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MONITORING WELL LOG %WOI <br /> PROJECT NAME: San Joaquin County Courthouse LOG OF WELL: MW-1 <br /> SITE ADDRESS: 222 E Weber Avenue BOREHOLE DIAM. (in.) 8 <br /> Stockton,California WELL DIAM. (in): 2 <br /> DATE STARTED: July 13,2002 DRILLER/COMPANY: Eddie Mitchell <br /> DATE COMPLETED: July 13, 2002 Mitchell Drilling(C-57#672617) <br /> DRILLING METHOD: Hollow-stem Auger GEOLOGIST/ENGINEER: Joseph Ramage, R.G.#5856 <br /> Split-spoon Sampler Ramage Environmental <br /> N c <br /> (DO 43 <br /> Ev mCL <br /> N <br /> _ tY J <br /> ~ E W LU O .� <br /> a <br /> CL <br /> o Cn m 0- z � c i DESCRIPTION <br /> 0 Asphalt surface. Hand dug first 5-feet. 0 <br /> 5 5 0.0 FILL FILL: Aggregate base rock,dry, loose, no petroleum odor. 5 <br /> 10 s 0.0 CL CLAY: Dark gray,moist,medium stiff,organic odor. 10 <br /> Static groundwater at 14.35 feet bgs on 7/24/02 <br /> 15 s 41.5 MW1-15 ML SANDY SILT: Medium gray,moist, medium stiff, 15 <br /> moderate organic/petroleum odor. <br /> Encountered saturated soil at 19.0 feet bgs on 7/13/02 <br /> 20 „ 39.8 MW1-20 SM SILTY SAND: Silty fine,dark gray,wet,medium dense, 20 <br /> moderate organic/petroleum odor. <br /> 25 s 1.7 MW1-25 ML SILTY CLAY: Medium gray,moist,very stiff,slight 25 <br /> organic/petroleum odor. <br /> 30 30 <br /> Terminated boring at 25 feet.Installed 2-inch diameter pvc monitoring well. <br /> Well Screen(0.920-inch slot)from 5 to 25 feet. <br /> 35 Filter pack of#3 Sand from 4 to 25 feet. 35 <br /> Hydrated bentonite chips from 2 to 4 feet. <br /> Neat cement from surface to 2 feet. <br /> Completed well with expansion cap and flush-mount street box. <br /> Page I of f <br />