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MONITORING WELL LOG NOW <br /> PROJECT NAME: Agricultural Commissioner's Office,Tracy LOG OF WELL: MW-1 <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 /> O <br /> cp s a� <br /> W w DESCRIPTION c <br /> a0- m <br /> CL <br /> _ a <br /> Lu cc o Q O <br /> m a V7 Z <br /> WELL COMPLETION: Expansion Cap,Master Lock, <br /> 8-inch diameter street box(flush mount) <br /> 0 Asphalt(4-in.thick)over aggregate base(6-in.thick) 0 <br /> 1 1 <br /> 2 <br /> 2 <br /> 3 <br /> 3 <br /> 4 4 <br /> 5 z 8 CL SILTY CLAY: Minor fine sand,light brown, moist, 5 <br /> 6 soft,slight petroleum odor, 6 <br /> 7 7 <br /> 8 8 <br /> 9 9 <br /> 10 a 9.7 V Encountered saturated soil and groundwater at 11'bgs. 10 <br /> 11 (Static groundwater at 87 bgs after 15 minutes) 11 <br /> 12 12 <br /> 13 <br /> 13 <br /> 14 <br /> 14 <br /> 15 4 4.4 SM SILTY SAND: Fine poorly-graded sand,<10%clay, 15 <br /> 16 light brown,wet, loose,no petroleum odor. 16 <br /> 17 <br /> 17 <br /> 18 <br /> 18 <br /> 19 <br /> 19 <br /> 20 1280 9.1 20 <br /> 21 <br /> 21 <br /> 22 Terminated boring at 20 feet and installed monitoring well 22 <br /> 23 (Sch 40 pvc,0.010-in slot,#3 silica sand) 23 <br /> 24 Surged 10 minutes and purged 10 gallons 24 <br /> 25 (Placed and hydrated bentonite chips and cement seal) 25 <br /> 26 <br /> 26 <br /> 27 <br /> 27 <br /> 28 <br /> 28 <br /> 29 <br /> 29 <br /> 30 <br /> 30 <br /> Page 1 of 1 <br />