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SOIL BORING LOG Boring No. B-4 Sheet 1 of 3 <br /> Client USA Station No.3756 Date 10/19/2006 <br /> Address 13975 Highway 88 Driller Mitchell Drilling Environmental rig type:CME 75 <br /> Lockeford,CA Drilling Foreman Ed Mitchell Jr. <br /> Project No. 2007-3756-01 Method hollow stem auger hole diam.: 8" <br /> Logged By: Scott Bittinger <br /> Sample Blow Sam le Well Depth Descriptions of Materials PID <br /> Construc LITHO <br /> -Type I No. Count Time Recov. t. Scale COLUMN and Conditions PPM <br /> asphalt surface <br /> — 1 <br /> ------------------------------------------------------ — ------------------------------------------------------------------------------------------------------------- <br /> — <br /> 2 <br /> ------------------------------------------------------ — ----------------------------------------------------------------------------------------------------I--------- <br /> 3 SW/GW SAND/GRAVEL-fill-material <br /> -------- ---------------------------------------- — ----------------------------------------------------------------------------------------------------------- <br /> — <br /> 4 <br /> ----------------------------------------------------- — ------------------------------------------------------------------------------------------------------------- <br /> 5 <br /> -------------------------------------------------- — -- ------------------------------------------------------------------------------------------------------------ <br /> 6 <br /> -------------------------------------------------- — -------------------------------------------------------------------------------------------------------------- <br /> — 7 <br /> -------------------------------------------------- — ----------------------------------------------------------------------------------------------------------- <br /> —8 <br /> ------------------------------------------------- — ------------------------------------------------------------------------------------------------------------ <br /> —9 <br /> ------------------------------------------------- — ------------------------------------------------------------------------------------------------------------- <br /> 18 _ <br /> 20 100-- 1 0 SP SAND,fine grained,1-5%fines,dry,loose <br /> -------- -------------------------------------- — ------------------------------------------------------------------------------------------------------------- <br /> S B4-10 28 15:17 _ 0 <br /> 1 1 <br /> -------------------------------------------------- — ------------------------------------------------------------------------------------------------------------ <br /> 1 2 <br /> -------- --------------------- 1 3------------------- — ------------------------------------------------------------------------------------------------------------- <br /> 1 4 CLAYE-Y-SAND--1-4-'- <br /> --14--'-14.5-- '-,-light- --olive- <br /> -brown,65%fine grained sand,35%p <br /> -------- ---------------------------------------- — ------------------ ------ --- -------------------------------- <br /> 15 _ SC clayey fines,damp,medium dense <br /> S B4-14 28 15:28 1 <br /> -------- -----------------------1528 ---50------ — 5 ------------------------------------------------------------------------------------------------------------- <br /> 32 _ ML CLAYEY SILT 14.6-14.8',light olive brown with iron oxide stains, <br /> 1 6 dry,stiff __ 0 <br /> -------- ---------------------------------------- — <br /> -------- ----------------------------------------- —t 7 ------------------------------------------------------------------------------------------------------------- <br /> 1 8 <br /> -------------------------------------------------- — ------------------------------------------------------------------------------------------------------------- <br /> 1 9 <br /> -------------------------------------------------- — ------------------------------------------------------------------------------------------------------------- <br /> 2 01 SP 0 <br /> Comments: <br />