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. ND- None detected NA- No Data ug/1 - nucrogranis per liter <br /> All Resna data from 1/17/88 to 10/11/93. <br /> Discussion <br /> Contaminants were not detected in any well during this sampling event. <br /> A relatively slow groundwater movement is inferred from the groundwater <br /> measurement data. Overall site groundwater movement is to the north and is <br /> consistent with historic groundwater flow mapping This chemical data indicates in <br /> our opinion, that dissolved contaminants have not migrated from the immediate area <br /> of the former tank excavation. <br /> Conclusions and Recommendations <br /> The continuation of quarterly groundwater monitoring program is recommended for <br /> this site. <br /> Limitations <br /> This report has been prepared specifically for the Tracy High School site, and was <br /> done according to the State and local agency suggested guidance documents for these <br /> investigations. The interpretations, conclusions and recommendations made herein <br />. are based on the data and analysis for the soil and water samples collected on-site and <br /> should be reviewed in the context of the whole report Please note that reports of <br /> contamination must be submitted to the agencies in a timely manner. Wright <br /> Environmental Services, Inc. is not responsible for errors in laboratory analysis and <br /> reporting, or for information withheld during the course of the study. No warranty <br /> or guarantee is expressed or implied therein <br /> If you have any questions concerning this report, please call. <br /> Sincerely, ,`�.FtE G�O <br /> Wright Environmental Services, Inc. � NRM iV pq��c <br /> z' N° 1262 <br /> CART na <br /> ohn Affonso4 Christopher M. Palmer <br /> ENGINEERING <br /> Project Manager C.E G 1262; HG 246 sT GEOLOGIST <br /> P <br /> 4F CA"VU <br /> Attachments: <br /> Figure 1 Site Plan and Groundwater Elevation Contour Map <br /> Appendix A Groundwater Sampling Information Sheets <br /> Appendix B Chemical Analytical Date and Cham-of-Custody Forms <br /> Tracy High Project No. 4129 Page 3 <br />