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EFRR. <br /> I <br /> . Mr James Barton <br /> November 2, 2004 <br /> Page 6 <br /> Due to the cost of operating system and the regulatory mandate to cleanup the site in a timely <br /> manner, it is our intention to fully optimize the AS/SVE operation Future ASISVE optimization <br /> activities and seasonal fluctuations in groundwater elevation may produce sporadic and <br /> short-term elevated concentrations in wells MW-14 and MW-18D However, we will monitor all <br /> wells for increasing trends and make system optimization adjustments as required <br /> The fourth quarter sampling event was completed on October 22, 2004 During this quarterly <br /> sampling event, all monitoring wells were sampled Draft copies of the analytical results will be <br /> submitted to the RWQCB for review within prior to November 15, 2004 The results of this <br /> sampling event will be evaluated to assess increasing or decreasing trends in Unit B <br /> Remarks/Signatures <br /> The interpretations contained in this work plan represent our professional opinions, and are <br /> based in part, on information supplied by the client These opinions are based on currently <br /> available information and are arrived at in accordance with currently accepted hydrogeological <br /> and engineering practices at this time and location Other than this, no warranty is implied or <br /> intended <br /> If you have any questions regarding this project, please contact Ben Heningburg at <br /> (916) 288-4315 <br /> Sincerely, I <br /> ARK <br /> ENSR Corporation CAPPS <br /> �� �/ L <br /> Ben - <br /> 3o c <br /> mm I Henmgb g Mark Capps, R 61 <br /> Senior Project Manager Senior Project Ma <br /> Or C <br /> BH/mr ---- <br /> Ref 06940-293-120 <br /> Attachments <br /> cc Mr John Frary, Union Oil Company of California <br /> Mr Mike Infurna, San Joaquin County - Environmental Health Department <br /> Ms Jill Tracy, Esq , Union Oil Company of California <br /> Mr Jay Allen, Stone Brothers Management Company <br /> Mr Gary Hall, GHH Engineering, Inc <br /> 11DcsacmmentotprojectslProjects10694015098-2931FinaRReportslWork PlansM%Work Plan SVE A5 System doc <br /> lin- <br />