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MMONITORING WELL LOG <br /> PROJECT NAME San Joaquin County Parking Garage LOG OF WELL MW-2 <br /> SITE ADDRESS 130 N Hunter Street BOREHOLE DIAM (in ) 8 <br /> Stockton,California WELL DIAM (in) 2 <br /> DATE STARTED July 11,2002 DRILLER/COMPANY Eddie Mitchell <br /> DATE COMPLETED July 11,2002 Mitchell Drilling(C-57#672617) <br /> DRILLING METHOD Hollow-stem Auger GEOLOGIST/ENGINEER Joseph Ramage,R G #5856 <br /> Spirt-spoon Sampler Ramage Environmental <br /> J <br /> N Co o_ <br /> �a2 <br /> Z h � J W VJ c 2 <br /> a <br /> 4 E 3 n U U it <br /> W (n m a U) z DESCRIPTION o <br /> 0 Concrete surface Hand dug first 5-feet 0 <br /> Started soil sampling at 10-feet <br /> ' S NA 5 <br /> 10 s 51 CL CLAY Dark brown dry,medium stiff,slight degraded 10 <br /> petroleum odor <br /> 1531 3,330 MW2-15 ML SILT Some clay, medium gray-brown,dry,very stiff, 15 <br /> strong petroleum odor <br /> 20 z9 4,390 MW2-20 (grades medium brown) 20 <br /> Static groundwater at 22 60 feet bgs on 7/24/02 <br /> 2518 3,920 MW2-25 (grades some clay,medium gray-brown,moist,stiff) 25 <br /> Encountered saturated soil at 29 0 feet bgs on 7/11/02 <br /> 30 s7 3,570 MW2-30 (grades moist to wet,very stiff) 30 <br /> 35 Mas 3 825 MW2-35 ML CLAYEY SILT Medium gray-brown moist to wet hard 35 <br /> strong petroleum odor <br /> . Terminated boring at 35 ft Installed 2-m diameter pvc monitoring well <br /> Well Screen(0 020-rn 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 40 <br /> Page 1 of 1 <br />