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SOIL BORING LOG AND MONITORING WELL COMPLETION DETAILS Sparge Well: OS-6 <br /> Project Name:Singh's Unocal Project Location: 574 West Grant Line Rd, Tracy, CA Page 1 of 1 <br /> LDriller: Gregg Drilling, Martinez, CA Type of Rig: Hollow-Stem Ae of Drill: 5.0" Diameter <br /> By: Erik H. Paddleford Date Drilled: July 2, 2002 Checked By: Robert E. Kitay, R.G. <br /> i <br /> WATER AND WELL DATA Total Depth of Well Completed: 17.0' <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 j <br /> r <br /> Total Depth of Boring: 17.0' Type and Size of Soil Sampler: 2.0" I.D. Macro Core Sampler <br /> SOI ROCK SAMPLE DATA <br /> � c y m DESCRIPTION OF LITHOLOGY <br /> o BORINGE w U <br /> DETAIL v U° OL J a mo <br /> standard classification, texture, relative isture, <br /> 5 3 density, stiffness, odor-stainin , USCS designation. <br /> Q m O t7 Q <br /> I <br /> p Street Box 0 Asphalt <br /> Tubing to Panel ss, fiss Clayey SILT (ML); gray; moist; medium stiff; 60% <br /> r,rti r. , s.6fi6fidfiss o plasticity;; very ; <br /> . . . ti . Portland Cement myp%1: silt; 40% clay; trace sand; trace gravel to 0.5" <br /> diameter; low lasticit low estimated K; I" <br /> •`�rti `lrkr y.. S+d�Sfi.6fi,6fi <br /> s, rsfifi moderate hydrocarbon odor <br /> 1r�r, r r r �'sfi,Yfi, <br /> 5 ,'.'. . . <br /> > s�sssfi 5 <br /> fidfidfi%fi dfi <br /> CL i�SdSfidS <br /> .`�•. 'k`4' <br /> 0wet wet at 6.5 <br /> tir,r` r`ryr 4j P. s�t�fi <br /> •r�'� '�'4' co m <br /> "gyp <br /> r r rrr Q fi.-Fsdfi,6fi <br /> 1 ♦`�rw `ti`ti` lraafiafisfi 10 <br /> r r r r r <br /> x{zY <br /> zx{ { Sandy SILT (SM); yellow-brown; wet; medium stiff; 85% <br /> Y Y Y Y <br /> silt; 10% fine sand; 5% clay; low plasticity•' very low <br /> (G YZ YXXY.2�YX Y <br /> Q YY�YZY�Y estimated K; moderate hydrocarbon odor <br /> LL <br /> —15 <br /> Yc YZ YX Y <br /> � � Yx YxKyk^fjxYy 1 <br /> .Q ca Yh y�K y <br /> CL rIYZ Y KYx YxxY <br /> End of Boring at 17 feet <br /> � r I <br /> 20 m 20 <br /> N i <br /> i <br /> I <br /> 25 25 , <br /> 30 3p ' <br /> h <br /> I <br /> "IyOkiA SOMEiNCE EWGONCCRS, 0110. k <br /> I <br /> I <br />