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Soil Boring Logs and Well Construction Details <br /> University of the Pacific <br /> 1081 W. Mendocino Avenue <br /> Stockton, California <br /> page interval indicates depth of soil sample recovered for laboratory analysts <br /> LOG OF SOIL BORING MW-4 <br /> .--Depth _- ---' - _-- - <br /> Notes T - -T -- Interval - — Tµ Soil Descnption <br /> (ft) - _ <br /> 0 to I 5-inch asphalt layer overlying 5-6 feet of base material Hand <br /> 10/25/01 au erect from surface to 5 feet <br /> Brown Silty Clay [CL], fine sand,damp,plastic <br /> 11177 <br /> 1 to 4 JL <br /> -egged-bY — <br /> PBH Brown Clayey Silt[ML],very minor fine sand,damp,no odor, <br /> 4 to 8 stiff <br /> Brown Silt[ML], minor clay,no plasticity,same as above but <br /> 8 to 10 with increased moisture <br /> Brown Silt[ML], minor clay,no plasticity,moist, increasing <br /> 10 to 15 moisture with depth <br /> Groundwater <br /> static at 15 5 M <br /> feet ± 1 inch 15 to 16 Brown Silt[ML], minor clay,no plasticity, very moist, increasing <br /> (11116101) moisture with depth <br /> Clayey Silt[ML],increasing fine sand and clay with depth, <br /> 6 to 2 plastic, moist Soil sample taken at 19 5 to 20 feet <br /> ti G <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> ti Gray/brown Silty Sand[ML],fine dense sand,moist,no odor <br /> ti 21 to 24 ` Water saturated Easy drilling rate <br /> ti <br /> ti <br /> ti <br /> ti <br /> Brown Clayey Silt[ML],very fine sand, moist to damp,no odor, <br /> 24 to 26 drilling rate increases with depth <br /> z <br />_ 26 to 27 Lens of Silty Sand [ML],fine grains <br /> - - `-Brown Clayey Silt[NIL],very fine sand;less stiff than at 24-to 26- <br /> 27 to 30 feet,moist to damp,no odor Increasing stiff clay and stiffness <br /> with depth -- <br /> Bottom of t <br /> boring 30 feet <br />