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Wright Environmental Services, Inc , Tracy, CA Exploratory Boring Log <br /> Protect No 4090 Boring/Well No PB-13 Well Installed No <br /> #n1Cox & Cox Date Drilled April 25, 2000 Total Depth 26' <br /> ation 595 E 11th St , Tracy, CA Logger GMP 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 12'7 Static 9 10' <br /> Borehole <br /> Sample E Depth Lithology Log Completion <br /> No PID Push cn (ft) <br /> Road Base A•"• <br /> A• <br /> hand CL - Silty CLAY, brown 10YR513, low plasticity, of sand<5%, <br /> aug8rea massive, stiff, damp <br /> to <br /> AAA <br /> 5 feet <br /> 55 <br /> Pe 13 0 Push Same as above, of sand 10%, stiff, damp <br /> t <br /> 4 <br /> .A. <br /> 10 +"+ <br /> P8-1325 5 Push <br /> CL - Sandy CLAY, 10YR4/3, brown, low plasticity, f med <br /> 2 sand 40%, very weak petroleum odor and possible stain, ^;A, <br /> massive, stiff, damp A;Ay <br /> AA <br /> 1 <br /> P8-13 Push SC-SP - Clayey SAND to SAND, brown 10YR4/3, A•AA <br /> 3 f med sand 90-95%, fines 5%, clay to 10% and low plasticity, <br /> dense, saturated, borehole begins to flow <br /> P6-,3 NR Push 20 Borehole flow, driller unable to advance sampler, continue to push �•�• <br /> d ^+ <br /> ,AA <br /> Driller calls chane at 23 feet <br /> CL-ML - Sandy CLAY to Sandy SILT, yellowish brown 10YR514, <br /> no stain or odor, low plasticity, f med sand to 40%, - - <br /> Ps:3 0 Push25 silt/clay 60%, firm, damp <br /> -5 El <br /> Bottom of Boring = 26 feet <br /> Sampler direct pushed <br /> unless stated otherwise <br /> NR- No PID Reading <br /> Reviewed by RG/CEG <br />