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STATE OF CALIFORNIA GEORGE DEUKM EJIA N, Governor <br /> CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD— <br /> CENTRAL VALLEY REGION <br /> 3443 ROUTIER ROAD, SUITE Ais5/' <br /> SACRAMENTO, CA 95827-3098 'WM <br /> r 4 <br /> V Baa r <br /> 31 August 1990 SEP 0 5 1Pro CERTIFIED MAIL <br /> P 354 404 394 <br /> ENVIRONINIUNTIAL HEALTH <br /> PERNI!I/S�ERV10ES <br /> Mr. Keith Howard <br /> Cooper, White & Cooper <br /> 1333 N. California Boulevard, Suite 450 <br /> Walnut Creek, CA 94596 <br /> N "I^ "R'7TI" PROPERTY (CEWEXE) 16 SOUTH CHEROKEE LANE, LODI - <br /> GEWEK'c LAND DcruurrlE�rT Anu rnn{.0 nG rn.r �..� �..� > � ...+.+� <br /> CLEANUP AND ABATEMENT ORDER NO. 90-702 - SITE INVESTIGATION REPORT <br /> We have reviewed the 23 August 1990 Site Investigation Report prepared by Brown and <br /> Caldwell Consultants for this site. Significant levels of hydrocarbons were detected <br /> in samples from three of the four newly installed monitoring wells. The only well <br /> which showed no hydrocarbons was the upgradient well . <br /> We agree with your consultants conclusion that dissolved phase petroleum hydrocarbons <br /> have migrated off-site beyond the locations of the newly installed monitoring wells. <br /> Therefore, it will be necessary to conduct further investigation to adequately <br /> determine the extent of contaminant migration. However, conducting this investigation <br /> should not prohibit you from proceeding with the initial design phase of a remediation <br /> plan to address the contamination, as required by Order No. 90-702. This plan may be <br /> modified or expanded to address the full extent of contamination after the <br /> investigation is completed. <br /> We note that there have been significant delays in the progress of this investigation. <br /> Although we believe the time schedule included in the Cleanup and Abatement Order was <br /> achievable, we note that you have previously objected to this time schedule. <br /> Therefore, we request that, along with the proposed remedial action plan, you also <br /> submit a proposed time schedule for completing the ground water investigation and <br /> implementing the remedial action plan. <br /> By 28 September 1990, please submit an initial remedial action plan, a proposal for <br /> further ground water investigation, and a time schedule for completion of these tasks. <br /> If you have any questions, please call Tom Peltier at (916) 361-5731 . <br /> WILLIAM H. CROOKS <br /> Executive Officer <br /> cc: Ms. Laurie Cotulla, San Joaquin County Department of Public Health <br /> Services, Stockton <br /> Mr. Pat Cullen, Brown and Caldwell Consultants, Sacramento <br />