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SOIL BORING LOG AND MONITORING WELL COMPLETION DETAILS Sparge Well: OS-1 <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: 16.0' <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 <br /> Total Depth of Boring: 16.0' Type and Size of Soil Sampler: 2.0" I.D. Macro Core Sampler <br /> SOIL/ROCK SAMPLE DATA f <br /> LL DESCRIPTION OF LITHOLOGY <br /> 0 <br /> f <br /> BORING a _0 C. a', o •E standard classification, texture, relative moisture, <br /> DETAIL y vJ a density, stiffness, odor-staining, USCS designation. I <br /> © c m O 0 0 <br /> i <br /> 0 Street Box 0 Asphalt <br /> Tubing to Panel P10yel 9 P Clayey SILT (ML); dark gray; moist; medium stiff; 60% <br /> �at,�st <br /> Portland Cement t s,241 <br /> s, s, s silt; 4{)% clay; trace sand; trace gravel to 0.5" <br /> diameter; low plasticity; very low estimated K; <br /> i` rrrr` rrrrr nN, Sssaty4s moderate hydrocarbon odor I <br /> i �:r•r <br /> " V• E2ytyysyt <br /> i <br /> r r <br /> 5 `'r ,` ; 'r�; m j 5 Silty CLAY (CL); brown; moist; medium stiff; 60% clay; w <br /> rrrrr rr:rr a 1 40% silt; medium plasticity; very low estimated K; <br /> _d slight hydrocarbon odor <br /> `r�r; •*r�r D m wet at 6.5' <br /> • • r r r d <br /> r r r r <br /> ♦r,r, r,frr z - <br /> 1 0 4rtir' r`r,r j 1 0 <br /> Y <br /> U 1 <br /> CL I <br /> N <br /> 15 Sandy SILT (SM); brown; wet; medium dense; 70% silt; <br /> o <br /> 30% fine to medium sand; low plasticity; moderate k <br /> ami V) estimated K' no odor <br /> End of Boring at 16 feet <br /> m r <br /> n � <br /> o t <br /> 20 X 20 <br /> N <br /> f <br /> i <br /> 25 25 <br /> I <br /> I <br /> 30 30 <br /> AOUA + OErM�CC EN(GINEERS,, ONO, � <br /> k <br />