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SOIL BORING LOG Boring No B-36 Sheet 4 of 7 <br /> Client Arco#6100 Date 9/5/01 <br /> Address 25775 Patterson Pass Road Drilling Company+Western Strata Exploration rig type Mobile Drill B-61 <br /> . Tracy,CA Driller Gordon Jensen T <br /> Project No D000-340-01 Method Mud Rotary hole diam 5 5" <br /> Logged By Scott Bittinger <br /> Sam le Blow Sam ie well Depth Descriptions of Materials PID <br /> Construe LITHO <br /> Type I No Count Time Recov t Scale COLUMN and Conditions PPM <br /> 6 1 <br /> 6 2 SM CEMENTED SILTY SAND light brown hard <br /> s 3 ML SANDY SILT-light brown reen stainin 20-40%fne rained sand <br /> _ moist <br /> 6 4 <br /> ML SILT,light brown with white caliche and green staining dry 428 <br /> S 636-65 11 50 s 6 <br /> 6 fi <br /> _ ML SILT light brown,5-10%fine grained sand,moist <br /> s <br /> 6 6 <br /> 6 4 <br /> S 636-70 11-55 7 0 386 <br /> 7 1 <br /> 7 2 <br /> ------ ------ -- - -- -- -- --- ------------------------------- --------------------------- ------`-'--------------- '---- <br /> ML SANDY SILT,light brawn trace black manganese 30-40%fine grained <br /> 7 3 sand moist <br /> ----------------------------------------------------- — --------------------------------------------------------------------------------------------------------- <br /> 7 4 <br /> ---SS B36-75 12 02 7 6 <br /> -----B36-75-------------------2 02 --------- — --ILTY------D-Ii-ght--rown__40-50 ----------------------------------------------------------- 7 <br /> _ SILTY SAND fight brown 40-50°/a fines moist 127 <br /> 7 6 <br /> 10% 7 7 poor recover 75.80----- ----- -------------------------------------------------------------- <br /> --------------------------- 7 6 CEMENTED SAND reported-bydriller 75-80 <br /> t3 <br /> ----------------------------`------ --- <br /> ---- --------- 7 --- ------ --- <br /> 8 0 <br /> Comments <br />