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Advanced BORING LOG <br /> GeoEnvironmental, Inc. BOREHOLE NO B-5 <br /> yl 837 Shaw Road, Stockton, CA 95215 <br /> (209)467-1006 FAX (209)467-1118 TOTAL DEPTH 20 FEET <br /> Project CTE,Inc Drilling Co Enviroprobe <br /> Site Location El Dorado Street Rig/Auger Type Geoprobe 5400 / 125" rods <br />' Stockton, California Logged By P Dotson <br /> Reviewed By C Lee <br /> Project No AGE-NC-02-0930 <br /> Date(s) Drilled 10 May 2002 <br /> Notes B-5 advanced to 20 feet bsg Boring backfilled sz Water level during drilling page 1 of 1 <br /> to surface grade with Portland cement m Water level in completed well <br /> Sample Blows PID Soil USCS Class and <br /> Depth ID (per 6") (ppm) Symbol Soil Description <br /> 0 <br /> CL LEAN CLAY,medium plasticity,medium toughness,trace micas,dark yellowish <br /> brown,damp, 100%recovery <br /> B5-5 --- 0 <br /> I ML CLAYEY SILT,low plasticity,low toughness,trace fine sand,gray(stained),moist, <br /> petroleum hydrocarbon(HC)-like odor, 100%recovery <br />' 10 $5-10 --- 17 <br /> SM/ML SILTY SAND/SANDY SILT,approximately equal percentages fine sand and <br /> fines,gray(stained),moist,strong HC-like odor, 100%recovery <br />' -15 B5-15 --- 69 ---- <br />' CL LEAN CLAY,medium plasticity,medium toughness,trace fine sand,moderate <br /> brown and gray(stained),moist,HC-like odor,75%recovery <br />' <br /> 20— <br /> 0 B5-20 -- 3 <br />