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x <br /> Wright Environmental Services, Inc., Tracy, CA Exploratory Boring Log <br /> P olect No 4090 Boring/Weil No PB-12 Well Installed No <br /> nt Cox & Cox Date Drilled April 25, 2000 Total Depth 26' <br /> ocation 595 E 11th St , Tracy, CA Logger CMP Cement Grout Seal 26' to Surface <br /> Drilling Method 3" OD Direct Push <br /> Permit. PHS EHD SR 0121996, dated 1-10-2000 <br /> Water Levels 1st Enc 12'? Static 9 15 ® 14 40 <br /> le <br /> Sample E Depth Lithology Log Completion <br /> No PID Push in (ft) <br /> Road Base <br /> hand CL - Sandy CLAY, dark brown 10YR313, low-med plasticity, ".�. <br /> augered v f sand 15%, crudely bedded, stiff, damp ^•^• <br /> to <br /> 5 fast <br /> Pe 12Push 5 Same as above, stiff, damp �•�• <br /> 1 <br /> ^• <br /> 10 Same as above, slightly more sand, stiff, damp <br /> P8212 0 Push CL - Sandy CLAY, yellowish brown 10YR516, low plasticity, ^•^• <br /> v f sand 20%, silt 15%, massive, stiff, damp to nearly „•.• <br /> saturated at 12 feet <br /> 15 <br /> PS-12 Push Lost most of sample, shoe cuttings show- :^• <br /> 3 SP - SAND, gray 10YR4/1, v f sand 95%, fines 5%, dense, <br /> saturated, borehole beginning to flow <br /> w• <br /> Pe 12 Push 20 Sampler drive acts dense, lost sample, borehole flowing <br /> 4 <br /> Driller calls change at 23 to 24 feet <br /> PS-12,2 0 Push 2 5 ML - Sandy SILT, yellowish brown 10YR514, non-plastic, <br /> s of - mod sand 30%, massive, firm, damp <br /> Bottom of Boring = 26 feet <br /> Sampler direct pushed <br /> unless stated otherwise <br /> NR -No PID Reading <br /> Reviewed by RGICEG <br />