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SAMPLING BORING B-3 <br /> w w <br /> DATE DRILLED: 9/27/89 <br /> w <br /> U. w <br /> z z <br /> CL <br /> CL a w <br /> J J H J <br /> _ a w a <br /> LU <br /> U) U) o= cn SYMBOLS DESCRIPTION <br /> OF 0 CL GRAYISH BROWN SILTY CLAY, mottled,with white specks;hard white concretion <br /> (moist)(hard) <br /> 1 <br /> 5 <br /> 1 U 34 <br /> ,o <br /> U 56 ML BROWN CLAYEY SILT with white crystalline forms, macro pores(moist)(crumbly) <br /> 15 U 52 Becomes clayier with black specks and orangish mottling <br /> LI <br /> 1 20 ML BROWN CLAYEY SILT TO SILTY CLAY with black and orange mottling,some <br /> J U 31 CL sand(moist)(stiff) <br /> 25 U 41 <br /> Becomes greenish gray with white mottling and fissures(medium stiff) <br /> NOTES: <br /> 1. Boring completed at a depth of 26.5 feet on 9/27/89. <br /> 2. Sampling resistance is measured in blows per foot required to drive the sampler <br /> 12 inches with a 140 lb. hammer falling 30 inches after sampler has been seated 6 inches. <br /> 30 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 /> 35 <br /> 1 1 <br /> LOG OF BORING <br /> Dames & Moore <br /> 18025-002-044 PLATE A-3 <br />