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Advanced BORING LOG <br />' R GeoEnvironmental, Inc. BOREHOLE NO.: MW-9 <br /> 837 Shaw Road, Stockton, CA 95215 <br /> (209)467.1006 FAX: (209) 467-1118 TOTAL DEPTH: 25 Feet <br /> 1 Project: Strong Property Drilling Co.: Mitchell Drilling Environmental <br /> Site Location: 5157 West Business Loop 205 Rig/Auger Type: CME 75HT- 8" Hollow Stem Auger <br />' Tracy, California Logged By: Brian W. Millman <br /> Reviewed By: Cavin Lee <br />' Project No.: AGE-NC-98-0440 <br /> Date(s) Drilled: 30 October 2002 <br /> Notes: Ground Water Encountered at 12 feet bsg a Water level during drilling page 1 of 1 <br />' = Water level in completed well <br /> Depth Sample Blows PID I Soil USCS Class and Well Well <br /> ID (per 6') (ppm) Symbol Soil Description Completion Description <br /> 0 <br /> Concrete from l'to 2' <br /> -5 MW9-5 10/12/14 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 /> to 4' bsg. <br /> -10 <br /> MW9-10 12/15/21 0 CL:Brown,dry to damp,SILTY CLAY;fine sand <br /> presnt,medium plasticity and toughness,no HC odor. <br /> Q <br /> -15 MW9-15 14/17/22 0 <br /> CL:Brown,very moist,CLAY;medium plasticity and #3 sand from 4'to 25' <br /> Itoughness,no HC odor. bsg. <br /> -20 <br /> MW9-20 15/21/32 0 CL:Brown,very moist to saturated,CLAY;medium Screened interval from <br /> Iplasticity and toughness,no HC odor. Y to 25'bsg. <br /> 1 <br /> -25 MW9-25 8/16/25 0 <br /> CL:Light brown,saturated,CLAX;medium plasticity Cap at 25'. <br /> i <br /> and toughness,no HC odor. <br /> I <br /> -30 <br />