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cicokgual reChAICS Inc Page 6 <br />' Groundwater Monitoring Report <br /> • <br /> Project No 425 2 <br /> June 25,2003 <br />' 7 The deeper groundwater plume is defined vertically since MW-102 and MW-202 <br />' remain non-detect for contaminants, indicating that the contamination is not moving <br /> deeper into the aquifer <br /> 8 The three domestic wells sampled for the event remain non-detect, indicating that the <br /> drinking water aquifer has not been impacted i <br /> Recommendations <br /> ' The following recommendations are made <br /> 1 The current quarterly monitoring schedule should be maintained to determine <br /> contaminant trends <br /> ' 2 Drilling and installation of the discretely screened wells as approved by SJC should be <br /> completed ASAP <br /> 3 Positive MTBE results should be confirmed by EPA method 8260 <br /> 40 LIMITATIONS <br /> ' This report was prepared in accordance with the generally accepted standard of care and <br /> practice in effect at the time Services were rendered It should be recognized that <br /> definition and evaluation of environmental conditions is an inexact science and that the state <br /> or practice of environmental geology/hydrology is changing and evolving and that <br /> ' standards existing at the present time may change as knowledge increases and the state of <br /> the practice continues to improve Further, that differing subsurface soil characteristics <br /> can be experienced within a small distance and therefore cannot be known in an absolute <br /> ' sense All conclusions and recommendations are based on the available data and <br /> information <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 />