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3 . <br /> ENVIRDNMSWFN <br /> ENTALTECHNDLDGIESCDRPDRATIDN <br /> October 8, 1996 <br /> 94369 <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 1996, Smith Canal Pump Plant, Fontana Street <br /> 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 1996. These activities included monitoring fluid levels in all <br /> frr =� site wells and collecting groundwater samples from wells MW2, MW3 and MW6 for laboratory <br /> analysis. <br /> FIELD WORK <br /> On July 24, 1996, static fluid levels were measured in monitoring wells MW1 through MW6. The <br /> water table elevation decreased an average of 0.86 feet since April 30, 1996. Table 1 summarizes <br /> the water level data collected during the reporting period and provides previous data for <br /> comparison. <br /> A groundwater gradient map was created for the July 24, 1996 monitoring event (Figure 2) using <br /> groundwater elevation data from all the wells monitored. Figure 2 depicts a groundwater gradient <br /> of approximately 0.008 ft/ft (42 ft/mile) with a northwesterly groundwater flow direction. <br /> Floating petroleum product was observed in well MW4 on June 20, July 24 and September <br /> 10, 1996. Approximately 1.1 liters, 0.21 liters and 1.8 liters of free product were recovered <br /> from the well on June 20, July 24 and September 10, respectively. Table 2 summarizes the <br /> product thickness measurements and volume of product removed from previous monitoring <br /> events. All bailed product has been stored in a DOT approved double containment drum pending <br /> appropriate disposal. <br /> w:1943691quart1y13gmr1996.doc 1 <br /> 1260 Graphics Drive Modesto,CA 95351-1502 (209)579-2221 Fax(209)579-2225 <br /> Engineering Consulting Remediarion Construction <br />