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SAMPLING BORING B-4 <br /> DATE DRILLED: 9127189 <br /> uU1 � LU <br /> cc i¢ w <br /> Uj <br /> 'n <br /> N <br /> 2 <br /> o 0 LU ' SYMBOLS DESCRIPTION <br /> 0 <br /> CL BROWN SILTY CLAY with some sand(moist);very s1Hf) <br /> 5 <br /> U i 66 <br /> I <br /> - is U 4015• <br /> Grades micaceous with white mottling,black specks <br /> ML BROWN CLAYEY SILT with orangish mottlig,black specks;micaceous <br /> .]5 U 41 <br /> k" SM BROWN SILTY CLAYEY SAND,fine to medium III <br /> ' SC <br /> GREENISH Gr`IAY SILTY CI-AY,micaceous(most)(ml' <br /> i� NOTES: <br /> ;! r 1. Boring completed at a depth of 21.5 feet on 927/89. <br /> ' I 2. Sampling resistance Is measured In blows per foot required to drive the sampler <br /> 12 Inchas with a 140 lb.hammer falling 30 Inches after sampler has been ss,ted E Inches. <br /> 2 ;•; 3. Bot"rig log Indicates interpreted subsurface conditions only at the location and thu time the <br /> boring was drilled. <br /> E 4. For an explanation of terms used sea the Solis Class'rf!cation Chart and Key to Sampling, <br /> Plate A-8. <br /> 30 <br /> 351 <br /> LOG OF BORING <br /> �- Dames& Moore � <br /> 18025-002-044 PLATE A-4 <br />