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WALLACE • KUHL <br /> &ASSOCIATES INC April 5, 1995 <br /> Mr Gary Weinberger <br /> JVM Associates <br /> 5601 W Mohave 'JJ <br /> Phoenix, Arizona 85031 1=NVti2ONVICN AI j�E_ALf <br /> PERM,ff/SER\7&3 <br /> QUARTERLY STATUS REPORT <br /> 781 SWIFT WAY <br /> Stockton, California 95206 <br /> WKA No 1735 02 <br /> Dear Mr Weinberger, <br /> As requested by the San Joaquin County Public Health Services, we are submitting <br /> this quarterly status report for the subject property, located at 781 Swift Way in <br /> Stockton, California (Plate 1) <br /> Ground water elevation measurements of the three existing monitoring wells (MW1 <br /> Brough MW3) and two new monitoring wells (MW4 and M5) were taken on <br /> MW <br /> GeotechntcalEngmeenng / <br /> March 21, 1995, historical ground water elevation data is provided in Table I <br /> Engineering Geology Based on previous ground water elevation measurements obtained December 9, 1994, <br /> the ground water flow direction has changed from a northwesterly direction to a <br /> Environmental Consulting southeasterly direction with a hydraulic gradient of 0 016 feet/foot (Plate 2) <br /> c � <br /> RemediationSetvices <br /> Ground water samples were also obtained from the five on-site monitoring wells on <br /> Construction Inspection <br /> March 21, 1995 Prior to sampling, the water level in each well was measured and <br /> s� <br /> Materials Testing checked for visual signs of free product using a clear bailer Approximately three to <br /> five well volumes of water were purged from each well using a two-inch diameter <br /> submersible pump until temperature, pH, and conductivity readings stabilized and/or <br /> the water cleared of sediment The water samples were then collected using a new <br /> < 3050 Industrial Blvd <br /> polyethylene disposable bailer Water from the disposable bailer was decanted into <br /> West Sacramento appropriate sample containers provided by the laboratory <br /> 4—k7- <br /> CA 95691 <br /> Fax 916 372 2565 <br /> 916 372 1434 <br /> Receded Paper <br />