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WALLACE • KUHL <br /> r &ASSOCIATES INC <br /> August 19, 1994 V 2 P:1 1 ' Q 7 <br /> Mr Gary Weinberger <br /> JVM Associates <br /> 5601 W. Mohave <br /> Phoenix, Arizona 85031 <br /> QUARTERLY STATUS REPORT <br /> 781 SWIFT WAY <br /> Stockton, California 95206 <br /> W CA No 1735 02 <br /> Dear Mr Weinberger, <br /> As requested by the San Joaquin County Public Health Services, we are <br /> submitting this quarterly status report for the subject property, located at 781 <br /> z ! Swift Way in Stockton, California (Plate 1) <br /> Ground water elevation measurements of the three monitoring wells (MW1- <br /> Geotechnical Engineering <br /> :r MW3) took place on June 2, 1994, historical ground water elevation data is <br /> Engineering Geology provided in Table 1 Based on previous ground water elevation measurements <br /> � <br /> obtained March 29, 1994, the ground water flow direction has shown to be <br /> f i <br /> Environmental Consulting consistent with elevation measurements obtained on June 2. 1994 The ground <br /> Remediation Services water flow direction beneath the subject property is northeasterly with a <br /> 4 hydraulic gradient of 0 005 feet/foot (Plate 2) <br /> Construction Inspection <br /> Ground water samples were also obtained from the three on-site monitoring <br /> Materials Testing <br /> wells on June 2, 1994 Prior to sampling, the water level in each well was <br /> measured and checked for visual signs of free product using a clear bailer <br /> Approximately three to five well volumes of water were purged from each <br /> 3050 Industrial siva well using a three-inch diameter submersible pump until temperature, pH, and <br /> West Sacramento conductivity readings stabilized and/or the water cleared of sediment The <br /> {{s <br /> ,�,. CA 95691 water samples were then collected using a new polyethylene disposable bailer <br /> Fax 916 372 2565 <br /> /r 916 372 1434 <br /> Recycled paper <br />