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MONITORING WELL LOG <br /> PROJECT NAME Sart Joaquin County Courthouse LOG OF WELL MW-1 <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 GEOLOGIST/ENGINEER Joseph Ramage R G #5856 <br /> Split-s oon Sampler Ramage Environmental <br /> J <br /> m m <br /> N B <br /> CL Lu, IX <br /> Ld U) <br /> Q a (J I— <br /> o ti m a [¢i) Z DESCRIPTION WQ <br /> 0 Asphalt surface Hand dug first 5-feet 0 <br />' S s <br /> 00 FILL FILL Aggregate base rock dry,loose,no petroleum odor 5 <br /> 1 106 00 CL CLAY Dark gray,moist,medium stiff,organic odor 10 <br /> Static groundwater at 14 35 feet bgs on 7124/02 <br /> 15 s 415 MW1-15 ML SANDY SILT Medium gray,moist,medium stiff, 15 <br /> moderate organic/petroleum odor <br /> Encountered saturated soil at 19 0 feet bgs on 7/13/02 <br /> 2013 398 MW1-20 SM SILTY SAND Silty fine,dark gray wet medium dense, 20 <br /> moderate organiclpetroleum odor <br /> 25 16 1 7 MW1-25 ML SILTY CLAY Medium gray,moist,very stiff,slight 25 <br /> 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 /> jCompleted well with expansion cap and flush-mount street box <br /> Page 1 of 1 <br /> M <br />