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The remaining four monitoring wells, MW-2, MW-3, MW-4 and MW-5 all indicated non <br /> . detectable levels for gasoline and gasoline constituents during this quarter These data <br /> are consistent with data from previous sampling events <br /> 6.0 CONCLUSIONS <br /> The following conclusions and recommendations are based on the observations and <br /> ' <br /> analytical data collected to date Site, soil and ground water conditions not discovered or <br /> Y <br /> currently known may cause a change in the opinions presented in this report <br /> Laboratory analysis of ground water samples indicates the presence of significant levels <br /> of gasoline and gasoline constituents in water collected from monitoring well MW-1 and <br /> minor concentrations in MW-6 All other monitoring well samples indicated non <br /> detectable levels for analyzed constituents These data are consistent with previous <br /> tsampling event data <br /> No gasoline or gasoline constituents were detected in the water samples collected from <br /> ' the water supply wells <br /> M 7.0 RECOMMENDATIONS <br /> ' The lateral and vertical extent of gasoline contaminated soil and ground water have not <br /> been defined to date Additional soil and ground water investigation is required at this <br /> site to fully define the limits of contamination <br /> AGS recommends continued quarterly monitoring to assess potential migration of <br /> ' contaminants down gradient <br /> CA45DE-D29 g <br /> American Geological Services Inc <br /> 11 <br /> f <br />