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STATE OF CALIFORNW-,-lflonmental Prote�l�eJlgency PETE WILSON Governor <br /> CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD <br /> CENTRAL VALLEY REGIONne <br /> 3443 Ftoutisr Road,Suite Pi '� L <br /> Sacramento,CA 95827-3[198 FR <br /> FAXNs ) 255-3000 o 0 <br /> i62555OCT 34Hj: <br /> 2 October 1996 <br /> Nils. Jean Young-;HQB <br /> Department-4 TWcs Substances Control <br /> 4010 P Street <br /> .. .. ... ..... <br /> Sacramento;CAA.95.814 <br /> I SPONSIBLE PAR'T'Y'REQUEST FOR MONITORING WELLS DIEM.U' L. <br /> StJI;�J'ENT PLUME STUD'AREA,ODI,SAN JOAQUII+ COUNTY <br /> 'The owner of'`a former Te xaco servike station at 305 S Hutchins StreetLodi,aan Jdaqtun Costnty has <br /> requested&da`no further action required°letter be issued for the investigation,rearnediait on:and; <br /> monitoring ofthe,;underground storage:tank release. Can 24 October 1996 the San Joaquin-County <br /> C:7ndergrflund Storage Tank Technical Review Committee(TR.C�will meet to voteon regulatory clo+ure <br /> fcr this site: Tfthe site is issued a no �rther action required letter,the mdsnitaring wells'will b+r <br /> destroyed und;wi11 trot be available frit continued investigation of the Lodi solvenf plume: Comr�iments <br /> farm the Regional hoard and the I3epartment;regardng the responsible;party's request for na finer. <br /> action.needs to be provided.in writing to Sar;`:Joaquin Environmental Health Division by 20 October <br /> 1 96: The Regional Board will 00 assume the financial liability for the maintenance and/or destruction <br /> ofthese monitoring wells. <br /> I have enclosed the San Joaquin County Case Closure Summary,four years of monitoring data from the <br /> existing five wells and excerpts from a closure report prepared for Texaco. The monitoring data shows <br /> MTBE, 1,2-DCA,TCE,PCE and 1,2-F CE in groundwater. The potential.up gradient source of the <br /> MTBE could be the Exxon station across the street,while the chlorinated solvents in groundwater is part <br /> of the Lodi solvent plume. Please inform Mr.Mike Infurna of the San Joaquin County Environmental <br /> Health Division at(209)468-3454 if you would like to be present as a non-voting participant at the nem <br /> TRC meeting: <br /> If you have any questions on these matters,please call me at(916)255-3137. <br /> )AMSBRATHOVDE <br /> Associate Engineering Geologist <br /> Enclosures: <br /> cc: Mx Mike Infurna, San Joaquin Environmental Health Division,Stockton(w/o enclosures); <br />