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�✓ `r✓ <br /> Wright Environmental Services, Inc., CA Exploratory Boring Log <br /> Project No.4509 BORING NO.MW-3 IDMng Method:8"Hollowstem Page 1 of 1 <br /> Logged by:CMP Date:Dec.11,2008 BOREHOLE COMPLETION: <br /> Client:City of Tracy tdMd Installed:2"dia.Sch.40 PVC <br /> Location:99 W.6th Street Total Depth:26.5' Casing Depth:25' <br /> Tracy,CA Scmen Length:15' Slot Size:0.020 <br /> Permit:SJC EHD 55561 Blank Length:10' Sand Pack:#3 <br /> Water Levels:1st Enc:14'@ 13:50 Static:no measurement Tap Sand Pack:8' Top Bentonite:6' <br /> y dad Seal:6'to surface Vault Box <br /> `c. <br /> Sample PIA slow E Well Detellf <br /> No. /OV Count y Depth t3tlw1OW I" Backfill <br /> i <br /> d <br /> : ML-Sandy Clayey SILT,brown 10YYR413.low oft0city,f.sand 25019, ^ " <br /> M <br /> massive,soft,damp. <br /> R <br /> t <br /> MW-3 0 push <br /> @ 5' SM-ML-Silty SAND to Sandy SILT,*am 0980k nonplastic fines up to 50%, <br /> vf.L sand up to 50%,massive,at*to tin t,fir` <br /> MW-3 <br /> 10 <br /> SM-Silty SAND,yellowish brown trioti tines 30%,vf.to f.sand <br /> 70%,massive,loose damp to nxft <br /> v <br /> MW-3 15 <br /> @ 16.5' 0 6 SM-SW-Silty SAND to SAND, w 8,nonplstic fines up to 20%, <br /> f.to crs.sand 80-90%,massive.Mita soMwelim vittins thin sandy clay <br /> inteibeds at 15-16 feet. <br /> MW-3 20 <br /> @ <br /> 21.5' 0 9 SP-SAND,brown 10YRM,norqft%we 1 smed.sand 95%,loose, <br /> saturated. <br /> 25 1 <br /> MW-3 0 6 SM-SC-Silly SAND to CLayey SPJCL yollowt v�101 514 to no <br /> @ 26.5plasticity,fines 30%,f.to med.sand AM loans NOV f Dlst t u <br /> Botlom <br /> clay piuq r <br /> od <br /> �o <br /> Reviewed by PG <br />