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SOIL BORING LOG Boring No. B-48 Sheet 2 of 5 <br /> Client Former Arco Station 6100 Date 11/18/2005 <br /> Ado 25775 Patterson Pass Road Drilling Company GregDn11ln n e Mobile Dnll t3-80 <br /> Tracy CA Driller Chns St Pierre <br /> Project No U6100 Method Mud Rotary hole diam 5' <br /> Logged By Scott Bittin er <br /> sample Biow sam le Well ruc Depth Descnpttons of Nlatenals Pm <br /> LTrK0 <br /> T e No Count Time Recov t Scale COLUMN and Conditions (PPM) <br /> SILT,light brownish gray trace whtte caliche and yellow stains 2-5% <br /> 6 t ML very fine grained sand dry very sttff(60 562 <br /> 6 2 -- <br /> -_ ML SILT light brownish gray to grayish brown trace white caliche and <br /> 3 ellow staining0-2%very fine grained sand�very stiff �— <br /> ----- -- -----------------------—--- ------- — <br /> (625-655') <br /> 6 4 ---- -------'-- <br /> 6 5 --»� _ --------------- -- <br /> 6 6 ML SILT,brownish gray with yellow staining,trace caliche dry very stiff <br /> ------------------------------- <br /> _ --- --------- -------- -- --- ------ _ ------ <br /> (655-735') <br /> 6 7 ------- -------- <br /> 6 a ------------ ---------- --- ------ <br /> 6 9 --------------------------- -------- <br /> 7 0 ---------------------------- <br /> 7 1 -----—---------------------------------------------- <br /> 7 2 ----------------------------------------- --------- <br /> 7 3 ------------------------------------------------------------- <br /> ------------------ <br /> a ML SILT with SAND light brownish dray 3:8%very fine drained sand dry_________________ <br /> - ----- --- ------- ------------ ---- �_ very stiff(73 6-76 5') <br /> 7 5 --------------------------------------------------—-------------------------------------------- --------- <br /> 7 6 - -------------------------- ---- ----- <br /> 7 7 SILTY CLAY light olive brown trace white caliche and black manganese ____ <br /> ------------------------------------ — ------------------ <br /> i (7 <br /> -- ----- - CL oxide stains 1-3%very fine grained sand,moist,medium stff 6 5') <br /> 7 6 ------------------------------------------------------ <br /> 7 s SM? no recovery 7-7-5-'-to 80' ___----_____ ______—-----_�__—__-___ <br /> eo <br /> Comments <br />