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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 GEOLOGISTIENGINEER Joseph Ramage, R G #5856 <br /> Split-spoon Sampler Ramage Environmental <br /> a� m o m <br /> CL �' r LL <br /> = H43 <br /> J <br /> E W c <br /> 00 (A o <br /> w 9 o a 2 2 U U <br /> In cn m a u z D DESCRIPTION p <br /> 0 Asphalt surface Hand dug first 5-feet 0 <br /> 5 10 01 GL CLAY Dark brown,dry,stiff, no petroleum odor 5 <br /> 10 15 00 CL SILTY CLAY Medium orange-tan,dry,stiff, 10 <br /> no petroleum odor <br /> 15 72 0 0 ML CLAYEY SILT Medium tan,dry,stiff no petroleum odor 15 <br /> 2012 00 ML SILT Some clay,medium tan,dry,very stiff, 20 <br /> no petroleum odor <br /> 1 <br /> 25 12 00 MW3-25 (grades moist stiff) 25 <br /> Static groundwater at 26 38 feet bgs on 7124102 <br /> Encountered saturated soil at 30 0 feet bgs on 7113102 <br /> 30 75 00 MW3-30 SM SILTY SAND Some clay,light beige-brown,wet,stiff 30 <br /> no petroleum odor <br /> 352e 00 MW3-35 ML CLAYEY SILT Light tan,moist,very stiff, no petroleum odor 35 <br /> Terminated boring at 35 ft Installed 2-m 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 1 i 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 /> I <br />