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Wright Environmental Services, Inc , Tracy, CA Exploratory Boring Log <br /> Project No 4184 1 Boring/Well No B-4 Well Installed No <br /> Klient Tracy Auto Stereo Date Drilled 3113/00 Total Depth 22' <br /> ocation Grantlme at Holly, Tracy, CA Logger CMP Cement Grout Seal 22' to surface <br /> Drilling Method 3" OD Push Casing <br /> Permit PHS EHD 21754 <br /> Water Levels 1st Enc 8' Static No measurement <br /> Sample Blow a Depth Borehole <br /> No OV Count m (ft) Lithology Log Completion <br /> rnA <br /> CL- Silty CLAY, dark brown 10YR5/3, low plasticity, v f <br /> o, sand <5%, stiff, damp <br /> m <br /> c <br /> B 4 1 CO <br /> es - 5 Same as above, stiff, damp <br /> Driller calls change at 7 to 8 feet <br /> 4 - push SP - SAND, yellowish brown 10YR5/8, f med sand 95%, ^ ^+ <br /> 10 fines 5%, med dense, saturated <br /> I <br /> h• <br /> ;s - push 15 ML - Sandy SILT, yellowish brown 10 YR 5/8, shows slight A.^. <br /> plasticity, v f sand 10-20% dissem , stiff, damp <br /> Driller calls very hard at 19 feet <br /> 2 <br /> e-44 push lost sample, shoe filled only 2 inches <br /> 022 - ML - Sandy SILT, yellowish brown 10YR5/8, f med sand 40%, <br /> massive to crudley bedded, rare crs sand 1%, grains float in <br /> matrix, stiff, damp <br /> Bottom of Boring = 22 feet, <br /> water enters borehole slowly <br /> Reviewed by RG/CEG <br />