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SOIL BORING LOG Boring No B-46 Sheet 1 of 4 <br /> Client Former Arco Station 6100 Date 11/16/2005 <br /> s 25775 Patterson Pass Road Drilling Company GreggDrilling n e Mobile Drill B-80 <br /> Tracy CA Dnlier Chris St Pierre <br /> Project No U6100 Method Mud Rotary hole dram 5' <br /> Logged By Scott Bittinger <br /> Sample Blow Sample well depth Desrnptions of Materials PIA <br /> Construe LITHO <br /> Type No Count I Tema Recov It Scale COLUMN and Conditions PPM <br /> a t SM SILTY SAND 40-42 light olive brown trace white cabche 70-75% <br /> _ fine grained sand 25-30%fines dry medium dense <br /> 4 2 - --- - <br /> 4 s ML SILT 42-46' grayish brown with white caliche 0-5%ve fine rained _ <br /> --'---------------------- --------------- — -------- —-------------- ------' <br /> _ sand,dry very stiff <br /> 4 4 <br /> 4 5 <br /> 4 6 <br /> 4 7 ML SILT with SAND 46'-51' grayish brown no to trace caliche 5 10%ve�rr------ <br /> --------------------- -------------------------------- — ----------------- ---- - -------------- ---- -------- <br /> _ fine grained sand dry very stiff <br /> a 6 <br /> 4 9 <br /> 5 0 <br /> 5 1 <br /> 5 2 CL SILTY CLAY with SAND 51_54 5' grayish brown trace white caliche <br /> _ and yellow staining 3-5%very fine grained sand moist very stiff <br /> 5 3 <br /> 5 4 <br /> 5 5 <br /> _ ML SILT 54 5'-59' light brownish gray to grayish brown dry very stiff <br /> 5 6 <br /> ------- ---------- ------------------------------ —' -------------—--------'-----------------._....-»------------------------- `--0--' <br /> 5 B46-56 10 40 _ <br /> 5 7 <br /> 5 8 <br /> 5 4 <br /> ———----—----——----—--------------t------- —--—---—-------------------—---———----—--————--------------—---------------- <br /> _ SM SILTY SAND 59'-60 5 olive brown 80-85%fine grained sand 15-20% <br /> fi o fines dry,medium dense <br /> Comments No sod cores were retained from 0 to 40 feet bgs <br />