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SOIL BORING LOG AND MONITORING WELL COMPLETION DETAILS Sparge Well: OS-4 <br /> Project Name:Singh's Unocal Project Location: 574 West Grant Line Rd, Tracy, CA Page 1 of 1 { <br /> Driller: Gregg Drilling, Martinez, CA Type of Rig: Hollow-Stem Auger Size of Drill: 5.0" Diameter <br /> Logged By: Erik H. Paddleford Date Drilled: July 1, 2002 Checked By: Robert E. Kitay, R.G. <br /> WATER AND WELL DATA Total Depth of Well Completed: 17.0' <br /> r <br /> Depth of Water First Encountered: 6.5' Well Screen Type and Diameter: NA <br /> Static Depth of Water in Well: NA Well Screen Slot Size: NA <br /> i <br /> I <br /> Total Depth of Boring: 17.0' Type and Size of Soil Sampler: 2.0" I.D. Macro Core Sampler <br /> Z <br /> SOIL/ROCK SAMPLE DATA <br /> to —> DESCRIPTION OF LITHOLOGY <br /> l� > <br /> a DETAIL .2- Z c°0 a standard classification, texture, relative moisture, <br /> roCL <br /> densit , stiffness, odor-staining, USCS designation. <br /> Fn O <br /> p Street Box 0 Asphalt <br /> Tubing to Panel fi, Clayey SILT (ML); dark gray; moist; medium stiff; 60% <br /> .','. `. . Portland Cement firrss silt; 40% clay; trace sand; trace ravel to <br /> g 0.5" <br /> `rlr� r*r`r Ss,Ys, fi, fi diameter; IoWp lasticity; very IoW estimated K; <br /> �r�r� ryf�r ti �.6fi.�dfi.YfiYfi <br /> slight hydrocarbon odor <br /> `f 4'k r r r � 'r.6fi�fidfidfi <br /> 5 , . . . . ss. ssasi <br /> m j fi,�fifiss 5 gray; moderate hydrocarbon odor <br /> . . .-• 4. s,Yss..�a�asss <br /> �rkrti r*r,r t'XPXSy' Wet at 6.5' <br /> ' efiO Oq <br /> Co <br /> `rtir� r*r�r dm yfiySy4y�' <br /> tr�r� r,r`r S�S�S�fi�fi <br /> 1 0 0 <br /> 4r�ry rkrxr fi.,ysfiy�.-syfi,�fi I <br /> r r r r r U fi�t�i-�fiYfi <br /> :Zd �;d ss <br /> _ � $afidfi.�sfisfi I <br /> iL ass�ssas I <br /> 1 5 a Sfifi„'dfifi 15 <br /> Silty SAND (SP); brown; wet; medium dense; 90% fine t I <br /> a U srss'fis medium sand; 10% silt; non-plastic; high estimated K; no <br /> odor <br /> r a Clayey SILT (ML); brown; wet; medium stiff; 60% <br /> 2 0 rn 2 0 silt; 40% clay; trace sand; low plasticity; very low <br /> estimated K; slight hydrocarbon odor <br /> x End of Boring at 17 feet <br /> I <br /> 25 25 <br /> Il -30 30 � <br />