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Wright Environmental Services, Inc., Tracy, CA Exploratory Boring Log <br /> Project No 4184 1 Boring/Well No B-6 Well Installed No <br /> Client Tracy Auto Stereo Date Drilled 3113/00 Total Depth 22' <br />,. Location Granthne 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 1 st Enc 10' Static 4 72 @ 09 41 <br /> Sample Blow a Depth Borehole <br /> No OV Count E (ft) Lnthology Log Completion <br /> Concrete Pavement <br /> a� <br /> CL - Silty CLAY, dark brown 10Yr3/3, low plasticity, v d <br /> sand 5-10% dissem , massive, very weak petroleum odor, <br /> stiff, damp <br /> 86 1 i No odor below 3 feet <br /> CL - Sandy CLAY, dark brown 10YR3/3, low plasticity, <br /> f sand 30% dissem , massive, firm, moist <br /> B 6-2 SP - SAND, stained gray, f med sand 85-95%, fines 5-10%, <br /> 010 - push massive, saturated by 10 feet <br /> 10 <br /> Lost i n of sample—overdriven for recovery <br /> •A• <br /> B 6 3 _ push 15 SM-ML - Silty SAND to Sandy SILT, olive brown 2 5Y4/4, varies . <br /> 016 <br /> f sand 40-60%, silty 40-60%, massive to crudely bedded, no <br /> stain or odor, soft to loose, saturated, becomes bedded to <br /> laminated at 16-16 5 <br /> 20 <br /> B-6 4 <br /> 020 - push ML - Sandy SILT, yellowish brown 10YR5/8, nonplastic, <br /> f sand 30-40%, contains thin sand interbeds, firm to hard, <br /> damp to moist, driller calls refusal at 22 feet <br /> Bottom of Boring = 22 feet <br /> Reviewed by RG/CEG <br />