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SOIL BORING LOG Boring No B-47 Sheet 4 of 5 <br /> Client Former Arco Station 6100 Date 11/17/2005 <br /> AV 25775 Patterson Pass Road Drilling Company GreggDrilling rig a Mobile Drill 13-80 <br /> Tracy CA Driller Chris St Pierre <br /> Project No U6100 Method Mud Rotary hole dram 5" <br /> Logged By Scott Bittinger <br /> Sample Blow Sample well Depth Descriptions of Materials PID <br /> Construe LITHO <br /> Type No Count Time Recov t Scale COLUMN and Condibons PPM <br /> 101 ML CLAYEY SILT 100-104' olive 1-7%very fine gained sand trace <br /> cementation and manganese oxide staining moist medium stiff <br /> _-- <br /> S 847-103 12 20 103 onlyparlial recove 102 5'-105 0 <br /> 104 ''-------- -- - <br /> 105 <br /> _ ML CLAYEY SILT 105-107 5 olive 0-3%very fine grained sand trace <br /> SB47-106 1225 105 cementation and manganese oxide staining moist medium stiff -0___ <br /> 107 -------------------- ------------------------------------------------------------ <br /> 1oa ML SANDY SILT 107 T-109 olive brown 50%silty fines 50%very fine---________ <br /> ---------------------- ------------------------------- <br /> _ grained sand partially cemented moist <br /> S 647-109 1237 los <br /> ------- --1347------ --------- - `-------' --- ------------------------- -------------------------------own-90%-clayey-------------------- <br /> _ ML CLAYEY SILT with SAND 109'-710 5 light olive brown 90%clayey silt 0 <br /> 110 10%sand moist <br /> 111 ---`..»__—_---------------------"----------------------------------_----- <br /> _ 5M SILTY SAND dark grayish brown 70%fine grained sand 30%fines <br /> B47-112 1250 112 moist medium dense(110 5':113) ----------------------------------__ <br /> 113 ---- --------------------------------------- <br /> S 1347-114 1300 114 SP-SM SAND with SILT 113 5'-116' dark gravish brown--90-92%fine rained --0 -_ <br /> _ sand B-10%silty fines moist,medium dense <br /> 115 ---'-----------------'------------------------------------------------------------ <br /> -------------------`-----------------------------`» ---------------------- <br /> 116 -----------'--'------'----------------------------—-------- -----`— <br /> S B47-i 16 13 O6 _ 0 <br /> 117 SM SILTY SAND dark grayish brown trace cementationmoistto damp _ _ <br /> - -------------------------------------------- - — » ( - -- <br /> medium dense(1116'-120) <br /> 116 --------"------ <br /> 119 -------`-- ------- __"'-_'_ <br /> S B47-119 1312 0 <br /> 120 <br /> Comments <br />