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SOIL BORING LOG Boring No B-46 Sheet 3 of 4 <br /> Client Farmer Arco Station 6100 Date 11/16/2005 <br /> AS 25775 Patterson Pass Road Drilling Company GreggDrilling rig tyRe Mobile Drill B-80 <br /> TracV CA Dnller Chris St Pierre <br /> Project No U6100 Method Mud Rotary hole dram 5" <br /> Logged By Scott Bittin er <br /> sa Slow Sam le Weil Depth Descriptions of Materials PID <br /> Construc Lft Ii0 (PPM) <br /> T No Count Time Recov L Scale COLUMN and Candtbons <br /> a i SM ---_-- --- ---- -- - <br /> 0 <br /> S B46-81 1230 _ <br /> a 2 - ---- <br /> S 846-84 1238 a 4 SP-SM SAND wth SILT 83'-85 very dark ciravish brown 90-93%fine—_ ________ 0 <br /> grained sand 7-10%fines moist medium dense <br /> 8 s ML SANDY SILT 85-87 5 olive brown,60-75%silty fines 25-40%°fine _ ____ ________ <br /> ---- — ------------------------- - - <br /> - grained sand moss <br /> e7 --------------------------------------------------------------------— <br /> B ---------------------------------------------------- -------- <br /> ------- -------------------- ----------' <br /> SB46-89 12 50 a s SM SILTY SAND 87 5'-90+'--olive brown 70%o fine-grained sand_30%slltY_______ __-0___ <br /> ------- -- fines moist medium dense <br /> so ----------------------------------------------- -------- <br /> - 9 1 <br /> --- ----- -- --- CEMENTED SILTISILTSTONE clogged sampler at between approximately <br /> I <br /> 9 2 ,- ' 91'and 92 No recovery-until-92-5 ------------_-------------------------------------- --__--- <br /> - -------- -"'-""- _ SILT 92 5'-93 olive brawn,dry very stiff <br /> 9 3 ML SANDY SILT 93'-94 5' olive brown-75_85%silty fines 15_25%fine --- __ _--O__ _ <br /> ------------------------------------------- <br /> ------------------------------------- <br /> ---------------------- ------ --------- grained sand moist <br /> 5 B46-93 34 35 — <br /> 9 4 ----------------------------------------------- -------- <br /> s 5 SM SILTY SAND 94 5'-95 5' dark grayish-brown-65-75%fine grained-sand----------------- <br /> -------------------------------------- <br /> --- <br /> 25-35%fines moist <br /> -----'----------------------------- —--- - — - <br /> S B46-96 14 45 ML SILT 95 5 97 5' fight alive brown 0-15%very fine grained sand dry <br /> 9 7 fiery stiff —__ ------------------------------------ <br /> 9 <br /> -------------------------- -------- <br /> se ---------------------------------------- -------- <br /> ----------- -- <br /> --------------------------------------- <br /> 9 s ML SILT 97 5'-100 5' light olive brown_0.5%veryr fine grained sand dry <br /> ------------ — --------------- - <br /> -------- ---------- ------ --'-- very stiff <br /> 100 <br /> Comments <br />