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Whght Environmental Services Inc Exploratory Boring Log <br /> M & M Automotive — 60 E 10th Street Tracy, California <br /> Project No 4070—T <br /> Boring No . 9-7/IAW-3 Casing depth 17 feet <br /> Total depth of boring- 17 feet Casing diameter: 2 Inches <br /> Diameter of boring: e+ Inches Casing material: Sch 40 PVC <br /> Date drilled: 12-9-94 Slot size: 0.020—Inch <br /> Drflling method- Hallow—Stem Auger Sand size. No. 3 Sand <br /> Field Geologist: Screen interval: 7 feet to 17 feet <br /> 'nM£ Sampleil _o Depth USCS <br /> PID <br /> p Cade Description Well <br /> M Const <br /> 2 <br /> 903 4 4 Sllity clay, dark yellowish brown 10 yr 4/3, 70-80X clay; 20-30% slit; <br /> 6 trace very fine sand, stiff, damp <br /> 6 <br /> 909 $ 8 Sandy clay, yellowish brown 10 yr 4/3, 60-70X clay; 20-30% very fine to <br /> 9 10 fine sand; 10-20x silt; very stiff, damp to moist O bottom of sample <br /> 922 12 Same as above <br /> 0 3 <br /> 7 <br /> 14 <br /> 929 3 STify sand; dark greyish brown 1 oyr 72, 80-90X very fine to fir=e sand, <br /> 0 z 16 10-203 aft loQsa: wet <br /> Sandy clay, dark yellowish brown 10 yr 4/6, 80-70% clay, <br /> 20-30% slit; 10-20% sand very fine, firm, damp <br /> ]8 <br /> Bottom of boring 0 17 feet <br /> 20 <br /> 22 <br /> 24 <br /> 26 <br /> 28 <br /> 30 <br /> 32 <br /> 34 <br /> 36 <br /> 38 <br /> 40 <br /> 42 <br /> 44 <br /> 46 <br />