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SOIL BORING LOG Boring No B-38 Sheet 3 of 7 <br /> Client Arco#6100 Date 9/7/01 <br /> s 25775 Patterson Pass Road Drilling Company Western Strata Exploration rig type Mobile Drill 8-61 <br /> s 1 <br /> Trac CA Driller Gordon Jensen <br /> Project No D000-340-01 Method Mud Rotary hale diam 5 5' <br /> Logged By Scott Bitten er <br /> Sample Blow Sample well Depth Descriptions of Materials PID <br /> Construc LITHO <br /> Type No Count Time Recov t Scale COLUMN and Conditions PPM <br /> a ML SILT olive brown with yellow and reen stainin moist <br /> ----------------------------------- - - ------ — ------------------------------------------------------- ----- -------------------------------------- <br /> -- 4 2 <br /> 4 3 <br /> 4 4 <br /> ------- --------------- - a 5 187 <br /> 4 6 <br /> 4 7 <br /> _I_________ 4 8 <br /> _ SM SILTY SAND light brown 15-30%fines,damp <br /> 4 9 <br /> _ SAND fine grained,5-10%fines,damp medium dense <br /> - 8---- 1338.50---------------------8 50 - 5 0 <br /> — -------------------------- <br /> ------------------------------------------------------------------------ --133 <br /> ------ <br /> 5 1 S M SILTY SAND olive brown 20-25%fines moist <br /> ------------------------------ 5 2 <br /> _ SP SAND dark brown fine grained 1-2%fines loose <br /> 5 3 <br /> 20% — Incomplete recovery <br /> 5 4 <br /> 5 5 <br /> -------- <br /> ---------------------- ---- ------------ ------- — --------- - - ----------- ----------------------------------------------------------------- -------- <br /> ML SILT with white caliche and yellow staining,dry hard <br /> 173 <br /> — ML SANDY SILT fight brown with yellow and green staining 15-25%fine <br /> -------------------- 5 7 _qrained sand_damp-- - ----- <br /> 5 8 <br /> 5 9 <br /> — ML § T,light brown with green staining damp <br /> 5 0 42 <br /> Comments <br /> • <br />