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SOIL BORING LOG Boring No MW-7 Sheet 4 of 4 <br /> Client Arco Station 2186 Date 8113101 <br /> Address 3212 North California Street Drilling Company Woodward Drilling Company rig type BK-81 <br /> Stockton,CA Dnller Frank Ramirez <br /> Pr* <br /> r No D000-330 Method Hollow Stem Auger hole dram 8" <br /> Logged By Scott Bittinger _ <br /> Sample Blow Sample Depth HO Descriptions of Materials PID <br /> LIT <br /> T We <br /> Type No Count Time Recov Constructll Scale COLUMN and Conditions PPM <br /> 36 _ <br /> S------ MW7_61 50 1015 50_ s 1 ML CLAYEY SILT light brown with orange_mottles <5%fine_grained sand _ <br /> _ moist hard <br /> -------- ----------- 6 2----------------------- --------- — -------------------------------------------------------------------------------------------------- --------- <br /> -------- ----------- --------------------- --------- 6 3-- -------------------------------------------------------------------------------------------------- --------- <br /> 6 4 <br /> 6 5 <br /> 21 _ <br /> S------ MW 7.66 - 5---------- -- --- --- <br /> 0 10 22 60 6 6 ML CLAYEY SILT,light brown with orange-mottles,-----5- %fine grained sand 1 <br /> ------- --- — ---------------------- ---------- 7---------- ----------- --------- <br /> _ moist,hard <br /> B 7 <br /> 6 6 / <br /> --------- <br /> -------------------- 6 9 <br /> -------- ----------- ---------------------- --------- 7 U— ----------------------------------------------------------------------------------------------------------- <br /> M-W7-71 10 30 50 7 1 SP SAND--medium-grained- ,no fines,wet, ----------------------------- <br /> loose 1 <br /> - -- -------- --------------------- --------- — -------- ---------- ----------------------------------- ------------ --------- <br /> 7 2 <br /> -------- ---------------------------------- --------- — ----------------------------------------------------------------------------------------------------------- <br /> 7 3 / <br /> ------------------- ------------- ------------------ 7 4 <br /> 7— ----------------------------------------------------------------------------------------------------------- <br /> 5 <br /> ------------------- ------------- --------- --------- — ------------------------------------------------------------------------------------------------- --------- <br /> 40 — <br /> S------ MW7_76 ___ 50_____ 10 38 - 50--- 7 6 ML SILT--red-brown-low percentage of clay damp very hard 1 <br /> - - - - - — ------ ---- -------- ------ ----------- --------- <br /> 7 7 <br /> 7 S / <br /> 7 S <br /> S MW6-811 1525 85 a o CL CLAY red brown,medium plasticity, moist,hard 1 <br /> Comments Total depth of boring is 81 feet bgs <br />