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Advanced <br /> BORING LOG <br /> GeoEnvironmental, Inc. BOREHOLE NO EW-3 <br /> 837 Shaw Road, Stockton, CA 95215 <br /> (209)467-1006 FAX (209)467-1118 TOTAL DEPTH 35 FEET <br />' Project Chase Chevrolet-Van Buren Drilling Co West Haz Mat <br /> Site Location 424 North Van Buren Street Rig/Auger Type CME75-HT <br />' Stockton, California Logged By P Dotson <br />' Protect No AGE-NC-95-0143 Reviewed By N Henderson <br /> Date(s) Drilled 16 March 2001 <br /> Notes Total depth of boring 35 feet below surface grade Boring sz Water level during drilling <br />' Page I of I <br /> completed as four-inch ground water extraction well I _m Water level in completed well <br /> Depot Sample Blows PID Soil USCS Class and Well Well <br />' 1D (per 6") (ppm) Symbol Soil Description Completion description <br /> 0 <br /> Well cover ensty box <br /> CL Dark yellowish brown,SILTY CLAY,very stiff, <br />' — damp,no petroleum hydrocarbon(HC)odor <br /> -5 I EW3-5 1116113 <br /> Cement grout seal from <br /> 5'to 10'bsg <br />' I ML Moderate yellowish brown,SILT,trace of fine <br /> _— sand,very stiff to hard,damp,HC odor <br /> -10 EW3-10 6/13/24 -- =J <br />' I Bentonite seal from 10' <br /> ! to 12' bsg <br /> i <br />' ML Moderate yellowish brown,SILT,trace of fine <br /> sand,hard,motst,HC odor <br /> -15 EW3-15 13/27/43 — <br /> SP-SM Moderate yellowish brown,POORLY #2/12 sand from 12'to <br /> GRADED SAND with SILT,tine sand,approximately 35'bsg <br /> -2 0EW3-20 9/10/13 -__ 10%fines,medium dense,saturated,HC odor <br />' SP Moderate yellowish brown,POORLY GRADED <br /> SAND,fine sand,approximately 5%tines,medium <br /> -2' EW3-25 6!10/17 dense,saturated,HC odor <br /> Screened interval from <br /> SP Moderate yellowish brown,POORLY GRADED 14'to 34'bsg <br /> I N_ <br /> SAND,fine sand,approximately 5%fines,medium <br /> _30—I EW3-30 14/22/30 _ dense,saturated,HC odor <br /> Cap at 34' <br /> No sample recovery,heaving sands <br /> 3 5 EW3-35 50-6 <br />