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SMTH <br /> ENVIRONMENTALTEGHNOLGGIESCORPORATION <br /> December 21, 1995 <br /> 94-369-001-T10 <br /> Ms. Linda Turkatte <br /> San Joaquin County Public Health Services <br /> Environmental Health Division <br /> P. O. Box 388 <br /> Stockton, CA 95201-0388 <br /> Subject: Site Status Report, Third Quarter 1995, Smith Canal Pump Plant, Fontana <br /> Street and Smith Canal, Stockton, California, Site Code 1102 <br /> Ms. Turkatte: <br /> This letter report summarizes groundwater monitoring activities at the above referenced site <br /> (Figure 1) during the third quarter of 1995. These activities included monitoring fluid levels <br /> in all site wells and collecting groundwater samples from wells MW2, MW3, and MW6 for <br /> .= s laboratory analysis. <br /> FIELD WORK <br /> On October 3, 1995, static fluid levels were measured in monitoring wells MWi through <br /> MW6. The water table elevation decreased an average of 1.41 feet since June 28, 1995. <br /> Table 1 summarizes the water level data collected during the reporting period and provides <br /> previous data for comparison. <br /> A groundwater gradient map was created for the October 3, 1995 monitoring event (Figure 2) <br /> using groundwater elevation data from all the wells monitored. Figure 2 depicts a <br /> groundwater gradient of approximately 0.018 ft/ft (96 ft/mile) with a northwesterly <br /> groundwater flow direction toward MW2. <br /> Floating petroleum product was observed in well MW4 on August 11 and October 3, 1995. <br /> Approximately 4.5 liters and 2.8 liters of free product were recovered from the well on August <br /> 11 and October 3, respectively. Table 2 summarizes the product thickness measurements and <br /> volume of product removed from previous monitoring events. All bailed product has been <br /> stored in a DOT approved double containment drum pending appropriate disposal. <br /> r3 943691QRTEI2LY\3QMR1995.doc 1 <br /> 1260 Graphics Drive Modesto,CA 95351-1502 .(209)579-2221 Fax(209)579-2225 <br /> Engineering Consulting Remediation Construction <br />