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samples collected on February 23, 2000 The increase in overall ground\%ater elevation <br /> since the previous quarterly monitoring round ,Nas accompanied by a decrease in TPH-G <br /> BTEX and MTBE concentrations at the three monitor wells <br /> RECOMMENDATIONS <br /> 1) Implement September 28, 1999 N\orkplan to install additional groundwater <br /> monitoring wells following approval or amendment by SJCEHD <br /> 21 Re-survey monitor �,\ell casing eleNations at MW1, MW2 and MW3 to insure proper <br /> deteimination of groundwater gradient and floe direction <br /> LIMITATIONS <br /> The discussion presented in this report is based oil the following <br /> 1 The observations and data collected by field personnel <br /> 2 The results of laboratory analyses performed by a state certified analytical labolatoiy <br /> 3 Our understanding of the regulations of San Joaquin County and the State of <br /> California <br /> Changes in groundwater conditions can occur due to variations in iainfall, temperature, <br /> local and regional water use and local construction practices In addition, variations in <br /> the soil and groundwater conditions could exist beyond the points explored in tills <br /> investigation <br /> State Certified Laboratory analytical results are included in this report This laboratory <br /> follo�tis EPA and State of California approved procedures, however, WEGE is not <br /> responsible for errors in these laboratory results <br /> The services performed by Western Geo-Engineers, a corporation under Callfoinia <br /> Registered Geologist #3037 and/or Contractors License ##513857, have been conducted <br /> in a nnanner consistent with the level of care and skill ordinarily exercised by members of <br /> our profession currently practicing under similar conditions to the State of California and <br /> San Joaquin County Our %\ork and/or supervision of rennediation and/or abatement <br /> opeiations, active or preliminary at this site is no way meant to imply that v<e aie owners <br /> or operators of this site Please note that the known contamination of soil and/or <br /> groundwater must be reported to the appropriate agencies in a timely manner No other <br /> warranty expressed or implied is made If you have any questions concerning this report <br /> or if we can be of further assistance, please do not hesitate to contact us at (530) 668- <br /> 5300 <br /> '0 ED GrQ�oC <br /> ack E Nappe NAPPER David Threlfall <br /> R G #f3037 Project Geologist <br /> * No. 3037 �� <br /> sr9T OF CA�tiF Are Pump QM 1-3 2000 <br />