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' MONITORING WELL LOG <br />' PROJECT NAME San Joaquin County Courthouse LOG OF WELL MW-1 <br /> SITE ADDRESS 222 E Weber Avenue BOREHOLE DIAM (in ) 8 <br /> Stockton Caldomia 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-s oon Sampler Ramage Environmental <br /> J <br /> I m o <br /> i1! uj <br /> F- m m a d m O F=- <br /> 4. a 4� U O_ <br /> E <br /> a Mn m a cQi� z DESCRIPTION o <br /> 0 Asphalt surface Hand dug first 5-feet 0 <br />' 5 5 00 FILL FILL Aggregate base rock,dry,loose,no petroleum odor 5 <br />' 10 s 0 0 CL CLAY Dark gray moist medium stiff,organic odor 10 <br /> MStatic groundwater at 14 35 feet bgs on 7/24/02 <br />' 15 a 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 /> 20 i3 398 MW1-20 SM SILTY SAND Silty fine,dark gray wet medium dense, 20 <br /> moderate organic/petroleum odor <br /> 25 18 17 MWi-25 ML SILTY CLAY Medium gray,moist very stiff,slight 25 <br /> organic/petroleum odor <br /> t 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 /> Completed well with expansion cap and flush-mount street box <br /> Page 1 of 1 <br />