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<br /> Advanced BORING LOG
<br /> GeoEnvironmental, Inc. BOREHOLE NO. : B-4
<br /> 837 Shaw Road; Stockton, CA 95215
<br /> (209) 467-1006 FAX: (209) 467-1118 TOTAL DEPTH : 150t
<br /> Project: Stallworth Auto Sales Date(s) Drilled: 18 January 2006
<br /> Project No. : AGE-NC- 99-0682 Page 3 of 4
<br /> Depth Sample Blows PID Soil USCS Class and
<br /> ID (per 6") (ppm) Symbol Soil Description
<br /> - 80 B4 80 I (/15/17 CL: Gray, moist, SILTY CLAY, 10-15% silt, crumbly, moderate consistency, moderate
<br /> plasticity and toughness, HC staining and odor.
<br /> - 85- B4-85 8/7/15 SM: Gray, saturated, SILTY SAND, 15% silt, 85% fine sand, HC staining and odor.
<br /> CL: Gray, moist, CLAY, high consistency, high plasticity and toughness, HC staining and
<br /> odor.
<br /> 90 B4-90 4/7/12 CL: Cray, very moist, SILTY CLAY, 5-10% silt, 5% fine sand, high consistency, high
<br /> plasticity and toughness, HC staining and odor.
<br /> - 95 CL: Gray, very moist, SILTY CLAY, 5% course sand, moderate to high consistency,
<br /> B4-95 19/30/35 moderate plasticity and toughness, HC staining and odor.
<br /> - 10 B4-100
<br /> CL: Gray, very moist, SILTY CLAY, 10-15% silt, moderate consistency,. moderate
<br /> plasticity and toughness, HC odor.
<br /> CL: Brown, saturated, SILTY CLAY, truce gravel, 15% silt, moderate consistency,
<br /> moderate plasticity and toughness, HC odor.
<br /> - 10 B4-104.5 ML: Brown, very moist to saturated, SANDY SILT, 30% very fine sand, low consistency,
<br /> low plasticity and toughness, HC odor.
<br /> SM: Brown, saturated, SILTY SAND, 20% silt, 80% fine sand, some HC odor.
<br /> /ZxzzCL: Cnrzn blue, moist, SILTY CLAY, white precipitate, moderate consistency, moderate
<br /> plasticity and toughness, some HC odor.
<br /> - 11
<br /> 134-109 CL: Green blue, slightly moist, SILTY CLAY, 10% silt, high consistency,. crumbles,
<br /> white precipitate, some HC odor.
<br /> ML: Given, very moist, CLAYEY SILT, 20% clay, 10% very fine sand, moderate
<br /> consistency, tow plasticity and toughness, low HC odor.
<br /> 134-114 ML: Green, very moist to saturated, SANDY SILT, 25% very fine sand, moderate
<br /> - 11 consistency, low plasticity and toughness, low HC odor.
<br /> — ' SM: Gray green, saturated, SILTY SAND, 5% silt, 15% fine sand, 80% very fine sand,
<br /> — low HC odor.
<br /> B4-118.5 ==— ML/SM: Gray green, very moist to saturated, SANDY SILT and SILTY SAND, low
<br /> - 12 =_ : consistency, low plasticity and toughness, low HC odor.
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