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4 <br /> Wright En rctnmental Services, lnc., Tracy, CA Exploratory Boring Log <br /> Project No 4090 BormgMell foto PS-13 Well Installed No <br /> Client Cox & COX Date Drilled April 25, 2000 Total Depth 26` <br /> Location 595 E 7 tth St, Tracy, CA Logger CMP Cement Grout Seal 26 to Surface <br /> Drilling Method 3. OO Direct push <br /> Permit' PHS EHD SR 0121996, dated 1-10-2000 <br /> Watar Levels 1st Enc 12'? Static 9 10' <br /> Sample d Depth �crehnle <br /> No PIE) push (f0 Uth0logy Log <br /> Road Base Completion <br /> F�F <br /> hstrtt CL - Silty CLAY, brown 10YR513, low pfastrcdy, of sand<S%, <br /> Au9sted massive, stiff, damp ' <br /> Ain <br /> 5 Cert <br /> .S <br /> P3 13 Ptah <br /> ' Same as alcove, of sand 10%, stiff, damp <br /> .,wL <br /> ;dense, <br /> 25.5 P - Sandy CLAY, 10YR4/3, brown, low plasticEty, f modd 40%, very wear petroleum odor and possible stain, <br /> sive, stiff, dampPS-13 0 <br /> Clayey SAND to SAND brown 10YR4J3,ed sand 90-95%, fines 5%, clay to 10% and low plasticity saturated, borehole begins to flow =' <br /> A` <br /> NR F'Wn <br /> 20 <br /> Borehole flow, driller unable to advance sampler, continue to push <br /> % <br /> Driller tails chgn a at 23 feet <br /> CL-ML - Sandy CLAY to Sandy SILT, yellowish brown 10YRS14, <br /> P%13 Push 25 no stain or odor, low plastrc1ty, f Med. sand to 40%, «~; <br /> s sill/clay 601o, firm, clamp <br /> Bottom Of Baring W 26 feet <br /> Sampler direct pushed <br /> unless staters otherwise <br /> NR-leo PID Reacting <br /> Reviewed by R=F-Q <br /> cC� L� C1. SE0 N3W7ed WC2il WdES TO o00E-CZ_90 <br />