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Advanced BORING LOG <br /> ' GeoEnvironmental, Inc. BOREHOLE NO 15B-12 <br /> 837 Shaw Road, Stockton, CA 95215 <br /> TOTAL DEPTH <br /> (209)467-1006 FAX (209)467-1118 20 Feet <br /> Project Chase Chevrolet-Madison Drilling Co Enviroprobe <br /> Site Location 423 North Madison Street Rig/Auger Type Geoprobe 5400 <br /> ' Stockton, California Logged By P Dotson <br /> Reviewed By N Henderson <br /> ' Project No AGE-NC-95-0144 Date(s) Drilled 11/15/00 <br /> Notes Total depth of boring 20'bsg Backfilled sz Water level during drilling Page 1 of 1 <br /> to surface grade with portland cement s Water level in completed well <br /> Sample Blaws PID Soil USCS Class and <br /> Depth ID (per 6"} (ppm) Symbol Soil Description <br /> ' 4 <br /> ro <br /> CL Brown,damp to moist,CLAY,70%recovery <br /> -5 1513-12-5 --- 0 <br /> ' = ML Cray,damp,CLAYEY SILT,HC odor,80%recovery <br /> 10 1513-12-10 --- 63 <br /> ' ML Brown,moist, SILT with SAND,fine sand,intense HC odor, 80%recovery <br /> ' -15 15B-12-15 -- 161 <br /> ' SP-SM Brown saturated POORLY GRADED SAND with SILT fine sand <br /> approximately 10%fines,no HC odor, 80%recovery <br /> - <br /> 20— 15B-12-20 --- --- <br /> 1 � <br />