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Advanced <br /> BORING goo <br /> GeoEnvironmental' Inc. BOREHOLE NQ EW-4 <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 /> Nates Total depth of bonng 35 feet below surface grade Bonn ' a Water level during drilling <br /> completed as four-tach Page 1 of 1 <br />' p ground water extraction well � Water leve! in completed well <br /> Depth Sample Blows PID Soil I USCS Class and Welt Well <br />' ID (per 6") (ppm) Symbol Soil Description Completion Description <br /> 0 <br /> Well cover cnsty box <br /> No sample recovery,brick matena]in shoe <br />' - EW4-5 --- <br /> Cement grout seat from <br /> 5'to 10'bsg <br />' — — ML Moderate yellowish brown,SILT,trace of fine <br /> sand,very stiff to hard,damp,slight HC odor <br /> -10 EW4-10 10/13/20 <br />' Bentonite seal from 10' <br /> to 12' bsg <br /> ML Moderate yellowish brown,SILT,trace of fine <br /> sand,very stiff to hard,moist,slight HC odor <br /> -1-9—{ EW4-15 6/16/23 -- <br /> SP-SM Moderate yellowish brown,POORLY #2112 sand from 12'to <br /> - — GRADED SAND with SILT,fine sand,approximately 35'bsg <br /> - <br /> 20— EW4-20 10/14/19 10%fines,medium dense to dense,saturated,HC odor <br />' — — — SP-SM Moderate yellowish brown,POORLY <br /> GRADED SAND with SILT,fine sand,approximately <br /> -25 EW4 25 13/27/39 -- 10%fines,medium dense to very dense,saturated,HC <br /> odor <br /> I f <br /> Screened interval from <br /> No sample recovery,heaving sands <br /> 14'to 34'bsg <br /> -30EW4-30 - -_ <br /> — Cap at 34' <br /> - <br /> 35— No sample recovery,heaving sands J <br /> EW4-35 -- <br />