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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#720904) <br /> DRILLING METHOD: Hollow-Stem Auger GEOLOGISTIENGINEER: Joseph Ramage, R.G.#5856 <br /> Split-Spoon Sampler Ramage Environmental <br /> J <br /> Qat m O NCD <br /> z � DESCRIPTION 2 y <br /> m �e n tl m o Z <br /> a- a n U U <br /> _ 0 <br /> ❑ in m a U) 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(64n.thick) 0 <br /> 1 i <br /> 2 2 <br /> 3 3 <br /> 4 4 <br /> 55.4 CL SILTY CLAY: Minor fine sand, light brown,dry-moist, 5 <br /> 6 medium stiff,no petroleum odor. 6 <br /> 7 7 <br /> 8 8 <br /> 9 p Encountered saturated soil and groundwater at 10'bgs. 9 <br /> 10 (Static groundwater at 8.0'bgs after 15 minutes) 10 <br /> �0 7.3 <br /> 11 11 <br /> 12 (grades some black organic stringers,more moist) 12 <br /> 13 13 <br /> 14 14 <br /> 15 ; 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 19 <br /> 20 18 3.3 20 <br /> 21 21 <br /> 22 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 /> 28 28 <br /> 29 29 <br /> 30 30 <br /> Page 1 of 1 <br />