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Wright Environmental Services, Inc., Tracy, CA Exploratory Boring Log <br /> Project No 4090 Boring/Well No PS-11 Well Installed No <br /> ent Cox $ Cox Date Drilled April 25, 2000 Total Depth 25' <br /> cation 595 E 11th St , Tracy, CA Logger CMP Cement Grout Seal 25' to Surface <br /> Drilling Method 3" OD Direct Push <br /> Permit; PHS t_HD SR 0121996, dated 1-10-2000 <br /> Water Levels 1st Eric 121? Static 9 20 0 13 10 <br /> m Borehole <br /> Sample PID Push Dein. (f) �i#hology Log Completion <br /> Cn <br /> Road Base ^•^ <br /> CL - Silty CLAY, very dark grayish brown 10YR312, low ^• <br /> egad plasticity, v f sand 10% dissem in clay, firm, damp ;•:• <br /> to "• <br /> 5 feet •^• <br /> ^- <br /> 5 ^. <br /> Pa t, 0 Push Same as above, stiff, damp <br /> t <br /> Driller calls change at 9 feet ^•^• <br /> 10 CL - Sandy CLAY, gray 10YR5/1, low plasticity, sand 40%, <br /> ^• <br /> rare rootholes, caliche, firm, damp to nearly saturated <br /> PS-11 <br /> 2 Q Push at 12 feet <br /> � 1 <br /> P8 tt 0 Push SP - SAND, gray 10YR5/1, f sand 90-95%, fines 5-10%, <br /> s massive, med dense to dense, saturated ^•^• <br /> .A <br /> 20 Borehole flowed after driving sampler, lost sample, <br /> sand rose to 16 feet, removed rods to clear, readvance, ^.". <br /> PS tfNR Push <br /> 4 driller calls change at 22 feet <br /> CL - Sandy CLAY, dark yellowish brown 10YR514, low plasticity, <br /> PB-:1Q Paan f med sand 10-20%, massive to crudely bedded, stiff, damp ;•�• <br /> s <br /> 25 <br /> Bottom of Boring = 25 feet <br /> j <br /> Sampler direct pushed <br /> unless stated otherwise <br /> NR - No PID Reading <br /> Reviewed by RGICEG <br />