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Advanced BORING LOG <br /> GeoEnvironmental, Inc. BOREHOLE NO IAS-1 <br /> 837 Shaw Road, Stockton, CA 95215 <br /> �--� (209)467-1006 FAX (209)467-1118 TOTAL DEPTH 60 FEET <br /> I <br /> Project Former CANTEEN CORP Date(s) Drilled 25 February 2002 <br /> Project No AGE-NC-99-0612 Page 2 of 2 <br /> Sample Blows PID Soil USCS Class and Well Well <br /> Depth ID (per 6") (ppm) Symbol Soil Description Completion Description <br /> VA <br /> = ML SILT with SAND,low plasticity,low toughness, <br /> VA <br /> _ approximately 25%fine sand,moderate brown,damp, <br /> VA <br /> –40 — hard,75%recovery <br /> IASI-40 14/21/25 13 <br /> 1 <br /> ML SILT,low plasticity,low toughness,trace of fine <br /> sand,dark yellowish brown,damp to moist hard,90% <br /> 45— —— recovery <br /> iASI-45 13/22/25 75 <br />' CL SILTY CLAY,medium plasticity,low to medium <br /> toughness,trace of micas,damp,moderate brown,hard, <br /> –5 0100%recovery <br /> IASI-50 23/50-6 0 <br /> Bentonite seal from 51' <br /> to 53' bsg <br /> CL LEAN CLAY,medium plasticity,medium <br />' toughness,moderate brown,moist,hard,65%recovery #2112 sand from 53'to <br /> –55 60'bsg <br /> IAS1-55 17/28/38 0 <br />' —— Screened interval from <br /> 55'to 60'bsg <br /> ML CLAYEY SILT,low plasticity,low toughness, <br /> micaceous,moderate olive brown,saturated,hard,70% Cap at 60' <br /> _6 0 — recovery <br />' IAS/-60 12/23/40 0 <br />