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Wright Environmental Services, Inc., Tracy, CA Exploratory Boring Log <br /> Project No 4184 1 Boring/Well No B-1 Well Installed No <br /> Client Tracy Auto Stereo Date Drilled 3113/00 Total Depth 20' <br /> ocation Grantline at Holly, Tracy, CA Logger CMP Cement Grout Seal 20' to surface <br /> Drilling Method 3" OD Push Casing <br /> Permit: PHS EHD 21754 <br /> Water Levels 1st Enc 9' 0 14 55 Static 10 76 015 25 <br /> Sample a Depth Borehole <br /> No OV Push m (ft) Lithology Log Completion <br /> o Concrete Pavement <br /> m <br /> tffEBACKFILL - Class It Silty SAND with gravel, artificial fill in <br /> M ormer UST pat, dense, very moist <br /> c <br /> 05 - <br /> Pushes easy 7 to 8 feet <br /> ®1o - push A• <br /> 10 SP - SAND stained gray, f sand 95%, massive, petroleum <br /> odor, massive, med dense, saturated below 9 feet <br /> Driller calls harder at 12 feet <br /> ML - Sandy SILT, yellowish brown 10YR5/8, silt 80%, v f <br /> 1 3 push is sand 20% dissem , contains 0 5-2 foot thick sand interbeds, <br /> 76 saturated, no stain or odor <br /> Driller calls flow and possible heaving sand at 19 feet, shoe <br /> 020 - push shows contact 19-19 5 feet? <br /> V SC - Clayey SAND, yellowish brown, fine sand 80%, clay 20%, <br /> dense, damp to moist <br /> Bottom of Boring = 20 feet <br /> Reviewed by RG/CEG <br />