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MONITORING WELL LOG <br /> PROJECT NAME: Agricultural Commissioner's 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 GEOLOGISVENGINEER: Joseph Ramage, R.G.#5856 <br /> Split-Spoon Sampler Ramage Environmental <br /> J <br /> _ Q a <br /> a) LD <br /> CD <br /> DESCRIPTION �- <br /> a lu co c 2 <br /> m co a d CO U) U � <br /> IL C1. Zi S <br /> a �E; U - <br /> W o ❑ Q D U] °' WO <br /> ❑ �, m a cn z I ❑ <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 2 <br /> 3 3 <br /> 4 4 <br /> 5 a 13.6 CL SILTY CLAY: Grey-brown,moist, stiff, petroleum odor. 5 <br /> 6 6 <br /> 7 7 <br /> 8 8 <br /> 9 p Encountered saturated soil and groundwater at 10'bgs. 9 <br /> 10 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 <br /> 15 <br /> 6 0.9 <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 /> 20 1.8 20 <br /> 21 CL SILTY CLAY: Minor fine sand, light brown, moist, 2t <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 (Placed and hydrated bentonite chips and cement seal) 27 <br /> 28 28 <br /> 29 29 <br /> 30 30 <br /> Page 1 of 1 <br />