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r <br /> III F • f .f , S r' 1 � -1 i M s f , <br /> % L ! r•n_ 7 ! - . <br /> 12'Auz st'•2002 <br /> ., . AGEo' 95 0114 <br /> -NC l?rojecf N 1 <br /> P,age4of4 ' <br /> • The BTEX compound ethylberizene' 'was detected in on-site well MW-9 at.a concentration ' <br /> ,, • :'PCE and TCE Were detected in the water samples"collected from we MW6,.MW7`and <br /> MW-10'afconcentrations.exceeding the DHS' Maximum Contaminant Level {MCL} of 5 <br /> 1tg/l;Detected concentrations ofcis 1,2=DCE,trans 1,2-DCE,.1',2-dichl6robenzene,and,viilyl <br /> chloride,also exceeded their respective:MCL: " <br /> •. The lateral extent ofthe dissolved.halogenated-liydrocarbori plume has not been defined'east <br /> or north:of wells MW-6 and MW-10. A map of dissolved TPH-ss.and VOCs is depicted in <br /> Figure 2. ; <br /> 5:0. RECOMMENDATIONS - <br /> Based upon the results of the investigation,".AGE recommends: <br /> '• Continued,ground water monitoring'- the next ground water monitoring .event should be <br /> scheduled for August 2002. <br /> • Advancement of cone penetrometer testing,soil borings to delimit the vertical.extent of ; <br /> impacted soil and ground water and define and characterize the.local hydrologic units. <br /> 6.0.. : LIMITATIONS , <br /> ' Ourprofession'al services were performed using that degree-of care and skill ordinarily exercised by <br /> environmental consultants'pr'" ticing in,this or similar localities: The findings were based mainly on <br /> analytical results provided by an'independent laboratory. Evaluations of hydzogeologic conditions <br /> at-the site for,the purpose of this investigation are made'frolii alimited number of.data.points (i.e. <br /> soil samples,monitoring well'groundwater samples),and subsurface conditions may vary away from <br /> these points.No other warranty,expressed or implied,is made as to the"professioinal interpretations, <br /> opinions and'recommendatioris contained in this report.' <br /> Advanced,GeoErivironmental;Inc.— <br /> . <br />