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SOIL BORING LOG Boring No MW-8B Sheet 5 of 5 <br /> Client Arco Station 2168 Date 8180 <br /> Address 441 W CharterWay Drilling Company Woodward Drilling Company n BW-81 <br /> Stockton,CA Driller Van Leonard <br /> *ct No 0000-329-1 Method Hallow Stem Auger hole diam 0'-60'logs 16",60'-917 s 8' <br /> Logged By Steve Fischenich <br /> Sample Blow Sample Weill Depth Descriptions of Materials PID <br /> Construc LITHO <br /> Type I No Count Time 111i L Scale COLUMN and Conditions (PPM) <br /> 8 1 <br /> B 2 <br /> __ ------ ---- ----------------- 8 3 ----------------------------------------------------------- ------ ----- <br /> --- -------- ---------------- 8 4 --------------------------------------------------------------------------------------- ----- <br /> 30 30°,6 8 5 <br /> 50 for 4 _ ML SILT gray with white mottles,�1 O%fine grained sand,low plasticity 0 <br /> 8 6 moist <br /> 8 7 <br /> 8 S <br /> 8 9 <br /> _ ---26 - 921 - 35% s ❑ ML CLAYEY SILT gray,moderate plasticity,hard,moist _0 <br /> ------ - - — - - - -------------------------------- <br /> 50 for 6' _ <br /> 9 1 <br /> 9 2 <br /> 9 3 <br /> i <br /> 9 4 <br /> 9 5 <br /> 9 6 <br /> 9 7 <br /> 4 8 <br /> 9 9 <br /> 10 ❑ <br /> Field Location of Boring Comments Dnll plug became stuck at 82 feet bgs Driller added 20 gallons <br /> of barite drilling mud Well surged for 20 minutes <br />