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Advanced BORING LOG <br /> GeoEnvironmental, Inc. BOREHOLE NO 15B-6 <br /> 4005 North Wilson Way, Stockton, CA 95205 <br /> (209)467-1006 FAX (209)467-1118 TOTAL DEPTH 15 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 McKibben <br /> Reviewed By N Henderson <br /> Project No AGE-NC-95-0144 <br /> Date(s) Drilled 05/02/00 <br /> Notes 4 Water level during drilling page 1 of 1 <br /> ' = Water level in completed well <br /> i <br /> ' Depth Sample Blows PID Sod USCS Class and ID 1 ft (ppm) Symbol Sod Description <br /> 0 <br /> -5 --— <br /> ML Gray,very moist,clayey SILT,moderate hydrocarbon(HC)odor <br /> 15B-6-6 --- 425 <br /> ML Gray-brown,moist,SILT,green-gray staining,moderate HC odor <br /> _10- 15B6-10 --- 308 _ <br /> ML Brown,moist,SILT with clay,gray staining,minor white mottling,faint HC odor <br /> -15- 15B-6-15 --- 21 <br /> 1 <br /> ' Boring backfilled to surface grade with portland cement <br /> -20 <br /> I <br /> ' I -25 <br />