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SAMPLING BORING B-5 <br /> DATE DRILLED: 9/27/89 <br /> w w <br /> LL <br /> o_ <br /> w <br /> 01 <br /> Z z ¢ w <br /> uj <br /> uj CL <br /> a aw a <br /> o U) Cr. W SYMBOLS DESCRIPTION <br /> 0 OLIVE-BROWN SILTY CLAY with some tan mottling;some macro ores d (very <br /> J CL 9; P (dry)( ry <br /> Stiff) <br /> 5 U 50 <br /> 10 ML BROWN SANDY SILT,very fine,micaceous(moist) <br /> U 37 <br /> ML OLIVE-BROWN CLAYEY SO TO SILTY CLAY frith thin Wff* Wof si -gai Ctand <br /> 15 U 23 CL white and orangish mottling;strong odor 14- <br /> 20 <br /> 4- <br /> 20 3(p r_'V1 -W 4 <br /> U 36 Grades dark greenish gray with very strong odor(moist)(medium stiff) <br /> CL GRAYISH GREEN SILTY CLAY(moist)(very stiff) <br /> 25 <br /> 1 U 67 <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 Ib. 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 Class f!cation Chart and Key to Sampling, <br /> Plate A-8. <br /> 35 <br /> LOG OF BORING <br /> Dames & Moore <br /> 18025-002-044 PLATE A-5 <br />