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Wright Environmental Services, Tracy, CA Exploratory Boring Log <br /> Prpject No 4183 BonnglWell No B-4 Well Installed No <br /> Client City of Tracy Date Drilled Feb 6, 2003 Total Depth 26' <br /> Location Cage n Play 68 E 11th St , Tracy Logger CMP Cement Grout Seal 26'to Surface <br /> Dnlling Method 3"OD GeoProbe <br /> Permit. PHS EHO#32662 <br /> Water Levels 1 st Enc 12' @ 09 20 Static 9 0'@ 10 21 <br /> Sample Push °i Depth Borehole <br /> No PID (ft) Lithology Log Completion <br /> w +• <br /> Asphalt pavement ww^� <br /> CL- Sandy CLAY, dark yellowish brown 10YR4/4, low plasticity, whn� <br /> f sand 20%, rare crs sand, stiff, damp Aw Aw <br /> AA <br /> B4V 0 5 Same as above, stiff, damp <br /> www, <br /> ,.Aw <br /> nw <br /> wwi.A <br /> w w <br /> �AwA <br /> ,nil 0 10 CI_-Silty CLAY, Clark yellowish brown 10YR4/4, low plasticity, stiff <br /> damp, saturated about 12 feet <br /> ~w�h <br /> �A <br /> wwww <br /> wAh <br /> ww w <br /> wAwA <br /> eB.aa 0 15 ^w <br /> SW- SAND, vangated, fines <55, f - crs sand 95%, massive, ^n"� <br /> saturated, becomes crser 15-16 feet <br /> Flowing at 16 feet ��ww <br /> ..^w <br /> www <br /> AAw <br /> �Jw <br /> 1 0 20 Same as above, 95% f sand, loose, saturated, flowing42 <br /> "w"h <br /> ww w <br /> h�Fw <br /> F A <br /> w A <br /> A <br /> Ah <br /> wwn� <br /> 0 25 CI_- Silty CLAY, brown 10YR514, low plasticity, f sand 10%, w�^ <br /> stiff, dam <br /> Bottom of Boring = 26 feet <br /> Reviewed by RG/CEG <br />