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Advanced BORING LOG <br />' GeoEnvironmental Inc.� BOREHOLE NO.: MW-10 <br /> 837 Shaw Road, Stockton, CA 95215 <br /> (209)467-1006 FAX: (209)467-1118 TOTAL DEPTH: 25 Feet <br /> Project: Strong Property Drilling Co.: Mitchell Drilling Environmental <br /> Site Location: 5157 West Business Loop 205 Rig/Auger Type: CME 75HT - S" Hollow Stem Auger <br /> Tracy, California Logged By: Brian W. Millman <br /> - Reviewed By: Cavin Lee <br /> Project No.: AGE-NC-98-0440 Date(s) Drilled: 30 October 2002 <br /> Notes: Ground Water Encountered at 12 feet bsg = Water level during drilling Page 1 of 7 <br /> m Water level in completed well <br /> Depth I Sample Blows PID Soil USCS Class and Well Well <br /> ID (per 6") (ppm) Symbol Soil Description Completion Description <br /> 0 <br />' Concrete from 1'to 2' <br /> -5 MW10-5 9/10/12 0 <br /> CL:Brown,dry to damp,SILTY CLAY;fine sand <br /> presnt,medium plasticity and toughness,no <br /> hydrocarbon(HC)odor. Bentonite seal from 2' <br /> I - to 4' bsg. <br /> _10— MW 10-10 818/11 0 <br /> I CL:Dark Brown,moist,POORLY GRADED SAND; <br /> fine sand,no HC odor. <br /> MW10-15 11/15/16 0 <br /> � CL:Brown,very moist,CLAY;medium plasticity and It3 sand from 4'to 25' <br /> Itoughness,no HC odor. bsg. <br /> -20 <br /> MW10-20 10/16/18 0 CL:Brown,very moist to saturated,CLAY;medium Screened interval from <br /> plasticity and toughness,no HC odor. 5'to 25'bsg. <br /> -25 <br /> MW10-25 12/21/25 0 CL:Light brown,saturated,CLAY;medium plasticity Cap at 25'. <br /> and toughness,no HC odor. <br /> --30 <br />