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Wright Environmental Services, Inc, Tracy, CA Exploratory Boring Log <br /> Proldct No 4529 SonnglWell No B-6 Well Installed No <br /> Client City of Tracy Date Dnlled Feb 10, 2003 Total Depth 21 ' <br /> Locabon 560 Tracy Blvd , Tracy, CA Logger CMP Cement Grout Seal 21 ' to surface <br /> Drilling Method 3" OD GeoProbe <br /> Permit PHS END 32664 <br /> Water Levels 1st Enc 13'±Static 14 Q 15 45 <br /> Sample Blow 2 Depth <br /> No PID Count ra (ft} Lithology Log Borehole <br /> W Completion <br /> (ppm) Asphalt pavement 77 <br /> ML- Sandy SILT, yellowish brown 10YR5/4, slightly plastic, f -med <br /> sand 40%, crudely bedded, firm, damp AA"A <br /> AA" <br /> aa1 hAAA <br /> 0 pus 5 Same as above, firm, damp <br /> A A <br /> "AA <br /> AA <br /> AA"A <br /> all' 0 pus 10 CL-Silty CLAY, yellowish brown 10YR5/4, low plasticity, massive, <br /> Wi no sand, firm, damp, increasing moisture at 11 feet, contains <br /> sandy lenses at 10 feet <br /> A <br /> 13-6-3 <br /> AAA <br /> "AA <br /> h" <br /> A" <br /> 2 pus 15 SP- SAND, yellowish brown 10YR5/4, fines<5%, f sand 95%, <br /> massive to faint bedding, loose, saturated A"A" <br /> Driller calls change at 17 5-18 feet <br /> AAA <br /> CL- Silty CLAY, yellowish brown 10YR5/4, low plasticity, no sand, <br /> @21 0 pus 20 massive, stiff, damp hen <br /> A n <br /> Bottom of Boring = 21 feet <br /> -H i <br /> Reviewed by RG/CEG <br /> S <br />