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MONITORING WELL LOG <br /> lie PROJECT NAME Agricultural Commissioners Office,Tracy LOG OF WELL MW-2 <br /> SITE ADDRESS 503 East 10th Street TOTAL DEPTH (ft) 20 <br /> Tracy, California WELL DIAM (in) 2 <br /> DATE STARTED 10/29/1998 DRILLER/COMPANY Frank Ramirez <br /> DATE COMPLETED 10/29/1998 V&W Drilling (C-57#720904) <br /> DRILLING METHOD Hollow-Stem Auger GEOLOGIST/ENGINEER Joseph Ramage, R G #5856 <br /> Split-Spoon Sampler Ramage Environmental <br /> J <br /> O <br /> aa) m o <br /> a) U <br /> w DESCRIPTION N <br /> r _j w U)EO s <br /> CL :g v 2 as <br /> W E o o ¢ cn °1 <br /> D in m a u7 Z n <br /> WELL COMPLETION Expansion Cap, Master Lock <br /> 8-inch diameter street box(flush mount) <br /> 0 Asphalt(4-En thick)over aggregate base(6-in thick) 0 <br /> 1 1 <br /> 2 ) 2 <br /> 3 3 <br /> 4 4 <br /> 5 t0 5 <br /> 13 6 CL SILTY CLAY Grey-brown, moist,stiff petroleum odor <br /> 10 6 6 <br /> 7 7 <br /> 8 8 <br /> 9 Encountered saturated sod and groundwater at 10'bgs 9 <br /> 190 s 2 1 (Static groundwater at 7 85'bgs after 15 minutes) 10 <br /> 11 11 <br /> 12 ML CLAYEY SILT Some fine sand black organic stringers 12 <br /> 13 light brown, moist-wet medium stiff, petroleum odor 13 <br /> 14 14 <br /> 15 a 09 <br /> 16 16 <br /> 17 SM SILTY SAND Fine poorly-graded sand <10%clay, 17 <br /> 18 light brown,wet, loose, no petroleum odor 18 <br /> 19 19 <br /> 2020 <br /> 21 CL SILTY CLAY minor fine sand, light brown,moist, 21 <br /> 22 stiff no petroleum odor 22 <br /> 23 23 <br /> 24 Terminated boring at 20 feet and installed monitoring well 24 <br /> 25 (Sch 40 pvc,0 010-in slot,#3 silica sand) 25 <br /> 26 Surged 10 minutes and purged 10 gallons 26 <br /> 27 27 <br /> (Placed and hydrated bentonite chips and cement seal} <br /> 28 28 <br /> 29 29 <br /> 30 30 <br /> Page 1 of 1 <br />