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02/24/2004 14:09 530676600 STRATUS NO CALIF • PAGE 15/17 <br /> SOIL BORING LOG Boring No. B-40 Sheet 6 of 8 <br /> Client Arco Station 6100 Date V1912004 <br /> Address 25775 Patterson Pass Road Drilling Company Gregg Drilling rip type: Mobile DR013-80 <br /> Tracy,CA Driller Chris <br /> Project No. U6100 Method Mud Rotary hole diem: 5" <br /> Logged By! Scott Biltin er <br /> .wall <br /> gam b 91pW mn k' COnslruc <br /> LITHO ee6oap4oh <br /> 6s:,oF Meferfals ;PIO <br /> Na. Count :'Slme, ReenQ.7iL Scale. COLUMN arc Cenb,Wns ' iRfA <br /> —__ _•_ _ 101 __- <br /> ML SILT 107104',light olive brown,1-2%very fine grained sand,dry,hard <br /> 102 __••_--,,-------- <br /> S 640.103 14:42 103 ----•----- ---------- -----, 206- <br /> • ML SANDY SILT 104'-104.9,olive brown,20.50%fines,moist varystiff _ <br /> Y S 840.105 14:52 los SM SILTY SAND 104.5'•105.2',olive brown,$0,70%fine grained sand,moist, 124 <br /> _ dense <br /> •--'_____.-...."......__.._.- ___ - <br /> ML SILT 1052'•107,5',olive brown,dry,ha d <br /> 107 <br /> YS 540-108 1_4:58 toe - _ 136 <br /> -- -'"-- ML SILT 1075-109',dark yellowish brown,YnI black manganese axlde <br /> roe stains,d ,ve stili <br /> 110 ML SILT 109'-113.5',light olive brown with white caliche,trace black <br /> ..." —_ —_ ___ __. <br /> - manganese oxide stains 109'-111.5',dry,hard <br /> 112 <br /> S 640.113 15:16 its 240 <br /> 114 <br /> -•••-- ML poor recovery 113.3-918',soil recovered was SILT,dark yellowish <br /> ,1s brown tv light alive bmwIAh black manganese vmde stains,dry. _--- <br /> _ very Siff <br /> 117yell ..._-- <br /> _ 114 ML SILT 176L--120',dad owish brown m d ve brown_dy_hard <br /> S 940.119 15:35 119 <br /> 120 <br /> Commence: <br />