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' Advanced BORING LOG <br /> GeoEnvironmental <br /> , Inc. BOREHOLE NO 15B-11 <br /> 837 Shaw Road, Stockton, CA 95215 <br /> 209 7- TOTAL DEPTH <br /> { )46 loos FAX (209)4s7-�118 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 = Water level in completed well <br /> Sample Blows PED Soil USCS Class and <br /> Depth ID (per 6") (ppm) Symbol Sod Description <br /> 10 <br /> CL Brown,moist,CLAY,high plasticity,no petroleum hydrocarbon(HC)odor, 100% <br /> recovery <br /> -5 1513-11-5 --- --- <br /> 10 <br /> ' ML Mottled gray/brown,damp,CLAYEY SILT,no HC odor,90%recovery <br /> -Z0 158-11-10 --- 0 <br /> ' — SM Mottled brown/gray,very moist,SILTY SAND,approximately 35%fines,fine sand, <br /> low plasticity,no HC odor,80%recovery <br /> ' 15 15B-11-15 -- 0 <br /> ' SP Brown,saturated,POORLY GRADED SAND fine sand less than 5%fines no HC <br /> odor,60%recovery <br /> ' -20 1513-11-20 --- --- <br /> 1 ' <br /> i <br />