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SOIL BORING LOG Boring No. B=47 Sheet•f 5 <br /> Client Former Arco Station 6100 Date 11/17/2005 <br /> Address 25775 Patterson Pass Road Drilling Company Gregg Drilling <br /> ria NPe: Mobile Drill B-80 <br /> Tracy,CA Driller Chris St.Pierre <br /> Project No. U6100 Method Mud Rotary hole diam: 5" <br /> Logged By: Scott Bittin er <br /> Sam le Slowfl <br /> Sam Is Well Depth <br /> Construc LITHO Descriptions of Materials PID <br /> T e No. Counime Recov. t. Scale COLUMN and conditions <br /> _ S - M SAND with SILT 120'-122.5',very dark grayish brown,94%fine grained PPM <br /> -----------------__ ________ 121 sand,6%fines,damp mediumdense <br /> _ __ ___ __ _-- S -647-122 3:24__ __ _ 122 <br /> ____ ------__ ______ 123 <br /> ____________ _______ --------- 124 SM SILTY SAND,very tlark grayish brown_75%fine gained sand,25°h <br /> S 847-124 13:30 "'"----_—--'- - <br /> _ fines,moist(122.5'-125') -' "'—'—'— ------- <br /> _-_ 25 <br /> _________________________________________________ _________ ________ <br /> _ Santlstone/cemant ed sand encounteretl at 125'. Unable to further <br /> ____________________ ---------__ _____--- _________ core. Borehole terminated <br /> ______________-------- ____________ ________I _________ <br /> ______________ -----_____ ________ ________ <br /> Comments:total depth of borehole is 125'bgs <br />