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ti <br /> f _ <br /> sL C f { qA 1_T11 1 <br /> &ASSOCIATES INC <br /> fXG 12 AM 9. 36 <br /> July 16, 1993 <br /> Mr Gary Weinberger <br /> JVM Associates <br /> 5601 W Mohave <br /> Phoenix, Arizona 85031 <br /> QUARTERLY STATUS REPORT <br /> JVM ASSOCIATES <br /> 781 Swift Way <br /> Stockton, California 95206 <br /> WKA No 1735 02 <br /> 1 Dear Mr Weinberger, <br /> r As requested by the San Joaquin County Public Health Services, we are <br /> 1 _ submitting this quarterly status report for the subject property, located a 781 <br /> 1 <br /> } I Swift Way in Stockton, California (Plate 1) <br /> Geotechnical Engineering <br /> s Ground water elevation measurements of the three monitoring wells (MW1- <br /> Engineering Geology MW3) took place on June 29, 1993 Based on previous ground water <br /> Environmental Consulting <br /> elevation measurements, the ground water flow direction has shown a change <br /> in direction possibly due to seasonal fluctuations, precipitation, or localized <br /> Remediation Services pumping. The ground water flow direction has changed from an southeastern <br /> Construction Inspection flow to a northwestern flow beneath the subject property with a hydraulic <br /> gradient of 0 0048 feet/foot (Plate 2) <br /> � <br /> Materials Testing <br /> Ground water samples were obtained from the three on-site monitoring wells <br /> y on June 29, 1993. Prior to sampling, the water level in each well was <br /> s <br /> ` 3050 Industrial Blvd measured and checked for visual signs of free product using a clear bailer <br /> West Sacramento Approximately three to five well volumes of water were purged from each <br /> CA 95691 well using a 3 1/2-mch diameter polyvinyl chloride (PVC) bailer until <br /> s <br /> Fax 916 372 2565 <br /> r � <br /> 916 372 1434 <br /> RerpLled paper <br />