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CLIENT <br />SITE NUMBER <br />LOCATION <br />ETIRI <br />ExxonMobil Oil Corp <br />99 -CAS <br />75 East Alpine Avenue' <br />Stockton, California <br />INCHES <br />LOG <br />OF SOIL BORING: <br />w <br />ww <br />=_ <br />aaaw <br />i <br />MW1 <br />W O <br />> <br />O <br />U <br />24 <br />18 <br />13 <br />23 <br />1 <br />34 <br />9.6 <br />Cement Grout <br />17 <br />POORLY GRADED SAND - yellowish brown <br />from surface l0 26 <br />feet bgs. <br />(1 DYR 516), dense to very dense. Me grained, <br />13slightly <br />moist, some cementation <br />18 <br />18 <br />i..SP. <br />21 <br />42 <br />7 <br />1 <br />SILTY CLAY - dark yellowish brown (10YR 416), <br />hard, moderate to low plasticity, slightly moist <br />28 <br />10 <br />10 <br />50@4" <br />3. <br />2 <br />- <br />2 -inch diameter <br />Schedule 40 PVC <br />Riser Casing from <br />Original Grade to <br />3D feet bgs. <br />21 <br />11 <br />11 <br />50@5" <br />47 <br />24 <br />CLAYEY SILT - light olive brown (2 5Y 513). hard. <br />low plasticity, moist <br />26 <br />17 <br />17 <br />27 <br />2 <br />50(035' <br />'75 <br />Benlonite Chips <br />27 <br />from 26 to 28 feet <br />bgs <br />27 <br />12 <br />2 <br />2&- <br />50@6" <br />60 <br />211- <br />ML <br />#2112 Sand Fllter <br />'3 <br />Pack from 28 to 45 <br />feet bgs <br />q <br />50@6" <br />6 <br />6 <br />10.8 <br />31- <br />2 -inch diameter <br />0 014inch Slot, <br />3 <br />Schedule 40 PVC: <br />--- Screen from 30 to <br />i <br />m <br />45 feel bgs. <br />7 <br />Threaded PVC cap <br />w 1 <br />1 <br />33 <br />-al <br />45 feet bgs <br />19 <br />o <br />I <br />0 <br />Paae 2 of 3 <br />