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Wright Environmental Services, Tracy, CA 'xploratory Boring Log <br /> Project No. 4509-T Boring/Well N%w B-1 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 <br /> Drilling Method: 3" OD GeoProbe Cement Grout Seal: 25 'to Surface <br /> Permit: PHS EHD#32661 <br /> Water Levels: 1st Enc: 16' c 09:18 Static: NM <br /> Sample Push a Depth <br /> No. PID M (ft) Lithology Log Borehole <br /> Completion <br /> Asphalt Pavement <br /> ML-Sandy SILT, brown 10YR5/4, nonplastic, massive, firm, damp. "^"^ <br /> " A <br /> rM <br /> B-1-1A " <br /> Oe 0 5 Same as above, firm, damp. ^"^" <br /> B-1-2 <br /> 0 10 CL-Sandy CLAY, brown 10YR4/3, low plasticity, f. sand 30%, <br /> crudely bedded, stiff, damp. <br /> pis 0 15 SW- SAND, varigated, fines <5%, f. - crs. sand 95%, massive, <br /> med. dense, saturated by 16 feet. Borehole caves to 15 feet after <br /> poush to 16 feet. <br /> 6-14 <br /> �2 0 20 CL- Sandy CLAY, dark yellowish brown 10YR4/4, low plasticity, <br /> f. sand 40%, locally up to 60%, stiff, saturated; increasing clay <br /> to 21 feet. <br /> &1-5 <br /> 0 Same as above, f. sand 40%, massive saturated at 25 feet. <br /> 25 <br /> Bottom of Boring = 25 feet <br /> �� Reviewed by RG/CEG I <br />