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SOIL BORING LOG Boring No B-39 Sheet 1 of 8 <br /> �lient Arco Station 6100 Date 211712004 <br /> Address 25775 Patterson Pass Road Drilling Company Gregg Drilling rig type Mobile Drill B-80 <br /> Tracy CA Driller Chris <br /> Project No LI6100 Method Mud Rotary hole dram 5' <br /> Logged By Scott Bittinger <br /> Well Pack sand ft to ft Well Construction casing screen _ <br /> bent ft to ft casing dram screen slot <br /> rout ft to ft Depth to GW ft Time/Date ft Time/Date <br /> Sample glow Sam le wail Depth Descriptions of Materials PID <br /> Constru LITHO <br /> Type No Count Time Recm ct Scale COLUMN and Conditions PPM <br /> _ Asphalt <br /> 1 <br /> --- ----- --- -------------------------------- -Road-Base--------------------------- ---------------------------------------- ---- ------------ <br /> — <br /> --- -- ----------- ------- ------ 2------- — ------------------------------------------------------------------------------ ---- ------------ <br /> 3 <br /> a CL SILTY CLAY Ii l)__greenish black and olive-brown-dry________________________ <br /> 5 <br /> —6 <br /> --- ---------------------------------- ------ — ---- --- --- --------------------------------------------------------------------------- ---- <br /> — <br /> ---`--- ----------------------------- ------- — 7 ---------- ----------- --------------- ---------------------------------------- ------------- <br /> — B <br /> ------- ----------------------------- ------ — ------------------------------------------------------------------------------------ ---------------- <br /> -9 <br /> S B39-10 1000 1 0 27 <br /> 1 1 <br /> 1 2 <br /> _ ML CLAYEY SILT greenish black dry stiff <br /> ------- ------------------------------- 1 3------ — ----------- ----------------------------------------------------------------- ------------------------ <br /> --B39---14 1010 1 4 65 <br /> _ ML CLAYEY SILT very dark brown 24%fine grained sand dry stiff <br /> 1 6 <br /> 1 6 ML SANDY SILT with CLAY 15-16 5 very dark brown to greenish gray trace <br /> --------- --- --------------------- — -------------------------------------------- ----------------------- --------- ---- <br /> white caliche 15-16' 20-40%fine grained sand dry <br /> S B39-17 1020 1 7 - SAND 16 5-17 5 fine to medium(trained trace fines,moist 33 <br /> t a M SILT with-CLAY-1 7 5-19 li ht olive ray with white caliche d hard <br /> 1 9 <br /> _ P SAND 19-19 5' fine grained 5-10°/q medwm g-r-a-in--o-Y snad moist <br /> S B39-20 10 25 2 0 11 <br /> Comments <br />