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Advanced BORING LOG
<br /> tGeoEnvironmental, Inc. BOREHOLE NO B-1
<br /> j 837 Shaw Road, Stockton, CA 95215
<br /> (209)467-1006 FAX (209) 467-1118 TOTAL DEPTH 75'
<br />' Project NATIONAL FREIGHT Date(s) Drilled 14 and 15 February 2002
<br /> 1 Project No AGE-NC-98-0497 Page 2 of 3
<br /> Depth Sampie slows PID Soil USCS Class and
<br />' ID (per 6") (ppm) Symbol Soil Description
<br /> ML SILT,low plasticity, low toughness,rmcaceous,trace of fine sand,moderate brown,
<br /> _ damp,hard,80%recovery
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<br /> -30— B 1-30 12/20/32 0
<br /> 1
<br /> CL SILTY CLAY,medium plasticity,moderate toughness,dark yellowish brown,damp,
<br />' hard,70%recovery
<br /> -35 BI-35 15/23/43 0
<br /> ML SILT with SAND,approximately 25%fine sand,micaceous,moderate yellowish
<br /> brown,damp,hard,40%recovery
<br /> -40— B 1-40 43/50-6 0
<br /> ,/72' CL LEAN CLAY,medium plasticity,high toughness,moderate brown,damp,hard,50%
<br /> recovery
<br /> -45 B 1-45 49/50-6 0
<br /> ' SM SILTY SAND,fine sand, approximately 20%fines,moderate yellowish brawn,
<br /> moist, dense to very dense,70%recovery
<br /> ' -50 SI-50 I7/24/35 0
<br /> ' CL LEAN CLAY,moderate plasticity,moderate toughness,moderate yellowish brown,
<br /> damp,hard,70%recovery
<br /> ' 5.5 B1-55 12/18/29 0
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<br />' CL LEAN CLAY,medium plasticity,medium toughness, light yellowish brown,moist,
<br /> hard, 100%recovery
<br />�' -60] BI-60 26150-6 0 FA I
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