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f <br /> WALLACE - KUHL <br /> &ASSOCIATES INC <br /> October 20, 1994 �; , Q C T 7 P,"I 1 t}5 <br /> Mr Hop Essick <br /> P O Box 151 <br /> Stockton, California 95201 <br /> QUARTERLY STATUS REPORT <br /> GRANITE CONSTRUCTION FACILITY <br /> 10500 South Harlan Road <br /> French Camp, California 95231 <br /> WKA No 2088 05 <br /> Dear Mr Essick, <br /> As required by the San Joaquin County Public Health Services, we are submitting <br /> this quarterly status report for the subject property located a 10500 South Harlan <br /> w <br /> Road in French Camp, California (Plate 1) <br /> The most recent ground water elevation measurements of the six monitoring wells <br /> r Geotechnical Engineering (MW1 through MW6) were obtained on October 7, 1994, historic ground water <br /> Engineering Geology elevation data is provided in Table 1 Based on current ground water elevation <br /> measurements, the ground water flow direction beneath the subject property is <br /> I rd Environmental Consulting northwesterly with a hydraulic gradient of 0 0035 feet/foot (PIate 2) <br /> \ Remediation Services <br /> Ground water samples were also obtained from the six on-site monitoring wells on <br /> Construction Inspection <br /> October 7, 1994 Prior to sampling, each well was checked for visual signs of free <br /> Materials Testing product using a clear bailer Approximately three to five well volumes of water were <br /> purged from each well using a two-inch submersible pump until temperature, pH, <br /> f <br /> i and conductivity readings stabilized and/or the water cleared of sediment The water <br /> samples were then collected using a new polyethylene disposable bailer Water from <br /> 3050 Industrial Blvd <br /> the disposable bailer was decanted into appropriate sample containers provided by the <br /> West Sacramento laboratory <br /> CA 95691 <br /> Fax 916 372 2565 <br /> ✓ 916 372 1434 <br /> Recycled pap f 1 <br />