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Table 1 <br /> Recommended Monitoring and Sampling Schedule <br /> Flag City New West#1003 <br /> 6437 West Banner Street <br /> Lodi,California <br /> Monitoring Proposed <br /> Well Reason for <br /> Monitoring&Sampling Recommendation <br /> Schedule <br /> The groundwater plume is predominantly <br /> composed of MTBE,and MTBE is the <br /> only constituent of concern present in <br /> EW-6A,EW-7A,EW-7B,EW- concentrations of significance. The off- <br /> 8B,EW-9B,EW-I OA Quarterly for MTBE site extraction wells are placed in the <br /> central-to down-gradient portion of the <br /> Plume,and analytical data collected from <br /> these wells will adequately delineate the <br /> extent of the plume. <br /> Wells MW-9B,MW-9C and MW-9D are <br /> considered sentry wells for CSA-31-2. <br /> MW-9B,MW-9C, Closure Solutions proposed to continue <br /> MW-9D,CSA-31-2 Quarterly for MTBE quarterly groundwater monitoring of these <br /> wells,however samples will only be <br /> analyzed for MTBE. CSA-31-2 will <br /> continue to be sampled quarterly. <br /> These wells are located in areas(mown to <br /> exhibit elevated concentrations of MTBE. <br /> EW-4,EW-5,MW-4B, Semi-annual(2Q and 4Q) Closure Solutions proposes to sample <br /> MW-7A,MW-8B for MTBE <br /> these wells on asemi-annual basis to <br /> assist in the evaluation of remedial <br /> effectivness <br /> All wells,including CSA-31-1 To evaluate remedial effectivness,all <br /> and CSA-31-2 Annually(2Q)for MTBE wells will be sampled on an annual basis <br /> during second quarter. <br /> Notes: <br /> MTBE =Methyl tert-buty)ether by EPA Method 8260B <br /> Lodi SRxIs <br /> Page I oft <br /> Closure Solutions,Inc. <br />