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MONITORING WELL LOG <br /> PROJECT NAME: San Joaquin County Courthouse LOG OF WELL: MW-2 <br /> SJTEADDRESS: 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 /> (D c <br /> � o <br /> m <br /> a <br /> UJ J 2 !E <br /> FE UJ <br /> F— N a 2 m V) 00 c 2 <br /> 13- a 3 a U � U d <br /> 0 ( n m a U) z D U) DESCRIPTION " Q <br /> 0 Asphalt surface. Hand dug first 5-feet. 0 <br /> 5 s 0.0 ML SILT: Medium tan,dry,medium stiff,no petroleum odor. 5 <br /> 10 ; 0.0 CL CLAY: Minor silt,medium brown,moist,medium stiff, 10 <br /> no petroleum odor. <br /> Static groundwater at 14.67 feet bgs on 7124/02 <br /> 15 9 0.0 MW2-15 (grades medium gray-brown,stiff) 15 <br /> Encountered saturated soil at 19.0 feet bgs on 7/13102 <br /> 20 a 0.2 MW2-20 CL SILTY CLAY: Medium gray, moist to wet, medium stiff, 20 <br /> no organicipetroleum odor. <br /> 25 1e 0.6 MW2-25 ML CLAYEY SILT: Medium gray, moist to wet,very stiff, 25 <br /> slight organic/petroleum odor. <br /> 30 30 <br /> Terminated boring at 25 feet.Installed 2-inch diameter pvc monitoring well. <br /> Well Screen(0.020-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 /> Compfeted well with expansion cap and flush-mount street box. <br /> Page 1 of 1 <br />