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SOIL BORING LOG AND MONITORING WELL COMPLETION DETAILS Well EW-1 <br /> Project Name Singh's Unocal Project Location 574 West Grant Line Rd, Tracy, CA 7Page 1 of 1 <br /> Driller Gregg Drilling, Martinez, CA Type of Rig Hollow-Stem Auger Size of Drill 12 0" Diameter <br /> Logged By Erik H Paddleford Date Drilled August 15, 2001 Checked By Robert E Kitay, R G <br /> WATER AND WELL DATA Total Depth of Well Completed 19 0' <br /> Depth of Water First Encountered 6 5' Well Screen Type and Diameter 6" Diameter PVC Casing <br /> Static Depth of Water in Well NA Well Screen Slot Size 0 020" <br /> Total Depth of Boring 20 0' Type and Size of Soil Sampler 2 0" 1 D Split-Barrel Sampler <br /> SOIUROCK SAMPLE DATA <br /> CD DESCRIPTION OF LITHOLOGY <br /> LL 0 LL <br /> BORING n o n a', = standard classification, texture, relative moisture, <br /> CL DETAIL C <br /> ads $' density, stiffness, odor-staining, USCS designation <br /> a o oFn c� a <br /> 0 Street Box I 1 0 Asphalt <br /> Locking Wel! Cap s s fi s,�e Clayey SILT (MH), dark gray, moist, medium dense, 60% <br /> Portland Cement sssss o a <br /> ss�'sss silt, 35% clay, 5% fine sand, medium plasticity, very <br /> s,4s74sS,rs low estimated K, strong hydrocarbon odor <br /> U Ss9.sfia�S <br /> > 9V P. <br /> 5 0 S.a£afi%tas 5 <br /> ° 915 s s�`.dfiss Brown, moderate hydrocarbon odor <br /> N U 2 t fifi%fisS <br /> m cn <br /> ro sfi, fi?�ss Wet <br /> 1 0 1 Zo 2 sass,ssas 1 0 <br /> U 5 29 tsssS,sS <br /> CL 5 S¢ffidtS <br /> O S afidfiss <br /> 1 5 N cn 5 sssYs 1 5 <br /> o s1 2 Silty SAND (SM), brown, wet, medium dense, 80% <br /> fine sand, 15% silt 5% clay, non-plastic, medium <br /> �n estimated K, no odor <br /> N 5 <br /> —20 �o 5 Silty CLAY (CH), brown wet, medium dense, 60% <br /> 2 0 clay, 30% silt, 10% fine sand, medium plasticity, very <br /> low estimated K, no odor <br /> End of Boring at 20 feet <br /> 25 25 <br /> 30 30 <br /> hi5, 11v1 <br />