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Advanced BORING LOG <br /> � <br /> GeoEnvironxnental <br /> , Inc. BOREHOLE NO MW-23 <br /> ( 7� 837 Shaw Road, Stockton, CA 95215 <br /> (209)467-1006 FAX (209)467-1118 TOTAL DEPTH 30 FEET <br />' Project Chase Chevrolet- Van Buren FDri'lling c West Haz Mat <br /> Site Location 424 North Van Buren Street Rig/Auger Type CME75-HT <br />' Stockton, California Logged By P Dotson <br /> Project No AGE-NC-95-0143 Reviewed By N Henderson <br /> Date(s) Drilled 15 March 2001 <br /> Notes Total depth of bonng 30 feet below surface grade BorYn Q Water level during drilling Page 1 of 1 <br />' completed as two-inch ground water mocutonng well w Water level in completed well <br /> Depth Sample Blows PID Soil USCS Class and Well I Well <br />' ID (per 6") (ppm) Symbol Soil Description Completion Description <br /> l0 <br /> Weil cover cnsty box <br /> 1 <br /> CL Dark yellowish brown,CLAY,high plasticity,very Cement grout seal from <br /> stiff,damp Y to 6'bsg <br /> -5 MW23-5 6110/16 <br /> 1 Bentonite seal from 6' <br /> g <br /> ACL.Mbderate yellowish brown SILTY SAND,t'ne to 8' bs <br /> sand,approximately 15%fines,me i m deli o <br /> 10— -_ dense,damp <br /> MW23-10 8/I6/22 <br />' ML/SM Moderate yellowish brown,SILTY <br /> T� SANWSANDY SILT,approximately equal percentages <br /> �— sand and fines,fine sand,very dense,moist,no <br />' -15 MW23 15 26150-6 -- petroleum hydrocarbon(HQ odor <br /> #7/12 sand from 8 to <br /> 30'bsg <br />' SM Moderate yellowish brown,SILTY SAND,fine <br /> sand,approximately 40%fines,very dense,damp <br />' -20— MW23-20 13/16/21 --- <br /> Screened interval from <br /> 10'to 30'bsg <br /> II <br /> No sample recovery,heaving sands <br /> -25 MW23-25 - --- <br /> INo sample recovery,heaving sands <br /> -30 MW23-30 — _ Cap at 30' <br />