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Advanced BORING LOG <br /> GeoEnvironmental, Inc. <br /> r BOREHOLE NO Bis <br /> rY, 837 Shaw Road, Stockton, CA 95215 <br /> (249)467-1006 FAX (209) 467-1118 TOTAL DEPTH 50 Feet <br /> Project Langston's Market Drilling Co Enviroprobe <br /> Site Location 15615 South 7th Street, Rig/Auger Type Geoprobe 5400 <br /> Lathrop, California Logged By C Lee <br /> Reviewed By P Dotson <br /> Project No AGE-NC-98-0511 <br /> Date(s) Dulled 11/30/01 <br /> Notes Adjacent to momtonng well MW-5 = Water level during drilling page 1 of 1 <br /> Began soil sampling and description at 40 feet m Water level in completed well <br /> Sample BlowsPlfl Soil USCS Class and <br /> Depth ID per 6") (ppm) Symbol Sod Description <br /> i CL Grayish olive to olive gray,damp stiff clay,moderate to high toughness and high <br /> -40— 85-40' --- 43 plasticity No hydrocarbon(HC)odor <br /> I <br /> — � ML/SM Olive grav,saturated,clayey fine sand or silt with white micas(<10%),<20% <br /> 4 B5-45' __ 18 clay Low toughness and plasticity No HC odor <br /> 10-45, <br /> - CL Olive gray,very moist silty clay,low to moderate toughness and high plasticity No <br /> HC odor I <br /> r= - ML Grayish olive,saturated, clayey silt,moderate to high toughness and low plasticity <br /> -5 0 B5-50' -- 69 = Slight HC odor <br /> ML Same as above, low to moderate toughness Slight HC odor <br />' Bonng terminated at 50 feet below surface grade Cement grout utilized to abandon from <br /> total depth to surface grade <br /> 1 <br /> 1 <br />