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Page 3 of 3. SBOREHOLE NUMBER OIL BORING LOG <br /> AS-33 ENSR Corporation, Inc <br /> PROJECT NAME LOCATION 10411 Old Placerville Road <br /> Unocal No 5098 5606 Pacific Avenue Suite 210 <br /> 06940-294-120 Stockton CaliforniaPROJECT NUMBER Rancho Cordova, Ca 95827 <br /> 46940- <br /> 916-362-7100 <br />' www ensr corn <br /> Depth Graphic Blow Depth Sample OVM <br /> (feet) (continued) Log Visual Description Counts (feet) ID Values <br /> (ppm) <br />' Silty Sand(SM)with brown clay sand is 22 <br /> gray green wet 70%fine grained 10%medium 325 <br /> t 34 1 <br /> grained 20%fines very strong odor(continued) <br />' 80 Gray green Sand(SW)to Gray Green silt(ML) 80 <br /> transition both have odor,both wet <br /> Silty Clay(CL) gray-green stiff <5%sand 95% 19 <br />' 23 fines wet non-low plasticity very odorous <br /> (gasoline odor) 21 252 <br /> BENTONITE <br /> SEAL <br /> a5 No 3 SAND _ 85 <br /> 2 INCH SCH Silty Sand(SM)with brown clay sand is 1e <br /> 40 PVC 0 020 gray-green wet 70%fine grained 10%medium 21 <br /> MACHINE grained 20%fines very strong odor 20 201 <br /> SLOTTED <br /> CASING <br /> 90 FLUSH — 15 90 <br /> THREADED16 <br /> 80TTOM <br /> CAP Bottom of borehole at 91 feet 24 24 <br /> i <br /> 0 <br /> d <br /> U <br /> a <br /> z <br /> w <br /> a <br /> c2 <br /> N <br /> J <br /> 4 <br /> U <br /> O <br /> z <br /> Z <br /> a <br /> 0 <br /> i m <br /> J <br /> N <br /> 0 <br /> O <br /> V <br /> to <br /> Z <br /> O <br /> U <br /> J <br /> J <br /> i <br />