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Wright Environmental Services, Tracy, CA Exploratory Boring Log <br /> Project No.4509-T Boring/Well No. B-2 Well Installed: No <br /> Client:City of Tracy Date Drilled: Feb.5,2003 Total Depth: <br /> Location: Delta Disposal 99 6th Street,Tracy Logger:CMP Cement Grout Seal:26'to Surface <br /> Drilling Method:3"OD GeoProbe <br /> Permit: PHS EHD#32661 <br /> Water Levels: 1st Enc: 15.5'@ 11:05 Static:NM <br /> Sample Push a Depth p Borehole <br /> No. PID cn (ft) Lithology Log Completion <br /> Asphalt Pavement <br /> ML-Sandy SILT, brown 10YR5/3,nonplastic,f.sand 15%, massive, <br /> firm,damp. <br /> B-2-1 27 5 Same as above,weak odor at 6 feet,firm,damp. <br /> @6' <br /> B-2-2 140 10 CL-Silt CLAY with sand,stained gray, low plasticity, massive, <br /> X11• Y 9 Y. P tY. <br /> stiff,damp. <br /> B-2-3 <br /> r�1s' 43 15 SW-SAND,stained gray,weak odor,fines<5%,f.-crs.sand 95%, <br /> massive,dense,saturated at 15-16 feet. <br /> B-2-4 <br /> @21• 0 20 Same as above,becomes very crs.with fine gravel,no odor or <br /> stain,fines<5%,very dense saturated. <br /> B-2-51-25 1 SC-Clayey SAND,dark yellowish brown 10YR4/4,slightly plastic, <br /> @zs 0 f.sand 10-15%, massive,stiff,damp to very moist. <br /> Bottom of boring=26 feet <br /> Reviewed by RG/CEG <br />