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Advanced BORING LOG <br /> t � GeoEnvironmental, Inc. BOREHOLE NO MW-22 <br /> r �1 837 Straw Road, Stockton, CA 95216 <br /> �� (209)467-1006 FAX (209)467-1118 TOTAL DEPTH 30 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 /> Project No AGE-NC-95-0143 Reviewed By N Henderson <br /> Date(s) Dnlled 15 March 2001 <br /> Notes Total depth of boring 30 feet below surface grade Bortn Q Water leve! during dnlling Page 1 of 1 <br /> completed as two-inch ground water monitoring well s Water level in completed well <br /> 1 i <br /> Depth 1 Sample Blows PID Sail USCS Class and Well Well <br /> ID (per 6") (ppm) Symbol Soil Description Completion Description <br />' a <br /> Well cover ensty box <br /> CL Dark yellowish brown SILTY CLAY,high Cement grout sea]from <br /> plasticity,stiff to very stiff,damp Y to 6'bsg <br /> -5 MW22-5 5/8/13 0 <br /> i I Bentonite seal from 6' <br /> 1 CL Moderate yellowish brown,SILTY CLAY, 1 to 8' bsg <br /> -10moderate plasticity,very stiff,moist <br /> �MW22-10 6113/16 4 <br /> 1 � <br /> 1 — MUSM Moderate yellowish brown,SILTY <br /> SAND/SANDY SILT,approximately equal percentages <br /> -1 5 MW22-15 13/20/25 0 sand and fines,fine sand,dense,moist,no petroleum <br /> hydrocarbon(HC)odor #2/12 sand from 8'to <br />' 30'bsg <br /> SM Moderate yellowish brown,SILTY SAND,fine <br /> sand,approximately IS%fines,dense,saturated,no HC <br /> -201 MW22-20 9/19/26 0 odor <br />' Screened interval from <br /> SP Gray,POORLY GRADED SAND,fine sand, 10'to 30'bsg <br /> approximately 5%fines,dense to very dense,saturated, <br /> I -25 MW22-25 13126/50- 0 no HC odor <br /> 6 <br /> T SM/ML Gray,SILTY SAND/SANDY SILT, <br /> L approximately equal percentages sand and fines,tines <br /> -30— L sand,very dense,saturated Shoe contained POORLY Cap at 30' <br /> MW22-30 17/50-6 0 GRADED SAND,approximately 5%fines <br /> I <br />