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MONITORING WELL LOG <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 10129/1998 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 /> O =_ <br /> ai m a) <br /> U_ 2 2 <br /> _ DESCRIPTION <br /> E W2 is Q CL COm U7 0 H <br /> a a <br /> WM o ❑ ¢ cii p <br /> D U) 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(6-in thick) 0 <br /> 1 1 <br /> 2 2 <br /> 3 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 <br /> 10 e 9 7 Encountered saturated soil and groundwater at 11'bgs 10 <br /> 11 (Static groundwater at 8 7 bgs after 15 minutes) 11 <br /> 12 12 <br /> 13 13 <br /> 14 14 <br /> 15 a <br /> 44 SM SILTY SAND Fine poorly-graded sand <10%clay, 1 <br /> 16 light brown,wet loose, no petroleum odor 16 <br /> 17 17 <br /> 18 18 <br /> 19 19 <br /> 20p 91 20 <br /> 21 21 <br /> 22 'Terminated boring at 20 feet and installed monitoring well 22 <br /> 2323 <br /> (Sch 40 pvc 0 010-in slot #3 silica sand) <br /> 24 Surged 10 minutes and purged 10 gallons 24 <br /> 26 (Placed and hydrated bentonite chips and cement seal) 25 <br /> 26 26 <br /> 27 27 <br /> 28 28 <br /> 29 29 <br /> 30 30 <br /> Page 1 of 1 <br />