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SOIL BORING LOG Boring No B-37 Sheet 4 of 7 <br /> Client Arco#6100 bate 9/6101 <br /> Address 25775 Patterson Pass Road Drilling Company Western Strata Exploration rig type Mobile Drill B-61 <br /> Tracy,CA Dnller Gordon Jensen <br /> Project No D000-340-01 Method Mud Rotary hole diam 5 5" <br /> Logged By Scott Bittinger T <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 /> fi 1 <br /> _ ML SILT light brown with yellow staining trace white caliche damp <br /> 6 2 medium stiff <br /> 6 3 <br /> _ ML SILT light brown moist medium stiff <br /> 6 4 <br /> _-_S-- B37-65 -__1045 _--_--_- 6 5 ML SANDY SILT light brown 30-40%fine grained_sand damp medium dense 218 <br /> ------------ — ----------------- <br /> 6 6 <br /> 10% 6 7 Soil stuck In core barrel 65'-70' Unable to log <br /> 6 6 <br /> 6 9 <br /> _ Unsure of ML/SM contact depth <br /> 7 a <br /> — SM SILTY SAND 70-74 light brown 25%fines loose,damp <br /> ------- --------------------------------------------- 7 1 ------`-------------------------------------------------------------------------------------------------- <br /> -49------------------------------------------------ 7 2 <br /> 7 3 <br /> 5--- ---------------------1337-74 11 20 --------- <br /> 7 4 _______________________ 8_6_ <br /> ----- --------- ------- <br /> _ SP SAND light brown,5-8%fines damp,loose <br /> 7 5 <br /> 7 6 <br /> 5% 7 7 Soil stuck in core barrel 75'-80' Poor recovery_____________________ <br /> -------------------------------------------------------- a <br /> — ---------------------------------------------------------------------------------------------------------- <br /> 7s <br /> ----------------------------------------------------- — ----------------------------------------------------------------------------------------------------------- <br /> e o ML SANDY SILT in shoe 25%fine grained sand dry hard 228 <br /> Comments <br />