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414��-.ETIC <br />CLIENT <br />ExxonMobil Oil Corp, <br />SITE NUMBER <br />99 -CAS <br />LOCATION <br />75 East Alpine Avenue <br />ENGINEERING <br />Stockton, California <br />INCHES <br />LOG OF SOIL BORING: <br />W > <br />' pW <br />WW <br />z <br />J,�i.aW <br />Z <br />MW3 <br />O <br />3.2 <br />0 <br />DJQ <br />K W <br />p D! <br />mN <br />06 <br />Ob <br />¢im¢ <br />U'J <br />20 <br />17 <br />18 <br />38 <br />ML <br />50@5" <br />Cement Grout <br />17 <br />from surface to 26 <br />feet bgs <br />19 <br />POORLY GRADED SAND - yellowish brown <br />17 <br />17 <br />tSP <br />- <br />(10YR 516), very dense, fine grained, moist, slightly <br />30 <br />cemented. <br />SILTY CLAY -dark yellowish brown (10YR 4/6), <br />50@5" <br />--27— <br />1 <br />hard, moderate to low plasticity, moist, some <br />structure and cementation. <br />C <br />29 <br />16 <br />16 <br />CLAYEY SILT - light olive brown (2 5Y 513), hard. <br />31 <br />21— <br />low plasticity, moist. <br />5D@4' <br />2 -Inch diameter <br />Schedule 40 PVC <br />Riser Casing from <br />Original Grade to <br />30 feet bgs. <br />28 <br />1 <br />1 <br />38 <br />50@6" <br />ML <br />4 <br />24 <br />2 <br />11 <br />17 <br />17 <br />29 <br />26- <br />50@5' <br />7.1 <br />Bentonite Chips <br />27 <br />SILTY SAND - light olive brown (2.5Y 513), very <br />from 26 to 28 feel <br />bgs_ <br />- <br />dense, fine grained, moist, partially cemented <br />22 <br />—17--17--- <br />25 <br />SM <br />50@Y <br />8.3 <br />2 <br />SILTY CLAY - light olive brown (2 5Y 5/3). hard, <br />z <br />low plasticity, moist. <br />#2112 Sand Filter <br />' <br />CL <br />Pack from 28 to 45 <br />feet bgs <br />3 <br />12 <br />g 18 <br />18 <br />/ <br />27 <br />31 <br />- dark grayish brown (2.5Y 412) <br />2 <br />N <br />37 <br />SILTY BAND -dark grayish brown (2 5Y 412), very <br />10 6 <br />dense. fine grained, moist. some cementation <br />2 -inch diameter <br />_ <br />3 <br />SM.: <br />0 010 -inch Slot. <br />40 PVC <br />Screen from 30 to <br />oSchedule <br />z <br />rc <br />CLAYEY SILT- dark grayish brown (2.5Y 412). <br />45 feel bgs. <br />m9 <br />hard. low plasticity, moist <br />Threaded PVC cap <br />N-18- <br />18 <br />18 <br />MLI <br />a145 feet bgs <br />15 <br />$ <br />Ij <br />u <br />0 <br />Pane ? of 3 <br />