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i <br /> RECEIVE D <br /> E <br /> OCT2 1 1982 <br /> - <br /> -- 114 <br /> PERMIT/3-CAVI S Working to Restore Nature <br /> 1710 Main Street <br /> Escalon, CA 95320 <br /> Phone:(209)838-3507 <br /> FAX: (209)838-3509 <br /> October 20, 1992 <br /> i <br /> i <br /> I <br /> Ms. Linda Turkatte <br /> San Joaquin County Public Health Services <br /> P. O. Box 2009 <br /> Stockton, CA 95201 <br /> RE: Quarterly Monitoring Report, July through September 1992, Site Code 1102, <br /> Smith's Canal Pump Plant, Fontana Street and Smith's Canal, Stockton, <br /> California <br /> Dear Ms. Turkatte: <br /> f>f}> This letter report summarizes groundwater monitoring activities at the above referenced site <br /> (Figure 1) during the third quarter of 1992. These activities included monitoring groundwater <br /> levels in all site wells, collecting groundwater samples for laboratory analysis, and removing <br /> floating product from monitoring well MW4. <br /> FIELD WORK j <br /> On August 20 and September 14, 1992, static fluid levels were measured in monitoring wells <br /> MW1, MW2, MW3, and MW4. The water table has dropped more than one foot since the <br /> previous quarter. Table 1 summarizes the water level data collected this quarter and provides <br /> previous data for comparison. <br /> Water level measurements collected during this quarter indicate groundwater flows consistently <br /> northwest. Groundwater gradient maps were created using data collected from both monitoring <br /> events (Figures 2 and 3). The figures, created using a kriging program, depict a northwesterly <br /> gradient of 0.05 to 0.06 (approximately 265 to 320 feet per mile). <br /> QRTERLY 1QM092292.FNL <br /> I <br />