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.15"November 1999 •_ '� ' <br /> r .. I <br />.•'' AGE-NC Project.No: 95.=0106' <br /> Page 4 of 4, <br /> • A§''can be. seen on Table 2; hydrocarbon concentrations were generally higher iri,'gr,0. <br /> t water samples collected from the offsite'well.MW-4. _ ; <br /> '! 1 <br /> ' ,.•, Continued;detection'of TPH-g and-5TEX.inlground_water,samples eollected from the„off site. <br /> !.. n — : -- --' - _ - .: ,.-.- '1 .! .�� '''-iii , <br /> ` well MW4�indicates that the.plume of impacted'ground water.has <br /> migrated'off-site`towards <br /> the'•north: The extent of the lame around MW-4 is.constrained by;data frorri MW-6;toward• <br /> . p <br /> the north-northeast,'MW-5'toward'the southwest.and•P4'to: .ward the 'southeast,relative-'to <br />' 1 MW=4`.,The'northwestern extent of'the plume is not well constrained: <br /> a ; IS 0 RECOMMENDATIONS e' , <br /> I' k <br /> Based on the results of this-invesiigati6 AGE recommendsa <br /> s: •' ';.Continued quarterly monitoring of the monitoring well network. AGE-has scheduled the:next <br /> ground water monitoring event for 24 Noverriber`1999.' <br /> 4 <br /> • -Di.continue analysis by.,EPkWthod S26013for oxygenated fuel additives: ' <br /> C' Ile soil`and'ground water sarriples to characterize and d_elineat'e the off-site plume „ 1 <br /> of impacted ground water to`assessauitability for site closure. <br /> 6.0. - LIMITATIONS. <br /> Our professionalservices were erfornied,usin that-de ree of care and'skill ordiriatil exercised by'„' environmental• consultants,practicing in tills or'similar, localities: The findings were based„upon <br /> arialy}tical'resuits pro'vid'ed by-an'independent laboratory. Evaluations dfth'e geologic/hydrogeologic <br /> conditions, at the site for:the purpose of'this investigatioii!are made ffom a limited number' of ;. <br /> ' available data points (i.e.•monitoring well groundwater samples}and subsurface conditions,may <br /> wary away from,these data points: .No other.warranty, expressed or implied; is'made as to 'the <br /> i ,professional recommendations coniained in'this'report. �,' •.t �` <br /> WL <br /> of ' .,, ! ' .i } •� i y = 1 ' [ I - r { <br /> Advanced GeoEn ironmenlal lnc <br />