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SOIL BORING LOG Boring No B-48 Sheet 5 of 5 <br /> Client Former Arco Station 6100 Date 1 1/2 112 005 <br /> AJ& 25775Patterson Pass Road Drilling Company GreggDrillingri a Mobile Drill B 80 <br /> Trac CA Driller Chris St Pierre <br /> Protect No U6100 Mothnrf Mart Rntary finis dram 5" <br /> Logged By Scott Blttinger <br /> Sa is Slow Sarre le Well Depth Descnptkmm of Matamis PID <br /> Construc LRNO PPM <br /> TvDe No Count Time Recov L Scale COLUMN and Conditions <br /> SM SILTY SAND 120-121 5' very dark grayish brown 85%fine grained <br /> _ 121 sand 15%fines trace cementation damp medium dense <br /> S 548 123 10 45 cemented material plugged sampler No recovery 121 5-122 5 0 <br /> i22 <br /> 123 ---'-------�""--------- -�--- <br /> _ 5M SILTY SAND olive brown to very dark grayish brown 65-75°/a me <br /> S B48-124 1055 124 gamed sand 25 %silty fines trace cementation-moist medium dense_-- 0 <br /> --- _ (1225-1265) <br /> 125 — <br /> ---- 126 ---------------------------------------- <br /> -------------------- -- <br /> -------------__------------- 0 <br /> 5 B48-126 1100 <br /> 127 SAND with SILT 126 5-130 very dark grayish brown-90.95%fine-- _---_____ <br /> ------- ---- --- ----- --' ----- ----- -- grained sand ----- <br /> _ SP-SM grained sand 5-10%fines trace cementation 126 5'-127 5' damp to <br /> 128 wet,medium dense-------------------------------------------------------------------------------- <br /> ---------------------- ----------- <br /> 0 <br /> ---5 --648129- ------------- 11 06 129 ----------------------------------------------------------------------------------------------- ---- <br /> 130 ------------------------------- <br /> - 131 - <br /> --- ------------- ---- ML SILT with CLAY tight olive brown,trace cementation dry to moss <br /> B48-131 11 13 132 very stiff(130__133') --------------_-------------- 0 <br /> 133 <br /> -- grained <br /> -- %---------------- <br /> S B48-133 11 20 _ SILTY SAND 133-134 light olive brown fi0/°fine rained sand 40/° <br /> 134 SM--.silty fines motst ------------------------------—------------------------------------ <br /> ----------------------------------------------------------- <br /> 135 ----------------------------------------------------'---------------------------------------------- <br /> _ ML SILT light olive brown, 1-7%very fine grained sand dry very stiff <br /> 136 X134_136'�----------------------------------------------------"---------------------- ----- <br /> S 848137 1130 137 - <br /> _ ML SILT,fight olive brown,trace white caliche dry,very stiff{136'-140} <br /> 138 ----------------------------------------- -------- <br /> 139 ------------------------------------------- <br /> 140 <br /> Comments total depth of borehole is 140 bgs <br />