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' eolo rca[Technecs Zne <br /> � g Page 4 <br />' Groundwater Monitoring Report <br /> Project No 723 2 <br /> .10 September 13,2000 <br /> 3.0 CONCLUSIONS & RECOMMENDATIONS <br />' Conclusions <br /> 1 The groundwater plume is not defined vertically or laterally <br />' 2 Groundwater flow trends to the northeast to east <br /> 3 High levels of BTEX and TPH-G are present in the groundwater of all six shallow <br /> monitoring wells Low concentrations of BTEX and TPH-G are present in the deep well <br />' 4 M1 BE is present in one of the seven monitoring wells <br /> Recommendations <br /> 1 Investigate the vertical and lateral extent of the groundwater plume GTI submitted a <br /> "Vertical Definition Work Plan" to SJC PHS/EHD by facsimile on August 24, 2000 <br /> (Original sent certified mail and received/signature receipt by SJC PHS/EHD on August <br /> 29, 2000) <br /> 2 Continue quarterly groundwater monitoring, with the next monitoring event scheduled in <br />' November 2000 <br /> 3 Due to the presence of the oxygenated fuel compounds during previous monitoring <br /> events, the quarterly monitoring events should include analysis by EPA method 8260 <br /> 4.0 LIMITATIONS <br />' This report was prepared in accordance with the accepted standards and practices of the <br /> field of environmental geology, groundwater hydrology and good business practices It <br />' should be recognized that definition and evaluation of environmental conditions is a <br /> difficult and inexact science Judgments leading to conclusions and recommendations are <br />' generally made with an incomplete knowledge of the site-specific conditions present <br /> The tasks proposed and completed during this project were reviewed and approved by the <br /> local regulatory agency for compliance with the law No warranty, expressed or implied, <br /> is made <br /> 1 <br /> • <br />