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SOIL BORING LOG Boring No. MW-9 Sheet 3 of 4 <br /> Client Arco Station 5469 Date 5/31101 <br /> Address 130 South Wilson Way Drilling Company: Woodward DrilliN Company rig type:BW-81 <br /> Stockton,CA Driller: Van Leonard <br /> Ot No. D000-336 Method Hollow Stem Auger hole diam.: 10" <br /> Logged By: Scott Bittin er <br /> Sam le Blow Sam le Well Depth Descriptions of Materials PID <br /> Construe LITHO <br /> Type No. Count Time Recov. t. Scale COLUMN and Conditions PPM <br /> 10 Q _ L SANDY SILT 40'to 40.2',brown,20-30%tine grained sand,wet 0 <br /> S MW9.41 ------15 9.34 100- 4 t CL CLAY 40.2'to 41.5',brown,moist,hard <br /> 23 _ <br /> 4z <br /> 4 3 <br /> -------- ---------- --------------------- --------- 4 4 <br /> _ 4 5 <br /> 20 <br /> S MW9-46 20 9:40-- 100 4 6 ML SANDY SILT,brown,20-30%tine grained sand,moist,stiff 0 <br /> 20 -- --- - — --`-`---------------------------------------------`----------- ---- <br /> --------------------------------- <br /> -------- -------------------------- -------------------- 4 7 -------------------------------------------------------------------------------- <br /> ----------------- -------- <br /> 4 8 <br /> --------- 4 9 <br /> 5 0 <br /> S - MW9.51 50-- 9:47 -70- 5 1 ML CLAYEY SILT,brown with white caliche,damp,very hard 0 <br /> 5 2 <br /> 5 3 <br /> ------------------------------------------------------ 5 4 ----------------------------------------------------------------------------------- <br /> 5 5 <br /> S MW9-56 - 50 10:00 40 5 e CL SILTY CLAY,brown damp,very hard- <br /> ---------------------------------------------------- 5 7 ------------------------------------------------------------------------- <br /> 5 8 <br /> 5 9 <br /> 6 0 <br /> Comments: <br />