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SOIL BORING LOG Boring No B-39 Sheet 7 of 8 <br /> Client Arca Station 6100 Date 2118/2004 <br /> ®r,(,j <br /> es25775 Patterson Pass Road Drilling CompanyGregg Drilling rig type Mobile Drill B-80Tracy,CA Driller Chris <br /> ct No U6100 Method Mud Rotary hole diam 5" <br /> Logged By Scott Bittinger <br /> Sam le Blow Sample Well Depth Descriptions of Materials PIC, <br /> Construe LITHO <br /> Typo No Count Tlme Recov t Scale COLUMN and Conditions PPM <br /> --------------------------------------------------------- 121 M L -SI-LT-120--123 5--light olive brown_1_3%a very fine grained sand_trace --_ - <br /> clay dry <br /> 122 <br /> 123 <br /> -------- 12a M SILTY SAND 123 5 123 9 light olive brown 60-70%fine grained sand <br /> -- ------ `- - - - --- ------ - - -- -- --- ---- ---------- - <br /> _ 30-40%fines dry,dense <br /> 5 839-125 1115 125 nla <br /> ------- 126 ML lioive brown y -------------------- <br /> ----------------------------------------------- - ---SILT---- sht-- ldrstiff ------------------------- <br /> -------------------- <br /> 127 <br /> 128 <br /> 129 <br /> _ S 639-130 1130 130 ML SILT, light olive brown <3%fine grained sand 129'-131',dry 0 <br /> 134 <br /> 132 ML SILT 131-138 5 h ht olive brown,trace cla white caliche resent <br /> - - -------------- <br /> _ from 135-135 5' dry <br /> 133 <br /> 134 <br /> S 639-135 1140 135 0 <br /> 136 <br /> 137 <br /> 138 <br /> S B39-139 1152 ___ ___ ]141 <br /> ML SANDY SILT 138 5.140'_Baht olive brown__25-30%o fine-grained sand__________ 0 <br /> ---------------------- ------------- ------ -------------------- -moist <br /> Comments <br /> • <br />