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Drilling Log <br /> ❑� GROUNDWATER Soil Boring A <br /> I ❑0❑ TECHNO),_OGY <br /> Project SrNL/9110 Thorton Rd Owner rhe Southland Corporation <br />' Location Stockton, CA Project No 020301211 Date drilled 1/13/93- <br /> 0 v' <br /> E0 ')0 tw Description <br /> CL 0. <br /> U <br /> �;u �0 rn (Color. Texture. Structure) <br /> m�°C C j <br /> Nmx Trace < 10%, Little 10% to 20X. Some 20% to 35%. And 35% to 50% <br /> I24 <br /> I 26 <br /> 8 SM <br /> 28 p 28 16 1z <br />' <br /> 30 <br /> 32g SAND, brown, about 50% coarse sand, about 20% fine sand, about 15% <br /> 13 pebbles, about 10% silt {slightly moist, no hydrocarbon odors, medium <br /> Q 33 to dense) <br /> 34 SP <br /> 36 - <br /> 10 <br /> 10 <br /> - 38 - <br /> 0 38 to Clayey SILT, brown, about 70% silt, about 30% clay (slightly moist, no <br /> hydrocarbon odor, very stiff) <br /> I 40 <br /> ML <br /> - 42 - 12 <br /> I 1 <br /> 0 43 188 <br /> 44 9 <br /> sl <br /> Q 45 2 <br /> 46 End boring at approximately 45 5 feet below grade <br /> f 48 <br /> I50 <br /> 52 <br /> 154 - <br /> 56 <br /> 03/10993 hthlog-1an93 Page 2 of 2 <br />