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SOIL BORING LOG AND MONITORING WELL COMPLETION DETAILS Monitoring Well MW-5 <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 8 0" Diameter <br /> Logged By Ian T Reed Date Drilled October 5, 2000 Checked By Robert E Kitay, R G <br /> WATER AND WELL DATA Total Depth of Well Completed 16 5' <br /> Depth of Water First Encountered 6 5' Well Screen Type and Diameter 2" Diameter PVC Casing <br /> Static Depth of Water in Well 6 65' Well Screen Slot Size 0 020" <br /> Total Depth of Boring 18 0' Type and Size of Soil Sampler 2 0" 1 D Split-Barrel Sampler <br /> SOIIJROCK SAMPLE DATA m <br /> C V) DESCRIPTION OF LITHOLOGY <br /> 0 <br /> BORING o n J L standard classification, texture, relative moisture, <br /> CL DETAIL 3g' densit , stiffness, odor-stamen USCS designation <br /> a o0 o � (5 a <br /> 0 Street Box 0 Top Sod/ Grass <br /> Locking Well Cap r g�rrs <br /> w k ss s Clayey SILT (ML), brown, moist, stiff, 60% silt, 20% <br /> Portland Cement s�srss clay, 10% fine to coarse sand, 10% gravel to 1 0" <br /> v sdr„rdsrs, s diameter, low plasticity, low estimated K, no odor <br /> o <br /> IL sssss <br /> IL rrrr <br /> 5 mL ° 5 Fine SAND lens (SM), dark brown, 80% fine sand, 20% <br /> = silt, non-plastic, high estimated K, no odor <br /> lie <br /> Silty CLAY (CL), olive gray to brown, moist to wet at <br /> Co 6 5', stiff, 60% clay, 40% silt, low plasticity, very <br /> v low estimated K, no odor <br /> —10 - cu ° 10 <br /> olive gray, 80% clay, 20% silt, no odor <br /> 0 <br /> U) <br /> U <br /> o � <br /> 1 5 o Co <br /> cn 1 5 Fine SAND lens (SM), dark brown, saturated, 80% fine <br /> o ° sand 20% silt non-plastic, high estimated K no odor <br /> CD <br /> N o Silty CLAY (CL), olive gray to brown, wet, stiff, 80% <br /> clay, 20% silt, low plasticity, low estimated K, <br /> N moderate hydrocarbon odor <br /> —20 —20 End of Boring at 18' <br /> 25 25 <br /> 30 30 <br /> AQ d \ SCIENCE ENGINEERS, INC. <br />