 0 1 0 1 0 <br />' 1 llnit�, Ll i u`_'.I Ftu I ttU I rrlg"l µL; I u� l }1.11 I uo 1 Ll-1' 1 pgd <br /> Analytical Method ; 602 602 602 602 'N010 I {'I I 8260 8260 8260 8260 8260 8260 <br /> 5amplc I D <br /> 1432-MW1-6/21 00 ND ND ND ND ND ND N1) ND ND ND ND <br /> 1432-MW-1-6,2100 70 66 1 0 94 007 120 000 \D* Nir ND4 N41) NDO <br /> 1132-MW1-6,21,00 til) ND Nus) N1) ND 8,800 ND* NW: NDS ND ND* <br /> 143? MW4-6,�1 00 3 6 —ND 06 6l 0 37 ND ND ND ND ND ND <br /> I rrnr( on,,,-:Bron, lnalyuLal <br /> I,rgrl parts per billion(ppb) BFl-`C hensene talnc.nr. LtIINI hcnrcnL and testa] xvicnc, <br /> marl parts pt-r million (ppm► 111114( total pLtrolutm hydrocarbons yuantifocd as gasoline <br /> M I']3} methyl tert-butyl cthet <br /> test Butanol tertrarv-butanol <br /> DlPf- di-Isopropvl ether <br /> FTBE ethyl teitiary-hutv] Lthcr <br /> I AMF tLrtiary-arm I methyl ether <br /> NF) nut dct�LtLd at or chum,the laburator,, r,portud dot,-I-tton Irma <br /> \f) not detected at or shove a raised laboratory rcportcd detection limit See laboratory report <br /> ,11LLt, for dLte.rxinn lnnns <br /> 3 4 GROUNDWATER CONTOURS <br /> I Groundwater 0(,vatton measurements collected at the site on June 21 2000, Indicate that the average depth to <br /> groundwater was approximately six feet below the monitor well and surface water station measuring points The <br /> groundwater elevations for the wells and the Island drainage channel water surtace elevation are shown in Figure <br /> 4, Appendix A 1-igure 4 shows the estimated groundwater elevation contours on June 21, 2000 The contours <br /> indicate a steep grotlndwater gradient towards the island drainage channel <br /> %.J* CONDOR <br />