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6.0 <br /> 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 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 /> C ^ <br /> CL u.tLY J 2 LL <br /> H _f LLL <br /> QL V) q al m (n m p <br /> 0 m m a U ) Z D DESCRIPTION p <br /> 4 0 Asphalt surface. Hand dug first 5-feet. 0 <br /> V <br /> 5 0 0.1 CL CLAY: Dark brown,dry,stiff, no petroleum odor. 5 <br /> 10 1$ 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 /> 6-0 <br /> 20 1; 0.0 ML SILT: Some clay,medium tan,dry,very stiff, 20 <br /> +..r <br /> no petroleum odor. <br /> 25 10 0.0 MW3-25 (grades moist, stiff) 25 <br /> Static groundwater at 26.38 feet bgs on 7/24/02 <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 /> W no petroleum odor. <br /> ..r 35 21 &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 1 11 11 11 Completed well with expansion cap and flush-mount street box. P 40 <br /> ._, Page 1 of 1 <br />