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s a <br /> %00 MONITORING WELL LOG <br /> PROJECT NAME: Agricultural Commissioner's Office,Tracy LOG OF WELL: MW-3 <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#720944) <br /> DRILLING METHOD: Hallow-Stem Auger GEOLOGISVENGINEER: Joseph Ramage, R.G.#5856 <br /> Split-Spoon Sampler Ramage Environmental <br /> OM o Y <br /> T w DESCRIPTION N <br /> J w <br /> = F tb aa a- m U) ~a a a U <br /> w P o <br /> o Q �, w <br /> Q U) m 0- U) Z <br /> WELL COMPLETION: Expansion Cap,Master Lock, <br /> 8-inch diameter street box(flush mount) <br /> 0 Asphalt(44n.thick)over aggregate base(64n.thick) <br /> 1 <br /> 1 <br /> 2 <br /> 2 <br /> 3 <br /> 3 <br /> 4 4 <br /> 5 5 6.4 CL SILTY CLAY: Minor Fine sand,light brown,dry-moist, 5 <br /> 6 medium stiff, no petroleum odor. 6 <br /> 7 <br /> 7 <br /> $ 8 <br /> 9 p Encountered saturated soil and groundwater at 10'bgs. 9 <br /> 10 n 7.3 (Static groundwater at 8.0'bgs after 15 minutes) 10 <br /> 11 11 <br /> 12 (grades some black organic stringers,more moist) 12 <br /> 13 i3 <br /> 14 <br /> 14 <br /> 15 7 11.9 15 <br /> 16 16 <br /> 17 SM SILTY SAND: Fine poorly-graded sand,clay pockets, 17 <br /> 18 grey-brown,wet, loose,no petroleum odor. 18 <br /> 19 <br /> 1s <br /> 20 ie 3.3 20 <br /> 21 <br /> 21 <br /> 22 <br /> 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 (Placed and hydrated bentonite chips and cement seal) 27 <br /> 2$ <br /> 28 <br /> 2 <br /> 29 9 <br /> 30 30 <br /> Page 1 of 1 <br />