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SAMPLING BORING B-2 <br /> DATE DRILLED: 9/26/89 <br /> w w <br /> LU °- <br /> w w <br /> z o= za w <br /> LU <br /> J J J <br /> o_ m m5 <br /> LU U) U) cc U) SYMBOLS DESCRIPTION <br /> 0 CL BROWN SILTY CLAY with some orange and black mottling(moist)(very stiff) <br /> 5 U 39 <br /> ML BROWN SILTY CLAY TO CLAYEY SILT with some light tan mottling;micaceous; <br /> CL occasional macro pores(hard) <br /> 10 U 52 <br /> 15 U 39 Grades with some orangish and reddish brown mottling,occasional black specks <br /> ML BROWN TO OLIVE-GREEN CLAYEY SILT TO SILTY SAND{very fine, micaceous <br /> G,...-......_ M <br /> 20 U 45 SM (wet) O O(o <br /> NOTES: <br /> 1. Boring completed at a depth of 21.5 feet on 9/26/89. <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 /> 1 1 <br /> LOG OF BORING <br /> Dames & Moore <br /> 18025-002-044 PLATE A-2 <br />