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v MONITORING WELL LOG <br /> PROJECT NAME: San Joaquin County Courthouse LOG OF WELL: MW-3 <br /> SITE ADDRESS: 222 E.Weber Avenue BOREHOLE DIAM. (in.) 8 <br /> Stockton,California WELL DIAM. (in): 2 <br /> DATE STARTED: July 13, 2002 DRILLERICOMPANY: Eddie Mitchell <br /> DATE COMPLETED: July 13,2002 Mitchell Drilling(C-57#672617) <br /> DRILLING METHOD: Hollow-stem Auger GEOLOGISTlENGINEER: Joseph Ramage,R.G.#5856 <br /> Split-spoon Sampler Ramage Environmental <br /> a� <br /> y o y <br /> W -� 2 <br /> HW _ <br /> = E O <br /> fl N d C <br /> IL 3 � � v M 0 a <br /> cn opo a U) Z Z) rr DESCRIPTION p <br /> 0 Asphalt surface. Hand dug first 5-feet. 0 <br /> 5 ,go 0.1 CL CLAY: Dark brown,dry,stiff,no petroleum odor. 5 <br /> 10 15 0.0 CL SILTY CLAY: Medium orange-tan,dry,stiff, 10 <br /> no petroleum odor. <br /> 1512 0.0 ML CLAYEY SILT: Medium tan,dry,stiff,no petroleum odor. 15 <br /> 20 ,9 0.0 ML SILT: Some clay,medium tan,dry,very stiff, 20 <br /> no petroleum odor. <br /> 25 ;Z 0.0 MW3-25 (grades moist,stiff) 25 <br /> Static groundwater at 26.38 feet bgs on 7124/02 <br /> Encountered saturated soil at 30.0 feet bgs on 7/13/02 <br /> 30 15 0.0 MW3-30 SM SILTY SAND: Some clay, light beige-brown,wet,stiff, 30 <br /> no petroleum odor, <br /> 35 ;° 0.0 MW3-35 ML CLAYEY SILT: Light tan,moist,very stiff, no petroleum odor. 35 <br /> Terminated boring at 35 ft. Installed 2-in.diameter pvc monitoring well. <br /> Well Screen(0.020-in.slot)from 15 to 35 ft. Filter pack of#3 Sand from 13 to 35 ft. <br /> Hydrated bentonite chips from 11 to 13 ft. Neat cement from surface to 11 ft. <br /> 40 Completed well with expansion cap and flush-mount street box. P 40 <br /> Page 1 of 1 <br />