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Advanced BORING LOG <br /> I <br /> GeoEnvironmental Inc.� BOREHOLE NO B9 <br /> 837 Shaw Road, Stockton, CA 95215 <br /> 20 467-1006 FAX 209 467-1118 TOTAL DEPTH 50 Feet <br /> � 9) c s � <br /> Project Langston's Market Drilling Cc Enviroprobe <br /> Site Location 15615 South 7th Street, Rig/Auger Type Geoprobe 5400 <br /> Lathrop, California Logged By C Lee <br /> Reviewed By P Dotson <br /> Project No AGE-NC-98-0511 <br /> Date(s) Drilled 11/29/01 <br /> Notes = Water level during drilling Page 1 of 2 <br /> m Water level in completed well <br /> j Sample Blows PID Soil USCS Class and <br /> Depth ID (per 6") (ppm) Symbol Soil Description <br />' o <br /> SP Dark yellowish brown,damp, unconsolidated fine sand,<I 0%fines No <br /> -5 B9-5, - 87 hydrocarbons(HQ odor <br /> ` SP Moderate to light olive brown,damp,unconsolidated fine sand, <20%medium sand <br /> -10 <br /> B9-10' --- 8 8 <br /> —_= ML Light olive gray to light olive brown,damp to moist,clayey silt,20%sand,low to <br /> -15 B9 i5, ___ 19 = moderate toughness and low plasticity No HC odor <br />' D 0 SW Olive gray,dry to moist,mostly unconsolidated,alternating layers of fine to medium <br /> -20— B9-20' --- 175 D p<:>p sand and clayey fine sand,<10%clay Strong HC odor <br /> CL Moderate to dark yellowish brown, saturated,sandy clay,25%fine to fine sand, <br />' - <br /> 2S— 139-25' --- 162 X <br /> moderate to high toughness and high plasticity Slight HC odor <br /> ISP Moderate to dark yellowish brown,saturated,fine to indium sand Slight HC odor <br /> 1 <br /> SM Moderate to dark yellowish brown,saturated,clayey fine sand, low toughness and j <br /> plasticity Slight HC odor j <br /> J <br />