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40 <br /> i <br /> Wright Environmental Services, Inc., Tracy, CA Exploratory Boring Log <br /> Project N0.4090 Boring/Well No PB-10 Well Installed No <br /> Client Cox & Cox Date Drilled April 25, 2000 'total Depth 20' <br /> Location. 596 E 11th St , Tracy, CA Logger CMP Cement Groat Seal 20' to Surface <br /> Drilling Method- 3" OD Direct Push <br /> Permit: PHS EH1D SR 0121995, dated 1-14-2040 <br /> Water Levels. tat Eric 14' Static 9 16 ' <br /> Sample X01 Depth Borehole <br /> No PID rush (tt} Lithology Log <br /> Completion <br /> Road Base <br /> CL - Silty CLAY, very dark grayish brown 10YR3/2, low <br /> Wena plasticity, v f sand t5`Yo, stiff, demp <br /> to <br /> Pa,o 0 s c do Sarre as above, color change to dark yellowish brown i OYR314, ^y^ <br /> stiff, damp <br /> 10 Drflfer calls hard at 10 feet <br /> PS2 a Puss, CL - Sandy CLAY, dark gray t0YR4/1, low plasticity, v f ^'y' <br /> x sand 25% dissern to clay, firm damp to rrlo,st <br /> a' <br /> Rods wet at 14 feel r <br /> 1 h A+ <br /> Maio 0 Pwn SP - SAND gray 10Y135/1, f mad sand 99%, rare ccs sand, <br /> massive, dense Saturated, borehole flows to 12 feet, clear <br /> rods and push to 20 test to attempt sample <br /> Dniter calls Hard at 20 fest, Unable tO advanCB Sampler, <br /> 2 0 borehole flows and collapses, readvance rods to tremte cement <br /> Bottom of 13onng - 20 feet <br /> Sarnplar direct pushed <br /> unless stated otherwise <br /> NR- No PID Rending <br /> Revtawed by RG/CEG <br /> s0 j 01 wo�JA wdto use 000E--VE-90 <br />