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SOIL BORING LOG Boring No B-35 Sheet 3 of 7 <br /> Client Arco#6100 Date 8129/01 <br /> Address 25775 Patterson Pass Road Drilling Company Western Strata Exploration rig type Mobile Drill B-61 <br /> Tracy,CA Driller Gordon Jensen <br /> Pr tect No D000-340-01 Method Mud Rotary hole diam 5 5" <br /> Logged By Scott Bittin er _ <br /> Sample Blow Sam le well Depth Descriptions of Materials Pita <br /> Construc LITHO <br /> Type No Count Time Recov t Scale COLUMN and Conditions PPM <br /> 4 1 <br /> ML SILT light brown with trace white caliche and yellow/green stains,dry <br /> a z <br /> a s 3 <br /> S 835-44 1250 4 a <br /> 4 5 <br /> 4 6 <br /> ______ 4 7 <br /> ML greater percentage of caliche 47-48 5 <br /> 4 <br /> a s <br /> 5 0 <br /> 5 1 <br /> 5 2 ML SANDY SILT 20-40%fine gained sand damp------------------------------------------------ <br /> -------------------------------------------- — ---- - ---- ------- ------------------- - <br /> 5 3 <br /> 5 4 <br /> 5 5 <br /> 5 B <br /> ------------------------------------------- --------- --- '- --- ---- --- - -------- <br /> ----SILTY SAND,olive brown, 10-50%fines sand is fine grained moist <br /> 5 7 <br /> S B35-58 _ 5 <br /> -S-------------------------------------7019 8-------- — ------- -- -------- --- `----------------- <br /> '------------ --- ---- - -- - - ---- <br /> _ SP SAND olive brown,fine grained 5 10%fines <br /> 5 9 28 <br /> S 635 60 8 19 6 o L SILT light brown and olive gray 5-10%fine grained sand dry-moist <br /> Comments Terminated drilling at 50 bgs on 8/29101 <br />