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MONITORING WELL LOG <br /> lie 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 10129/1998 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 /> m <br /> � U � <br /> CL >_ DESCRIPTION E <br /> co <br /> c = <br /> m a Q ill U ~ <br /> d n y g U — 0. <br /> W tu o ❑ Q � (n 67 0 <br /> ❑ rn m a cA Z D <br /> WELL COMPLETION Expansion Cap, Master Lock, <br /> 8-inch diameter street box(flush mount) <br /> 0 Asphalt(4-m thick)over aggregate base(6-in thick) 0 <br /> 1 1 <br /> 2 2 <br /> 3 3 <br /> 4 4 <br /> 5 5 54 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 7 Encountered saturated sod and groundwater at 10'bgs <br /> 10a (Static groundwater at 8 0'bgs after 15 minutes) 10 <br /> io 73 <br /> 11 11 <br /> 12 (grades some black organic stringers, more moist) 12 _ <br /> 13 13 <br /> 14 14 <br /> 15T 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 /> j 19 19 <br /> 20 ,0 33 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 /> 2626 <br /> Surged 10 minutes and purged 10 gallons <br /> 2727 <br /> (Placed and hydrated bentande chips and cement seal) <br /> 28 28 <br /> 29L -A 29 <br /> 30 30 <br /> Page 1 of 1 <br />