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SOIL BORING LOG Boring No. B• Sheet 4•of 4 <br /> Client Former Arco Station 6100 Date 11/15/2005 and 11/16/05 <br /> Address 25775 Patterson Pass Roatl Drilling Company Gregg Drilling <br /> ria type Mobile Drill 8-80 <br /> Tracy,CA Driller Chris St.Pierre <br /> Project No. U6100 Method Mud Rotary hole clam.: 5" <br /> Logged By: Scott Bittin er <br /> Sam le Blow Sam le Well Depth Construe LRHO Descriptions of Materials PID <br /> T e No. Count Time Recov. L Scale COLUMN and Conditions <br /> PPM <br /> ________----_-------------------- --------- _________ 101 <br /> ML SILT 100'-107' light olive brown to da k yellow sh brown,trace caliche, <br /> --------------------------------------------- 102 drx 100'_106_ ois <br /> _mt 106'_107'_st'df___________- <br /> ______________________________ 103 <br /> 5 844__104________________16:25 104 <br /> —--------- ----—__----__------ _________ 105 <br /> ----------'----------------- -------------- 106 <br /> ------ ------------------------ 107 <br /> SM SILTV SAND 107'-108',olive brown,60°h fne grained sand,40%fines, <br /> ----------------------------------------------- los moist <br /> log ML SILT 108'-110',olive brown to light olive brown_trace cl2y_dry, <br /> S 844-109 --�-1s-_______ ___-_____-____—______--______ 0 <br /> stiff <br /> ____________________________________---__ 110 <br /> ------- --------------------------------------------- <br /> Comments:Total depth of boring is 110 feet bgs <br /> Dulled to 107.5'bgs on 11/15/05. Resume calling 11/1&05 <br />