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i <br /> Advanced BORING LOG <br /> GeoEnvironmental, Inc. BOREHOLE NO 1AS-1 <br /> 837 Shaw Road, Stockton, CA 95215 <br /> TOTAL DEPTH 60 FEET <br /> (209) 467-1006 FAX (209)467-1118 <br /> Project Former CANTEEN CORP Drilling Co Mitchell Drilling Environmental <br /> Site Location 1500 Shaw Road Rig/Auger Type CME 75 - 8" HSA <br /> Stockton, California Logged By Paul Dotson <br />' Reviewed By N Henderson <br /> Project No AGE-NC-99-0612 Date(s) Drilled 25 February 2002 <br /> I Notes Total depth of boring 60 feet bsg Boring 4 Water level during drilling Page 1 of 2 <br /> completed as 2-mch diameter in-situ air sparge well = Water level in completed well <br /> USCS Class and Well Well <br /> Depth Sample Blows PID Sod Completion Description <br /> ID (per 6") (ppm) Symbol Soil Description <br />' Well cover cristy box <br /> 0 Asphalt Surface <br />' CH FAT CLAY,high plasticity,high toughness,dark <br /> yellow brown,damp,stiff to very stiff,50%recovery <br /> _5 IAS1-5 4111/15 0 <br /> ML SILT,low plasticity,low toughness,micaceous, <br />' approximately 10%fine sand,moderate brown,damp, <br /> 0 <br /> IAS3-10 18/28/40 0 hard,100%recovery <br /> _ SM SILTY SAND,approximately 20%fines,fine <br /> sand,moderate brown,dry,medium dense to dense, <br /> 1 — — 60%recovery <br /> IASI-15 8/11/20 0 <br />' <br /> S"L SILTY <br /> __= SAND/SANDY SILT,approximately <br /> equal percentages fine sand and fines,moderate brown, <br /> -20— — dry,dense/liard,90%recovery <br /> IASI-20 18/28/30 0 <br /> Cement grout seal from <br /> 5'to 51'bsg <br /> -25 IASL-25 10/16/27 0 <br />' CL SILTY CLAY,medium plasticity,low toughness, <br /> trace of micas,aark yeilowisb brown,damp,very stiff <br /> 30— IAS1-30 11/14/22 0 to hard, 100%recovery <br /> _= ML CLAYEY SILT,low plasticity,low toughness, <br />' micaceous,dark yellowish brown,damp,very stiff to <br /> _3 5IAS1-35 7/18I35 0 hard,70%recovery <br />