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Project: Deuel Vocational Institute-Sewer Plant Log of Monitoring Well: <br /> Location: 23500 Kesson Road,Tracy,CA Project Number: 17326382 MW-23R-SP <br /> Dates Drilled: 4/19/11 Total Depth: 21 ft Borehole Name: <br /> rifling Contractor: Woodward Well Construction Date: 4/19/11 Logged By: Vernon Rlarth,P.G. <br /> orehole Diameter: 8 in Casing Diameter: 2 in Casing Type: SCH 40 PVC Checked By: Chani Leimbach <br /> rilling Method: HSA Screen Interval: 6-21 ft Slot Size: 0.020-inch Sampling Method: cuttings <br /> omments: Replacement well of MW-23-SP;Survey data:37.7511450,-121.3307415 <br /> vat a E 3 5 0 <br /> LITHOLOGY DESCRIPTION WELL CONSTRUCTION <br /> 0 Fill Well soured with a pressure 0 <br /> locking cap within an <br /> Sandy Clay(CL). Lightolive brown(2.5Y 5/3),10%very fine aboveground monument <br /> m fine grained sand,medium plasticity,very stiff,moist,mottled Cement <br /> with iron oxide staining. Near surface to 3.25 it bgs <br /> Bentonite chips <br /> 3.25-4.25 it hits <br /> 00/30 Transition Sand <br /> `j 4.25-5 it bgs <br /> 5 5 <br /> #3 Sand filter pack <br /> 5-21 it bgs <br /> 2-inch SCH 40 PVC Screen <br /> 6-21 ftbgs <br /> 10 10 <br /> Sand(SP). Light olive brown(2.5Y 5/3),fine to medium <br /> grained sand,rounded grains,medium dense,saturated. <br /> 15-- <br /> i Sand(SW). Light olive brown(2.5Y 5/3),very fine to comae 15 <br /> grained sand,well graded,70%quarts,10%feldspar,15%mica, <br /> trace silt,saturated. <br /> N.ed°e <br /> e�ae' aa'�e <br /> 20 °ad°'ad°e <br /> 20 <br /> 2B]0mia,CA <br /> 13 Sic 30 <br /> 2870 Gums,mq CA 9s UJ <br /> 916-6795000 <br />