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SOIL BORING LOG Boring No. B-4 Sheet 2 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 Bittin er <br /> Sample Blow Sample Well Depth Descriptions of Materials PID <br /> Construc LITHO <br /> Type No. Count Time Recov. t. Scale COLUMN and Conditions PPM <br /> S B4-20 15:31 100 SAND,fine grained,no fines,dry,loose 0 <br /> ------------ --------------------------------------- 2 1------------------------------------ — <br /> --------------------------------------------------- —2 2 <br /> -------------------------------------------------------------------------------------------------------------- <br /> --------------------------------------- 2 3--------- — -------------------------------------------------------------------------------- <br /> -------- --------------------------------------- <br /> 2 4 <br /> -------------------------------------------------------------------------------------------------------------- <br /> - — <br /> 8 _ <br /> 16 2 5 SP SAND 24'-25.5',fine grained,no fines_dry_loose ____________________---------- <br /> --------- <br /> _________ <br /> ------- --------------------------------------- — --------------------------- <br /> S B4-25 18 15:38 100 _ <br /> 2 6 CL SILTY CLAY 25.5,grayish brown,dry_stiff _____________ _____----------- <br /> ----------------------------- <br /> ------------------- <br /> ______ <br /> -------- ---------------------------------------- <br /> -------------------------- ---- <br /> 2 7 <br /> ---------------- <br /> -------- 2 S---------------------------------------- — --------------------------------------------------------------------- <br /> 2 9 CLAYEY SILT with SAND 29'-29.7',grayish brown with iron oxide stains, <br /> -------- -------------------------------- — <br /> ------------------------------------------------ ---- <br /> ff <br /> 14 _ ML 2-15%very fine grained sand,damp,-S-t-I <br /> S 84-29 32 15:45 70 3 0 <br /> - ------------------------------------------------------------------------------ <br /> -------- ----------------------- — -------------------------------- <br /> 35 _ <br /> SP SAND 29.7'-30',very fine grained,3%fines,dry,loose <br /> 3 1 --------------------------------------- <br /> 3 2 <br /> ----------------- <br /> -------- ---------------------------------------- 3 3— <br /> --------------------------------------------------------------------------------------------- <br /> 3 4 -------- <br /> ------------------------------------------------------ — <br /> 12 _ <br /> 163 5 SP SAND_fine grained,1%°fines,dry,loose ___________________________________________.....__-_ <br /> ---- ---- ----------------------------------------- — --- - <br /> S B4-35 24 15:54 100 _ <br /> 3 6 ----------- <br /> ------------------- <br /> -------- <br /> ------- --------------------------------------- — <br /> 3 -------- ---------- <br /> ------- --------------------------------------- — <br /> 3 8 -------- <br /> -------- ---------------------------------------- — <br /> ----------------------------------------------------------------------------------------------------- <br /> 3 9 <br /> ---- -------- — 0 <br /> 15 _ SP SAND,fine grained,2-5%fines,dry,medium dense <br /> S B1-39 23 16:00 60 4 0 <br /> Comments: <br />