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Wright Environmental Services. �., Tracy, CA <br /> ' <br /> 4Exploratory Boring Log <br /> Project No. 4529 Boring/Well No. B <br /> Client: City of Tracy Date Drilled: Feb. 10, 2003 Wel! Installed: No <br /> Location: 560 Tracy Blvd., Tracy, CA Logger CMP <br /> Total Depth: 21 ' <br /> Drilling Method: 3" OD GeoProbe Cement Grout Seal: 21 'to surface <br /> Permit: PHS EHD 32664 <br /> Water Levels. 1 st Enc: 13`±Static: 14 @ 15:45 <br /> Sample Blow °' Depth <br /> No. PID Count 9. ift1 Lithology Log Borehole <br /> Completion <br /> (ppm Asphalt pavement <br /> F^F <br /> ML-Sandy SILT, yellowish brown 10YR5/4, slightly plastic, f. -med. F"F <br /> sand 40%, crudely bedded, firm, damp, <br /> FFF <br /> 0 pus 5 Same as above, firm, damp. F F^ <br /> F^ <br /> FF <br /> FF <br /> F" <br /> M F <br /> all' D push10 CL-Silty CLAY, yellowish brown 10YR514, low plasticity, massive, ^�^ <br /> no sand, firm, damp; increasing moisture at 11 feet, contains <br /> sandy lenses at 10 feet. <br /> F"F <br /> F"F <br /> FFF <br /> B.fr3 2 pus <br /> 15 SP- SAND, yellowish brown 10YR5/4, fines<5%, L sand 95%, <br /> massive to faint bedding, loose, saturated <br /> FFF <br /> Driller calls change at 17.5-18 feet. F"^" <br /> F" <br /> CL- Silty CLAY, yellowish brown 10YR5/4, low plasticity, no sand, F"F^ <br /> B-64 0 pus 20 massive, stiff, damp. <br /> F F <br /> Bottom of Boring = 21 feet. <br /> �.r <br /> Reviewed by RG/CEG <br />