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SOIL BORING LOG Boring No B-44 Sheet 3 of 4 <br /> Client Former Arco Station 6100 Date 11/U12005 and 11/15/05 <br /> Ad,* 25775 Patterson Pass Road Drilling Company Grepq Drilling n e Mobile DnIl B-80 <br /> Tracv CA Driller Chris SL Pierre <br /> Project No U61 00 Method Mud Rotary hole dram 5' <br /> Logged By Scott Bittinger <br /> Sample Blow le Well Depth Descriptions of Materials PID <br /> Construc LITHO <br /> Type No Count Time 1 Reeov t Scale COLUMN and Conditions FPM <br /> S 844-81 16 10 e 1 SM SILTY SAND 80'-84 very dark grey 80%fine grained sand 20%fines -_— 0 <br /> trace cementation moist dense — <br /> $ 2 - ---- --- — <br /> 8 3 <br /> S 1344-84 1635 8 4 0--- <br /> M L <br /> ML SANDY SILT 84'-8r olive brown 70-75%silty fines 25-30%fine - <br /> _ grained sand dry medium stiff <br /> s s <br /> S B44-87 8 00 s 7 <br /> _ s e SM SILTY SAND 87-90 5 alive brown 65%a fine grained sand 35% sdttr.......... <br /> _ fines,moist medium dense <br /> S B44-89 820 s 9 <br /> 0 <br /> s o <br /> 9 1 <br /> ML SILT 90 5-92' light olive brown 2-4%very fine grained sand,dry stiff <br /> s2 <br /> 9 3 <br /> _ ML SILT 92'-98' light olive brown 0-2%very fine grained sand,dry stiff <br /> S B44-94 840 s 4 <br /> 0 <br /> 9 5 <br /> 9 6 <br /> 9 7 <br /> s s SILTY SAND 98'-99' olive brown 60-65%fine-grained sand 35-40% ------------------ <br /> 855 _ SM silty fines moist 0 <br /> 9 9 SILT 99_99 5 partially cemented trace caliche <br /> ------------ ----- ------------ ------ ----- - -- - ---`----------------------------- -------- <br /> _ ML SANDY SILT 99 5'-100' dark grayish brown,60%silty fines 40%very <br /> loo fine rained sand moist hard <br /> Comments Drilled to 85 feet bgs on 11/14/05 Resumed dnlhng 11!15105 <br />