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SOIL BORING LOG Boring No B-32 Sheet 5 of 10 <br /> Client Arco#6100 Date 8/25!00 <br /> ss 25775 Patterson Pass Road Drilling Company Water Development Corporation rig type Dresser DW-70 <br /> e 0 _ <br /> Tracy CA Driller Kevin Lewis <br /> Project No D000 340-01 Method Air Rotary Casing Hammer hole diam 10___ <br /> Logged By Scott Bittinger <br /> ample Blow Sample Well Depth LITHODescriptions of Materials PID <br /> C <br /> Type No Count Time Recov tonsfruc Scale COLUMN and Conditions PPM <br /> ----------------------------------------------------------- 8 1 <br /> _920 a 2 ML SANDY SILT light brown 20%fine sand --_-- - <br /> 6 3 <br /> -----------------"`-----------__-'_-------------------- <br /> -- ------------------`-----`--------------`----------------------_'-------------^----`---------- -------- <br /> _ SAND well graded cementation <5%fines loose moist <br /> 923 B 4 SW <br /> a s <br /> e s <br /> -------------- ^ 926 s 7 SM SILTY SAND,fine grained,15.20%fines-medium dense <br /> s s <br /> 940 s 9 SM SAND--fine-grained 10.15%fines- <br /> s o <br /> 3 <br /> s 2 SM SAND fine grained-10--15%o fines <br /> 9 3 <br /> 8 4 <br /> 9 5 <br /> ________ ____ 950 9 6 SM/ML SANDY SILT light brown fine grained 30 35%fines,dry —------------------------------- <br /> -------- <br /> 9 7 SM SILTY-SAND--moist-10%fines <br /> 9 B <br /> 9 9 <br /> S 832-100 1020 100 SM SILTY SAND fine grained light brown,25-30%fines dry 152 <br /> Field Location of Bonng Comments Reviewed By <br /> 935 add 10'rod at 88 At 100'drillers remove tri-cone bit and switch to <br /> a 5-cone open-throated bit This bit will allow samples to be taken without <br /> removing the drill rods <br /> i <br /> I <br /> i <br />