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e <br /> WALLACE - KUHL <br /> Er ASSOCIATES INC. <br /> August 18, 1994 <br /> Mr Barbara Jean Drake <br /> 8315 Arroyo Way <br /> Stockton, California 95209 <br /> QUARTERLY STATUS REPORT <br /> 26485 THORNTON ROAD <br /> Thornton, California 95209 <br /> WKA No 2556 02 <br /> Dear Mrs Drake, <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 <br /> 26485 Thornton Road in Thornton, California (Plate 1) <br /> The most recent ground water elevation measurements of the three monitoring <br /> t <br /> wells (MW1-MW3) took place on May 16, 1994, historical ground water <br /> I - Geotechnical Engineering elevation data is provided in Table 1 A survey of the three existing wells has <br /> not been completed As a result, no ground water flow direction has been <br /> f Engineering Geology <br /> f <br /> calculated for the site <br /> f Environmental Consulting <br /> Remediation Serve4es Ground water samples were also obtained from the three on-site monitoring <br /> wells on May 16, 1994 Prior to sampling, the water level in each well was <br /> Construction Inspection measured and checked for visual signs of free product using a clear bailer <br /> ` <br /> Materials Testing Approximately three to five well volumes of water were purged from each <br /> r } <br /> well using a three-inch diameter submersible pump until temperature, pH, and <br /> conductivity readings stabilized and/or the water cleared of sediment The <br /> water samples were then collected using a new polyethylene disposable bailer <br /> 3050 Indusrr[al Blvd Water from the disposable bailer was decanted into appropriate sample <br /> West Sacramento containers provided by the laboratory <br /> t ' CA 95691 <br /> ' Fax 916 372 2565 <br /> 0 <br /> E 916 372 1434 <br /> Recycled paper <br />