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contaminant and is probably the source. <br />With respect to the attached information, the data and statistical <br />evaluation show a combination of increasing and decreasing trends <br />in the impacted wells. These trends as summarized in the table on <br />page 3 of the statistical evaluation report. The significant issue <br />is that monitoring well #13 has shown the presence of VOC's for the <br />first time. Because this represents the initial detection, <br />additional confirmatory results will be necessary. Future testing <br />results for this well will be scrutinized. <br />Results from the unimpacted wells did show traces of total xylenes <br />and toluene in monitoring well #6 and traces of toluene and <br />ethylbenzene in monitoring well #12. These wells have been <br />retested and the results will be included in the fourth quarter <br />report. <br />"I certify under penalty of law that I have personally examined and <br />am familiar with the information submitted in this document and all <br />attachments and that, based on my inquiry of those individuals <br />immediately responsible for obtaining the information, I believe <br />that the information is true, accurate, and complete. I am aware <br />that there are significant penalties for submitting false <br />information, including the possibility of fine and imprisonment." <br />If you have any questions, please contact Bob Murdoch, Senior Civil <br />Engineer at (209) 937-8829. <br />U <br />STEPHEN CHEN <br />DEPUTY PUBLIC WORKS DIRECTOR, SOLID WASTE <br />CC: Ed Padilla, SJC Public Health Service <br />J.C. Isham, EMCON Associates <br />Mike Miller, Solid Waste Manager <br />File <br />