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SOIL BORING LOG AND MONITORING WELL COMPLETION DETAILS Sparge Well. OS-10 <br /> I� Project Name:Singh's Unocal Project Location: 574 West Grant Line Rd, Tracy, CA Page i 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 2, 2002 Checked By: Robert E. Kitay, R.G. <br /> WATER AND WELL DATA Total Depth of Well Completed: 17.0' <br /> t Depth of Water First Encountered: 6.5' <br /> Well Screen Type and Diameter: NA <br /> Static Depth of Water in Well: NA Well Screen Slot Size: NA <br /> i <br /> Total Depth of Boring: 17.0' Type and Size of Soil Sampler: 2.0" I.D. Split-Barrel Sampler <br /> SOIUROCK SAMPLE DATA -- f <br /> U_ o a DESCRIPTION OF LITHOLOGY <br /> E <br /> y BORING Q 'o a J standard classification, texture, relative moisture, <br /> DETAIL N v �- $' a density <br /> , stiffness, odor-staining <br /> USCS designation. <br /> o � C3 <br /> m O <br /> 0 Street Box 0 Asphalt <br /> Tubingto Panel sfi�'syfi�s } <br /> .qtr. .•.`. s sts Clayey (ML); dark gray; moist; medium stiff; 70% <br /> . , Portland Cement s?'s t``s silt; 20/° clay; 10% fine sand; trace gravel to 0.5" <br /> r�f4f ysss` fi diameter; low plasticity; very low estimated K; <br /> r�`�f � ��fiYYfi�fi <br /> .'.'w `.'.' N sus sfi, fi moderate hydrocarbon odor <br /> I r' $�fifi4safi 5 7 <br /> ti`�rti ftf�{ fi.�d6fiG:dfi II <br /> ``•{` ��`+{ d s�ssssas `r <br /> h f t'kr♦ ��'�' C Y � fi.6fi.6fid�6t <br /> Wet at 6.5 I <br /> ����� •�f�i O c firyfifiysfi ' i <br /> �r4�� r,ftif C � fi.%fi.dfi,�skfi <br /> m �] y� fitfi <br /> ••��� `�r�f .SfirSs6fidfi <br /> 1 �'ti't 'w'�' r.-6s,Gfidfi,Ydfi 10 <br /> 11 cr) <br /> SS>`SYSY�fi yellow-brown <br /> f . . . �.�ssysysca <br /> fi j <br /> EL sss, ss <br /> s s S x <br /> 1 5 C S„YdfiYtYfi 15 <br /> Silty SAND (SP); brown; we ; medium dense; 95% fine t <br /> o in tdii <br /> a U medium sand; 5% silt; non-plastic; high estimated K; no <br /> (D, odor <br /> a End of Boring at 17 feet , <br /> 20 <br /> 20 1 <br /> X <br /> t <br /> 25 25 <br /> r_ <br /> F <br /> 30 30 <br /> A(C))9A '_&0gEH(CE ENCI(t�1C <br /> I <br /> i <br />