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Geofoguaf7erfmcs Inc Page 4 <br /> Groundwater Monitming Report <br /> Project No 723 2 <br /> January 29, 2001 <br /> 3.0 CONCLUSIONS & RECOMMENDATIONS <br /> Conclusions <br /> 1 The groundwater contaminant plume is not defined vertically or laterally <br /> 2 Groundwater flow trends to the northeast to east The southerly flow direction on <br /> ' December 4, 2000 appears to be anomalous <br /> 3 High levels of BTEX and TPH-G are present in the groundwater of all six water table <br /> monitoring wells Low concentrations of BTEX and TPH-G are present in the deep <br /> well <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 snail 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 <br /> in February 2001 <br /> 3 Due to the infrequent detection of the oxygenated fuel compounds at this site, future <br /> quarterly monitoring events should not include analysis by EPA method 8260 <br /> However, testing for MTBE by 8021 is Justified <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 /> 1 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 /> 1 <br /> 1 <br />