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benzene exceeds the amount allowed to be left in place, refer to <br /> EXHIBIT F for copies of those worksheets. There was no con- <br /> tamination detected in the soil samples at 36' or 41' <br /> SUMMARY OF RESULTS OF ALL WORK DONE TO DATE: <br /> The results of all of the work done on this site since removal of <br /> the UST in 1989 is briefly summarized below: <br /> 1 The vertical & horizontal limits of the plume have been fully <br /> defined <br /> 2 Groundwater has not been impacted. <br /> 3 Levels of contaminants in the soil have decreased signifi- <br /> cantly in the 3 1/2 years since the UST has been removed. Only <br /> benzene currently exceeds allowable levels, and none has been <br /> encountered below 31' 6" in any soil baring on either site. <br /> CONCLUSIONS & RECOMMENDATION: <br /> Based upon a detailed analysis of all of the data obtained over <br /> the last 3+ years, we do not believe that further site assessment <br /> work is warra ted or necessary, and we recommend that both sites <br /> be cl ed <br /> Wm. ter & Associates <br /> Au 10 , 1994 <br /> ON <br /> cc: Normac Q WumiiiUNTER <br /> P. Riddle <br /> Hammertown Partners <br /> * NO 660 � <br /> OFC <br /> 6 <br />