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Ceolo ical Technics /Kc. <br /> 1172 Kansas.Avenue <br /> Modesto,California°95351 <br /> (209)522-41191 Fax#522-4227R <br /> E ' G <br /> EIV D <br /> www.gtienv.com <br /> �'•{° <br /> MAY 172011 <br /> May 12, 2011 EWRONMENTAL HEALTH <br /> PERMIT/SERVICES <br /> Project No.: 723.2 <br /> Project Name: Valentine (Castle Motors) <br /> Mr. Harlin Knoll <br /> San Joaquin County <br /> Environmental Health Department <br /> 600 East Main Street <br /> Stockton,:CA 95202-3209 <br /> Re: Revised Groundwater Monitoring and Sampling Schedule <br /> Steve &Genes Service <br /> 2315 N. El Dorado St. <br /> .Stockton, CA 952.04 <br /> Site Code: 2080 <br /> Dear Mr. Knoll; <br /> Low residual funds available for this project and impending changes.within the US TCF process <br /> will result in budgetary.constraints_ placed on alf projects; To accommodate this situation, <br /> Geological Technics Inc. (GTI) proposed.itrtheir. ft Semi Annual Groundwater Monitoring and <br /> Remedial Status Report,_ :dated March 7th, 2011;. to reduce the frequency and number of <br /> constituents to be monitored., <br /> In the San .Joaquin County Envirorirnental.Health Department (SJCEHD) directive dated April <br /> 25th, 2011, the SJCEHD requested'a revised groundwater monitoring and sampling.schedule.in <br /> order to reduce project costs allowing for an: increase of:available funds for site remediation. <br /> GTI reevaluated the historical data and below;is thel eew schedule for monitoring. and sampling <br /> that we recommend and supersedes lour recbmniendation in .the Is' Semi-Annual Groundwater <br /> Monitoring and Remedial Status Report, dated-March 7th; 2011:.. <br /> The current monitoring schedui"e,'as directed by SJCEHD is as.follows:., <br /> • Annual monitoring of eleven groundwater. monitoring :wells that_have been,historically <br /> trace or non-detect(M—W-7 -107; -207, 307, -9, -109, -209, 309, -101, -201 and -308). <br /> i <br /> I <br /> .� i <br />