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*ETIC <br />ENGINEERING <br />Page <br />CLIENT <br />ExxonMobil Oil Corp. <br />SITE NUMBER <br />99 -CAS <br />LOCATION <br />75 East Alpine Avenue <br />Stockton, California <br />INCHES <br />W > <br />>_ 0U <br />a a <br />N.�i <br />O2 <br />mvi <br />Z <br />¢ <br />'oa <br />=nK <br />a= <br />o= <br />w <br />- <br />vt <br />ai�� <br />S <br />" <br />�SPi �� <br />�� <br />LOG OF SOIL BORING: <br />MW5 <br />35- <br />37 <br />3 <br />40- <br />41 <br />4 <br />4 <br />44— <br />4 <br />47- <br />4&- <br />47449- <br />49- <br />51- <br />515 <br />57— <br />SANDY CLAY - hard, low to moderate plasticity, <br />fine grained sand, moist. <br />- dark grayish brown (10YR 4/2) <br />SILTY SAND WITH CLAY - dark grayish brown <br />(10YR 412), dense, fine grained, moist to wet. <br />Boring terminated at 45 feet below ground surface <br />#2112 Sand Filter <br />Pack from 26 l0 45 <br />feel bgs <br />2 -inch diameter <br />0010 -inch Slot, <br />Schedule 40 PVC <br />Screen from 30 to <br />feet bgs. <br />Threaded PVC cap <br />at 45 feet bgs. <br />Borehole depth at <br />45 feet bgs <br />L46- <br />18 <br />18 <br />28 <br />CL <br />35 <br />42 <br />213 <br />16 <br />18 <br />2045 <br />:. I <br />SM:. <br />Y5 <br />28 <br />159 <br />6 <br />6 <br />50@6" <br />506 <br />Page 3 of 3 <br />