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SAMPLING BORING B-4 <br /> DATE DRILLED: 9/27/89 <br /> LU w <br /> w o_ <br /> U- ZZ fn <br /> + H LU <br /> J Z <br /> CL d _ <br /> W 2 Cl) <br /> o U) U)¢ LU co SYMBOLS DESCRIPTION <br /> 0 <br /> CL BROWN SILTY CLAY with some sand(moist) (very stiff) <br /> i <br /> i <br /> 5 <br /> 1 U 66 <br /> 10 U 40/5" <br /> Grades micaceous with white mottling,black specks <br /> I <br /> ML BROWN CLAYEY SILT with orangish mottling, black specks; micaceous <br /> 15 U 41 <br /> -= <br /> SM <br /> BROWN SILTY CLAYEY SAND,fine to medium <br /> SC <br /> 20 U 35 CL GREENISH GRAY SILTY CLAY, micaceous (moist) (stiff) <br /> NOTES: <br /> 1. Boring completed at a depth of 21.5 feet on 927/89. <br /> 2. Sampling resistance is measured in blows per foot required to drive the sampler <br /> 12 inches with a 140 Ib.hammer falling 30 inches after sampler has been seated 6 inches. <br /> 25 3. Boring log indicates interpreted subsurface conditions only at the location and the time the <br /> boring was drilled. <br /> 4. For an explanation of terms used see the Soils Classification Chart and Key to Sampling, <br /> Plate A-8. <br /> 30 <br /> 35 <br /> LOG OF BORING <br /> Dames & Moore <br /> 18025-002-044 PLATE A-4 <br />