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GRAPHIC BORING LOG PAGE I OF <br /> CLIENT Unocal PROJECT NO 1232 DRILL HOLE MW-8D <br /> i <br /> TE LOCATION 5606 Pacific Avenue Stockton California <br /> ILLING CO West Hazinat TYPE OF RIG CME-85 <br /> ILLING METHOD/EQUIPMENT _Hollow Stem Auger.. HOLE DIAMETER 10" <br />' DRIVE WEIGHT/HEIGHT OF DROP 140 30" REFERENCE OR DATUM Surface <br /> START DATE 9/20/01 COMPLETION DATE 9/20/01 <br /> a a- P+- DESCRIPTION <br /> z � w rn <br />' H tp EfJ =d O 4a H s til J-i r <br /> EF-. r 4 H ~ } ' w ' Iii Folt6wing Order LITHOLOOY,coltir,grain size,3ortin5 impiai`.tty, <br /> ri w tow � N L) 0� "�+ H fossils, ans}stency, ruet,iess <br /> LIJ Z w iK!741 ¢ M O .!W I F S sy( Z <br /> 43—1 sn0 � CAS, I <br /> 0 <br /> ML 0-4" Asphalt <br /> 5 21/29 8 40 00 4-5 5' SANDY SILT, rust, very fine sand, moist, no odor <br />' /31 <br /> 80 <br /> SM <br /> 10 18121 8 45 00 9-10 5' SILTY SAND, rust, fine sand, moist, no odor <br /> /25 <br /> ML 120 <br /> 15 20125 8 50 00 14-15 5' SLIGHTLY SANDY SILT, rust, very fine sand, moist, <br /> /29 no odor <br />' 20 23127 8 55 0 0 19-20 5 SLIGHTLY SANDY SILT, rust, very fine sand, moist, <br /> no odor <br />' 25 24/29 goo 00 24-25 5' SLIGHTLY CLAYEY SILT, rust, moist, no odor <br /> 132 <br /> 30 24/28 9 05 00 29-30 5' SLIGHTLY CLAYEY SILT, rust, moist, no odor <br /> 136 <br /> i 35 21129 9 10 27 34-35 5' SANDY SILT, brown, fine sand, very moist, no odor <br /> � i/35 <br /> n Continued Next Page <br /> NOTES <br /> NR=No Recovery <br /> ENVIRONMENTAL AUDIT, INC NOTE This Boring Log Represents Conditions Only at Time and Location <br /> Indicated Subsurface Conditions May Differ at Other Locations and <br /> Times <br /> LOGGED BY BHM DATE 09/20/01 APPROVED BY BHM RG # 5649 <br />